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Revert "【New Feature】W4afp8 supports per group quantization (#4272)" (#4854)

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This reverts commit 93fcf7e4ec.
This commit is contained in:
YuBaoku
2025-11-06 17:48:28 +08:00
committed by GitHub
parent 3478d20262
commit 819b2dbbae
26 changed files with 1718 additions and 4378 deletions
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1
custom_ops/gpu_ops/cpp_extensions.cc
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@@ -304,7 +304,6 @@ paddle::Tensor MoeExpertFFNFunc(
const paddle::Tensor& tokens_expert_prefix_sum, const paddle::Tensor& tokens_expert_prefix_sum,
const paddle::Tensor& up_gate_proj_weight, const paddle::Tensor& up_gate_proj_weight,
const paddle::Tensor& down_proj_weight, const paddle::Tensor& down_proj_weight,
const paddle::optional<paddle::Tensor>& up_proj_in_scale,
const paddle::optional<paddle::Tensor>& up_gate_proj_bias, const paddle::optional<paddle::Tensor>& up_gate_proj_bias,
const paddle::optional<paddle::Tensor>& up_gate_proj_scale, const paddle::optional<paddle::Tensor>& up_gate_proj_scale,
const paddle::optional<paddle::Tensor>& down_proj_scale, const paddle::optional<paddle::Tensor>& down_proj_scale,

37
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel.h
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@@ -1,37 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <string>
#include <vector>
#include "helper.h"
template <typename T, typename OutT>
void MoeFastHardamardWrapper(const T *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const T *shift,
const T *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
OutT *out,
cudaStream_t &stream);

1722
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel.hpp
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File diff suppressed because it is too large Load Diff

34
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel_bf16_bf16.cu
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@@ -1,34 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fast_hardamard_kernel.hpp"
template void
MoeFastHardamardWrapper<phi::dtype::bfloat16, phi::dtype::bfloat16>(
const phi::dtype::bfloat16 *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const phi::dtype::bfloat16 *shift,
const phi::dtype::bfloat16 *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
phi::dtype::bfloat16 *out,
cudaStream_t &stream);

34
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel_bf16_fp8.cu
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@@ -1,34 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fast_hardamard_kernel.hpp"
template void
MoeFastHardamardWrapper<phi::dtype::bfloat16, phi::dtype::float8_e4m3fn>(
const phi::dtype::bfloat16 *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const phi::dtype::bfloat16 *shift,
const phi::dtype::bfloat16 *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
phi::dtype::float8_e4m3fn *out,
cudaStream_t &stream);

33
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel_bf16_int8.cu
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@@ -1,33 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fast_hardamard_kernel.hpp"
template void MoeFastHardamardWrapper<phi::dtype::bfloat16, int8_t>(
const phi::dtype::bfloat16 *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const phi::dtype::bfloat16 *shift,
const phi::dtype::bfloat16 *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
int8_t *out,
cudaStream_t &stream);

33
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel_fp16_fp16.cu
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@@ -1,33 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fast_hardamard_kernel.hpp"
template void MoeFastHardamardWrapper<phi::dtype::float16, phi::dtype::float16>(
const phi::dtype::float16 *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const phi::dtype::float16 *shift,
const phi::dtype::float16 *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
phi::dtype::float16 *out,
cudaStream_t &stream);

33
custom_ops/gpu_ops/moe/fast_hardmard/fast_hardamard_kernel_fp16_int8.cu
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@@ -1,33 +0,0 @@
// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "fast_hardamard_kernel.hpp"
template void MoeFastHardamardWrapper<phi::dtype::float16, int8_t>(
const phi::dtype::float16 *x_data,
const int64_t *expert_idx_per_token,
const int64_t *recv_expert_count,
const phi::dtype::float16 *shift,
const phi::dtype::float16 *smooth,
const float *quant_scales,
const int quant_round_type,
const float quant_max_bound,
const float quant_min_bound,
const int64_t token_num,
const int64_t dim,
const int num_max_tokens_per_expert,
bool used_in_ep_low_latency,
const int hadamard_block_size,
int8_t *out,
cudaStream_t &stream);

272
custom_ops/gpu_ops/moe/fused_moe_helper.h
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@@ -25,8 +25,7 @@ template <typename T, int VecSize>
__global__ void moe_token_type_ids_kernel(T *gating_output, __global__ void moe_token_type_ids_kernel(T *gating_output,
const int *moe_token_type_ids_out, const int *moe_token_type_ids_out,
const int num_rows, const int num_rows,
const int num_experts, const int num_experts, const int k) {
const int k) {
const int moe_token_index = blockIdx.x * blockDim.x + threadIdx.x; const int moe_token_index = blockIdx.x * blockDim.x + threadIdx.x;
if (moe_token_index >= num_rows) { if (moe_token_index >= num_rows) {
@@ -45,8 +44,7 @@ template <typename T>
void moe_token_type_ids_kernelLauncher(T *gating_output, void moe_token_type_ids_kernelLauncher(T *gating_output,
const int *moe_token_type_ids_out, const int *moe_token_type_ids_out,
const int num_rows, const int num_rows,
const int num_experts, const int num_experts, const int k,
const int k,
cudaStream_t stream) { cudaStream_t stream) {
const int blocks = num_rows * k / 512 + 1; const int blocks = num_rows * k / 512 + 1;
const int threads = 512; const int threads = 512;
@@ -54,35 +52,26 @@ void moe_token_type_ids_kernelLauncher(T *gating_output,
gating_output, moe_token_type_ids_out, num_rows, num_experts, k); gating_output, moe_token_type_ids_out, num_rows, num_experts, k);
} }
template <typename T, typename NvType> template <typename T, typename NvType> class MoeHelper {
class MoeHelper { public:
public: using Fp16Traits = cutlass::WintQuantTraits<NvType, cutlass::WintQuantMethod::kNone>;
using Fp16Traits = using Int8Traits = cutlass::WintQuantTraits<NvType, cutlass::WintQuantMethod::kWeightOnlyInt8>;
cutlass::WintQuantTraits<NvType, cutlass::WintQuantMethod::kNone>; using Int4Traits = cutlass::WintQuantTraits<NvType, cutlass::WintQuantMethod::kWeightOnlyInt4>;
using Int8Traits =
cutlass::WintQuantTraits<NvType,
cutlass::WintQuantMethod::kWeightOnlyInt8>;
using Int4Traits =
cutlass::WintQuantTraits<NvType,
cutlass::WintQuantMethod::kWeightOnlyInt4>;
MoeHelper(const std::string gemm_method, MoeHelper(
MoeGemmRunner<NvType, Fp16Traits> *fp16_moe_gemm_runner, const std::string gemm_method,
MoeGemmRunner<NvType, Int8Traits> *int8_moe_gemm_runner, MoeGemmRunner<NvType, Fp16Traits> *fp16_moe_gemm_runner,
MoeGemmRunner<NvType, Int4Traits> *int4_moe_gemm_runner, MoeGemmRunner<NvType, Int8Traits> *int8_moe_gemm_runner,
int layernum = 0) MoeGemmRunner<NvType, Int4Traits> *int4_moe_gemm_runner,
: gemm_method_(gemm_method), int layernum = 0)
fp16_moe_gemm_runner_(fp16_moe_gemm_runner), : gemm_method_(gemm_method), fp16_moe_gemm_runner_(fp16_moe_gemm_runner),
int8_moe_gemm_runner_(int8_moe_gemm_runner), int8_moe_gemm_runner_(int8_moe_gemm_runner),
int4_moe_gemm_runner_(int4_moe_gemm_runner), int4_moe_gemm_runner_(int4_moe_gemm_runner), layernum_(layernum) {}
layernum_(layernum) {}
// -------- getWorkspaceSize -------- // // -------- getWorkspaceSize -------- //
template <typename KeyT> template <typename KeyT>
size_t getWorkspaceSize(const int64_t num_rows, size_t getWorkspaceSize(const int64_t num_rows, const int64_t hidden_size,
const int64_t hidden_size, const int64_t inter_size, const int64_t num_experts,
const int64_t inter_size,
const int64_t num_experts,
const int64_t k) { const int64_t k) {
const size_t buf_size = AlignTo16(k * num_rows * hidden_size); const size_t buf_size = AlignTo16(k * num_rows * hidden_size);
const size_t interbuf_size = AlignTo16(k * num_rows * inter_size); const size_t interbuf_size = AlignTo16(k * num_rows * inter_size);
@@ -93,10 +82,10 @@ class MoeHelper {
// FfnLayer forward. // FfnLayer forward.
size_t total_ws_bytes = size_t total_ws_bytes =
5 * num_moe_inputs * 5 * num_moe_inputs *
sizeof(int); // source_rows_, permuted_rows_, permuted_experts_ sizeof(int); // source_rows_, permuted_rows_, permuted_experts_
total_ws_bytes += buf_size * sizeof(KeyT); // permuted_data total_ws_bytes += buf_size * sizeof(KeyT); // permuted_data
total_ws_bytes += total_ws_bytes +=
padded_experts * sizeof(int64_t); // Hold total_rows_before_expert_ padded_experts * sizeof(int64_t); // Hold total_rows_before_expert_
const size_t bytes_for_fc1_result = interbuf_size * sizeof(KeyT); const size_t bytes_for_fc1_result = interbuf_size * sizeof(KeyT);
const size_t sorter_ws_size_bytes = const size_t sorter_ws_size_bytes =
@@ -111,8 +100,8 @@ class MoeHelper {
} }
total_ws_bytes += total_ws_bytes +=
bytes_for_intermediate_and_sorting; // intermediate (fc1) output + cub bytes_for_intermediate_and_sorting; // intermediate (fc1) output + cub
// sorting workspace // sorting workspace
int64_t num_softmax_outs = 0; int64_t num_softmax_outs = 0;
const bool is_pow_2 = const bool is_pow_2 =
@@ -126,27 +115,20 @@ class MoeHelper {
return total_ws_bytes; return total_ws_bytes;
} }
void ComputeFFN(const paddle::Tensor *input, void
const paddle::Tensor *gate_weight, ComputeFFN(const paddle::Tensor *input, const paddle::Tensor *gate_weight,
const paddle::Tensor *up_gate_proj_weight, const paddle::Tensor *up_gate_proj_weight,
const paddle::Tensor *up_gate_proj_scale, const paddle::Tensor *up_gate_proj_scale, const paddle::Tensor *up_gate_proj_bias,
const paddle::Tensor *up_gate_proj_bias, const paddle::Tensor *down_proj_weight,
const paddle::Tensor *down_proj_weight, const paddle::Tensor *down_proj_scale, const paddle::Tensor *down_proj_bias,
const paddle::Tensor *down_proj_scale, const paddle::Tensor *moe_token_type_ids, const int moe_topk,
const paddle::Tensor *down_proj_bias, const bool group_moe, const bool norm_topk_prob,
const paddle::Tensor *moe_token_type_ids, const float routed_scaling_factor, const std::string moe_type,
const int moe_topk, paddle::Tensor *output) {
const bool group_moe,
const bool norm_topk_prob,
const float routed_scaling_factor,
const std::string moe_type,
paddle::Tensor *output) {
auto *input_activations = input->data<T>(); auto *input_activations = input->data<T>();
auto *gating_weights = gate_weight->data<float>(); auto *gating_weights = gate_weight->data<float>();
const T *fc1_expert_biases = const T *fc1_expert_biases = up_gate_proj_bias ? up_gate_proj_bias->data<T>() : nullptr;
up_gate_proj_bias ? up_gate_proj_bias->data<T>() : nullptr; const T *fc2_expert_biases = down_proj_bias ? down_proj_bias->data<T>() : nullptr;
const T *fc2_expert_biases =
down_proj_bias ? down_proj_bias->data<T>() : nullptr;
auto *output_ = output->data<T>(); auto *output_ = output->data<T>();
auto stream = input->stream(); auto stream = input->stream();
@@ -166,8 +148,7 @@ class MoeHelper {
const int64_t hidden_size = up_gate_proj_dims[1]; const int64_t hidden_size = up_gate_proj_dims[1];
int64_t inter_dim = 0; int64_t inter_dim = 0;
if (moe_type == "qkv") { if (moe_type == "qkv") {
inter_dim = inter_dim = up_gate_proj_dims[2] * up_gate_proj_dims[3] * up_gate_proj_dims[4];
up_gate_proj_dims[2] * up_gate_proj_dims[3] * up_gate_proj_dims[4];
} else { } else {
inter_dim = up_gate_proj_dims[2]; inter_dim = up_gate_proj_dims[2];
} }
@@ -251,79 +232,44 @@ class MoeHelper {
if (moe_token_type_ids) { if (moe_token_type_ids) {
auto *moe_token_type_ids_out = moe_token_type_ids->data<int>(); auto *moe_token_type_ids_out = moe_token_type_ids->data<int>();
moe_token_type_ids_kernelLauncher<float>(gating_output, moe_token_type_ids_kernelLauncher<float>(gating_output,
moe_token_type_ids_out, moe_token_type_ids_out, num_rows,
num_rows, num_experts, k, stream);
num_experts,
k,
stream);
} }
topk_gating_softmax_kernelLauncher<float, int>(gating_output, topk_gating_softmax_kernelLauncher<float, int>(
nullptr, gating_output, nullptr, expert_scales_float, softmax_out_,
expert_scales_float, expert_for_source_row, source_rows_, softmax_max_prob, num_rows,
softmax_out_, num_experts, k, group_moe, stream);
expert_for_source_row,
source_rows_,
softmax_max_prob,
num_rows,
num_experts,
k,
group_moe,
stream);
const int64_t sorter_ws_size_bytes = const int64_t sorter_ws_size_bytes =
AlignTo16(sorter_.getWorkspaceSize(int64_t(k * num_rows))); AlignTo16(sorter_.getWorkspaceSize(int64_t(k * num_rows)));
sorter_.run(fc1_result_, sorter_.run(fc1_result_, sorter_ws_size_bytes, expert_for_source_row,
sorter_ws_size_bytes, permuted_experts_, source_rows_, permuted_rows_, k * num_rows,
expert_for_source_row, false, stream);
permuted_experts_,
source_rows_,
permuted_rows_,
k * num_rows,
false,
stream);
initialize_moe_routing_kernelLauncher( initialize_moe_routing_kernelLauncher(
input_activations, input_activations, permuted_data_, permuted_rows_, nullptr, nullptr,
permuted_data_, expanded_source_row_to_expanded_dest_row, num_rows, num_rows,
permuted_rows_, hidden_size, k, stream);
nullptr,
nullptr,
expanded_source_row_to_expanded_dest_row,
nullptr,
num_rows,
num_rows,
hidden_size,
k,
stream);
const int64_t expanded_active_expert_rows = k * num_rows; const int64_t expanded_active_expert_rows = k * num_rows;
compute_total_rows_before_expert(permuted_experts_, compute_total_rows_before_expert(permuted_experts_,
expanded_active_expert_rows, expanded_active_expert_rows, num_experts,
num_experts, total_rows_before_expert_, stream);
total_rows_before_expert_,
stream);
if (gemm_method_ == "weight_only_int8") { if (gemm_method_ == "weight_only_int8") {
typename Int8Traits::Arguments up_gate_proj_quant_args; typename Int8Traits::Arguments up_gate_proj_quant_args;
int8_moe_gemm_runner_->moe_gemm_bias_act( int8_moe_gemm_runner_->moe_gemm_bias_act(
reinterpret_cast<NvType *>(permuted_data_), reinterpret_cast<NvType *>(permuted_data_),
reinterpret_cast<const uint8_t *>( reinterpret_cast<const uint8_t *>(up_gate_proj_weight->data<int8_t>()),
up_gate_proj_weight->data<int8_t>()),
reinterpret_cast<const NvType *>(up_gate_proj_scale->data<T>()), reinterpret_cast<const NvType *>(up_gate_proj_scale->data<T>()),
reinterpret_cast<const NvType *>(fc1_expert_biases), reinterpret_cast<const NvType *>(fc1_expert_biases),
reinterpret_cast<NvType *>(fc1_out), reinterpret_cast<NvType *>(fc1_out), total_rows_before_expert_,
total_rows_before_expert_, -1, // useless
-1, // useless expanded_active_expert_rows, inter_size, hidden_size, num_experts,
expanded_active_expert_rows, up_gate_proj_quant_args, "none", stream);
inter_size,
hidden_size,
num_experts,
up_gate_proj_quant_args,
"none",
stream);
} else if (gemm_method_ == "weight_only_int4") { } else if (gemm_method_ == "weight_only_int4") {
typename Int4Traits::Arguments up_gate_proj_quant_args; typename Int4Traits::Arguments up_gate_proj_quant_args;
int4_moe_gemm_runner_->moe_gemm_bias_act( int4_moe_gemm_runner_->moe_gemm_bias_act(
@@ -332,33 +278,20 @@ class MoeHelper {
up_gate_proj_weight->data<int8_t>()), up_gate_proj_weight->data<int8_t>()),
reinterpret_cast<const NvType *>(up_gate_proj_scale->data<T>()), reinterpret_cast<const NvType *>(up_gate_proj_scale->data<T>()),
reinterpret_cast<const NvType *>(fc1_expert_biases), reinterpret_cast<const NvType *>(fc1_expert_biases),
reinterpret_cast<NvType *>(fc1_out), reinterpret_cast<NvType *>(fc1_out), total_rows_before_expert_,
total_rows_before_expert_, -1, // useless
-1, // useless expanded_active_expert_rows, inter_size, hidden_size, num_experts,
expanded_active_expert_rows, up_gate_proj_quant_args, "none", stream);
inter_size,
hidden_size,
num_experts,
up_gate_proj_quant_args,
"none",
stream);
} else { } else {
typename Fp16Traits::Arguments up_gate_proj_quant_args; typename Fp16Traits::Arguments up_gate_proj_quant_args;
fp16_moe_gemm_runner_->moe_gemm_bias_act( fp16_moe_gemm_runner_->moe_gemm_bias_act(
reinterpret_cast<NvType *>(permuted_data_), reinterpret_cast<NvType *>(permuted_data_),
reinterpret_cast<const NvType *>(up_gate_proj_weight->data<T>()), reinterpret_cast<const NvType *>(up_gate_proj_weight->data<T>()), nullptr,
nullptr,
reinterpret_cast<const NvType *>(fc1_expert_biases), reinterpret_cast<const NvType *>(fc1_expert_biases),
reinterpret_cast<NvType *>(fc1_out), reinterpret_cast<NvType *>(fc1_out), total_rows_before_expert_,
total_rows_before_expert_, -1, // useless
-1, // useless expanded_active_expert_rows, inter_size, hidden_size, num_experts,
expanded_active_expert_rows, up_gate_proj_quant_args, "none", stream);
inter_size,
hidden_size,
num_experts,
up_gate_proj_quant_args,
"none",
stream);
} }
if (moe_type == "ffn") { if (moe_type == "ffn") {
@@ -376,15 +309,10 @@ class MoeHelper {
reinterpret_cast<NvType *>(act_out), reinterpret_cast<NvType *>(act_out),
reinterpret_cast<const uint8_t *>(down_proj_weight->data<int8_t>()), reinterpret_cast<const uint8_t *>(down_proj_weight->data<int8_t>()),
reinterpret_cast<const NvType *>(down_proj_scale->data<T>()), reinterpret_cast<const NvType *>(down_proj_scale->data<T>()),
reinterpret_cast<NvType *>(fc2_result), reinterpret_cast<NvType *>(fc2_result), total_rows_before_expert_,
total_rows_before_expert_, -1, // useless
-1, // useless expanded_active_expert_rows, hidden_size, inter_size / 2,
expanded_active_expert_rows, num_experts, down_proj_quant_args, stream);
hidden_size,
inter_size / 2,
num_experts,
down_proj_quant_args,
stream);
} else if (gemm_method_ == "weight_only_int4") { } else if (gemm_method_ == "weight_only_int4") {
typename Int4Traits::Arguments down_proj_quant_args; typename Int4Traits::Arguments down_proj_quant_args;
int4_moe_gemm_runner_->moe_gemm( int4_moe_gemm_runner_->moe_gemm(
@@ -392,66 +320,40 @@ class MoeHelper {
reinterpret_cast<const cutlass::uint4b_t *>( reinterpret_cast<const cutlass::uint4b_t *>(
down_proj_weight->data<int8_t>()), down_proj_weight->data<int8_t>()),
reinterpret_cast<const NvType *>(down_proj_scale->data<T>()), reinterpret_cast<const NvType *>(down_proj_scale->data<T>()),
reinterpret_cast<NvType *>(fc2_result), reinterpret_cast<NvType *>(fc2_result), total_rows_before_expert_,
total_rows_before_expert_, -1, // useless
-1, // useless expanded_active_expert_rows, hidden_size, inter_size / 2,
expanded_active_expert_rows, num_experts, down_proj_quant_args, stream);
hidden_size,
inter_size / 2,
num_experts,
down_proj_quant_args,
stream);
} else { } else {
typename Fp16Traits::Arguments down_proj_quant_args; typename Fp16Traits::Arguments down_proj_quant_args;
fp16_moe_gemm_runner_->moe_gemm( fp16_moe_gemm_runner_->moe_gemm(
reinterpret_cast<NvType *>(act_out), reinterpret_cast<NvType *>(act_out),
reinterpret_cast<const NvType *>(down_proj_weight->data<T>()), reinterpret_cast<const NvType *>(down_proj_weight->data<T>()), nullptr,
nullptr, reinterpret_cast<NvType *>(fc2_result), total_rows_before_expert_,
reinterpret_cast<NvType *>(fc2_result), -1, // useless
total_rows_before_expert_, expanded_active_expert_rows, hidden_size, inter_size / 2,
-1, // useless num_experts, down_proj_quant_args, stream);
expanded_active_expert_rows,
hidden_size,
inter_size / 2,
num_experts,
down_proj_quant_args,
stream);
} }
finalize_moe_routing_kernelLauncher( finalize_moe_routing_kernelLauncher(
fc2_result, fc2_result, output_, fc2_expert_biases,
output_,
fc2_expert_biases,
reinterpret_cast<float *>(expert_scales_float), reinterpret_cast<float *>(expert_scales_float),
expanded_source_row_to_expanded_dest_row, expanded_source_row_to_expanded_dest_row, expert_for_source_row,
expert_for_source_row, num_rows, hidden_size, k, static_cast<int>(1), norm_topk_prob,
num_rows, routed_scaling_factor, stream);
hidden_size,
k,
static_cast<int>(1),
norm_topk_prob,
routed_scaling_factor,
stream);
} else { } else {
finalize_moe_routing_kernelLauncher( finalize_moe_routing_kernelLauncher(
// fc2_result, // fc2_result,
fc1_out, fc1_out, output_,
output_, fc1_expert_biases, // fc2_expert_biases,
fc1_expert_biases, // fc2_expert_biases,
reinterpret_cast<float *>(expert_scales_float), reinterpret_cast<float *>(expert_scales_float),
expanded_source_row_to_expanded_dest_row, expanded_source_row_to_expanded_dest_row, expert_for_source_row,
expert_for_source_row, num_rows, inter_size, k, static_cast<int>(0), norm_topk_prob,
num_rows, routed_scaling_factor, stream);
inter_size,
k,
static_cast<int>(0),
norm_topk_prob,
routed_scaling_factor,
stream);
} }
} }
private: private:
std::string gemm_method_; std::string gemm_method_;
MoeGemmRunner<NvType, Fp16Traits> *fp16_moe_gemm_runner_; MoeGemmRunner<NvType, Fp16Traits> *fp16_moe_gemm_runner_;
MoeGemmRunner<NvType, Int8Traits> *int8_moe_gemm_runner_; MoeGemmRunner<NvType, Int8Traits> *int8_moe_gemm_runner_;
@@ -460,4 +362,4 @@ class MoeHelper {
CubKeyValueSorter sorter_; CubKeyValueSorter sorter_;
}; };
} // namespace phi } // namespace phi

828
custom_ops/gpu_ops/moe/fused_moe_op.h
View File

File diff suppressed because it is too large Load Diff

283
custom_ops/gpu_ops/moe/moe_dispatch.cu
View File

@@ -26,26 +26,17 @@
template <paddle::DataType T> template <paddle::DataType T>
void MoeDispatchKernel( void MoeDispatchKernel(
const paddle::Tensor &input, const paddle::Tensor &input, const paddle::Tensor &gating_output,
const paddle::Tensor &gating_output,
const paddle::optional<paddle::Tensor> &gating_correction_bias, const paddle::optional<paddle::Tensor> &gating_correction_bias,
const paddle::optional<paddle::Tensor> &w4a8_in_scale, const paddle::optional<paddle::Tensor> &w4a8_in_scale, const int moe_topk,
const int moe_topk, const bool group_moe, const bool topk_only_mode, const int num_rows,
const bool group_moe, const int hidden_size, const int expert_num, paddle::Tensor *permute_input,
const bool topk_only_mode,
const int num_rows,
const int hidden_size,
const int expert_num,
paddle::Tensor *permute_input,
paddle::Tensor *tokens_expert_prefix_sum, paddle::Tensor *tokens_expert_prefix_sum,
paddle::Tensor *permute_indices_per_token, paddle::Tensor *permute_indices_per_token, paddle::Tensor *topk_weight,
paddle::Tensor *topk_weight, paddle::Tensor *topk_idx, paddle::Tensor *expert_idx_per_token) {
paddle::Tensor *topk_idx,
paddle::Tensor *expert_idx_per_token,
paddle::Tensor *dequant_scale) {
using namespace phi; using namespace phi;
if (num_rows == 0) { if (num_rows == 0){
return; return;
} }
typedef PDTraits<T> traits_; typedef PDTraits<T> traits_;
@@ -57,14 +48,12 @@ void MoeDispatchKernel(
if (group_moe) { if (group_moe) {
// Check if expert_num is divisible by moe_topk, else throw an error // Check if expert_num is divisible by moe_topk, else throw an error
PADDLE_ENFORCE_EQ(expert_num % moe_topk, PADDLE_ENFORCE_EQ(expert_num % moe_topk, 0,
0,
common::errors::InvalidArgument( common::errors::InvalidArgument(
"The number of experts (expert_num) " "The number of experts (expert_num) "
"must be divisible by moe_topk. " "must be divisible by moe_topk. "
"Got expert_num = %d and moe_topk = %d.", "Got expert_num = %d and moe_topk = %d.",
expert_num, expert_num, moe_topk));
moe_topk));
} }
const int num_moe_inputs = AlignTo16(num_rows * moe_topk); const int num_moe_inputs = AlignTo16(num_rows * moe_topk);
@@ -79,8 +68,7 @@ void MoeDispatchKernel(
paddle::Tensor ws_ptr_tensor = paddle::Tensor ws_ptr_tensor =
GetEmptyTensor({bytes + sorter_ws_size_bytes + sort_tmp_in_out_size}, GetEmptyTensor({bytes + sorter_ws_size_bytes + sort_tmp_in_out_size},
paddle::DataType::INT8, paddle::DataType::INT8, place);
place);
int8_t *ws_ptr = ws_ptr_tensor.data<int8_t>(); int8_t *ws_ptr = ws_ptr_tensor.data<int8_t>();
int *source_rows_ = reinterpret_cast<int *>(ws_ptr); int *source_rows_ = reinterpret_cast<int *>(ws_ptr);
@@ -108,8 +96,8 @@ void MoeDispatchKernel(
paddle::Tensor softmax_buffer; paddle::Tensor softmax_buffer;
if (!is_pow_2 || expert_num > 256 || group_moe || gating_correction_bias) { if (!is_pow_2 || expert_num > 256 || group_moe || gating_correction_bias) {
softmax_buffer = GetEmptyTensor( softmax_buffer = GetEmptyTensor({num_rows * expert_num},
{num_rows * expert_num}, paddle::DataType::FLOAT32, place); paddle::DataType::FLOAT32, place);
softmax_out_ = softmax_buffer.data<float>(); softmax_out_ = softmax_buffer.data<float>();
} else { } else {
softmax_out_ = nullptr; softmax_out_ = nullptr;
@@ -119,106 +107,47 @@ void MoeDispatchKernel(
gating_output.data<float>(), gating_output.data<float>(),
gating_correction_bias ? gating_correction_bias.get().data<float>() gating_correction_bias ? gating_correction_bias.get().data<float>()
: nullptr, : nullptr,
topk_weight->data<float>(), topk_weight->data<float>(), softmax_out_, topk_idx_ptr, source_rows_,
softmax_out_, softmax_max_prob, num_rows, expert_num, moe_topk, group_moe, stream,
topk_idx_ptr,
source_rows_,
softmax_max_prob,
num_rows,
expert_num,
moe_topk,
group_moe,
stream,
topk_only_mode); topk_only_mode);
sorter_.run(reinterpret_cast<void *>(sorter_ws_ptr), sorter_.run(reinterpret_cast<void *>(sorter_ws_ptr), sorter_ws_size_bytes,
sorter_ws_size_bytes, topk_idx_ptr, expert_idx_per_token->data<int32_t>(), source_rows_,
topk_idx_ptr, permuted_rows_, moe_topk * num_rows, false, stream);
expert_idx_per_token->data<int32_t>(),
source_rows_,
permuted_rows_,
moe_topk * num_rows,
false,
stream);
if (w4a8_in_scale) { if (w4a8_in_scale) {
if (permute_input->dtype() == paddle::DataType::INT8) { if (permute_input->dtype() == paddle::DataType::INT8) {
initialize_moe_routing_kernelLauncher( initialize_moe_routing_kernelLauncher(
input.data<data_t>(), input.data<data_t>(), permute_input->data<int8_t>(), permuted_rows_,
permute_input->data<int8_t>(), expert_idx_per_token->data<int32_t>(), w4a8_in_scale->data<float>(),
permuted_rows_, permute_indices_per_token->data<int32_t>(), num_rows, num_rows,
expert_idx_per_token->data<int32_t>(), hidden_size, moe_topk, stream);
w4a8_in_scale->data<float>(),
permute_indices_per_token->data<int32_t>(),
nullptr,
num_rows,
num_rows,
hidden_size,
moe_topk,
stream);
} else if (permute_input->dtype() == paddle::DataType::FLOAT8_E4M3FN) { } else if (permute_input->dtype() == paddle::DataType::FLOAT8_E4M3FN) {
initialize_moe_routing_kernelLauncher( initialize_moe_routing_kernelLauncher(
input.data<data_t>(), input.data<data_t>(), permute_input->data<float8_e4m3fn>(),
permute_input->data<float8_e4m3fn>(), permuted_rows_, expert_idx_per_token->data<int32_t>(),
permuted_rows_, w4a8_in_scale->data<float>(),
expert_idx_per_token->data<int32_t>(), permute_indices_per_token->data<int32_t>(), num_rows, num_rows,
w4a8_in_scale->data<float>(), hidden_size, moe_topk, stream);
permute_indices_per_token->data<int32_t>(),
nullptr,
num_rows,
num_rows,
hidden_size,
moe_topk,
stream);
} }
} else { } else {
if (permute_input->dtype() == paddle::DataType::FLOAT8_E4M3FN) { initialize_moe_routing_kernelLauncher(
initialize_moe_routing_kernelLauncher( input.data<data_t>(), permute_input->data<data_t>(), permuted_rows_,
input.data<data_t>(), expert_idx_per_token->data<int32_t>(), nullptr,
permute_input->data<float8_e4m3fn>(), permute_indices_per_token->data<int32_t>(), num_rows, num_rows,
permuted_rows_, hidden_size, moe_topk, stream);
expert_idx_per_token->data<int32_t>(),
nullptr,
permute_indices_per_token->data<int32_t>(),
dequant_scale->data<float>(),
num_rows,
num_rows,
hidden_size,
moe_topk,
stream);
} else {
initialize_moe_routing_kernelLauncher(
input.data<data_t>(),
permute_input->data<data_t>(),
permuted_rows_,
expert_idx_per_token->data<int32_t>(),
nullptr,
permute_indices_per_token->data<int32_t>(),
nullptr,
num_rows,
num_rows,
hidden_size,
moe_topk,
stream);
}
} }
compute_total_rows_before_expert(expert_idx_per_token->data<int32_t>(), compute_total_rows_before_expert(
moe_topk * num_rows, expert_idx_per_token->data<int32_t>(), moe_topk * num_rows, expert_num,
expert_num, tokens_expert_prefix_sum->data<int64_t>(), stream);
tokens_expert_prefix_sum->data<int64_t>(),
stream);
} }
std::vector<paddle::Tensor> MoeExpertDispatch( std::vector<paddle::Tensor> MoeExpertDispatch(
const paddle::Tensor &input, const paddle::Tensor &input, const paddle::Tensor &gating_output,
const paddle::Tensor &gating_output,
const paddle::optional<paddle::Tensor> &gating_correction_bias, const paddle::optional<paddle::Tensor> &gating_correction_bias,
const paddle::optional<paddle::Tensor> &w4a8_in_scale, const paddle::optional<paddle::Tensor> &w4a8_in_scale, const int moe_topk,
const int moe_topk, const bool group_moe, const std::string &moe_quant_type, const bool topk_only_mode) {
const bool group_moe,
const std::string &moe_quant_type,
const bool topk_only_mode) {
const auto input_type = input.dtype(); const auto input_type = input.dtype();
auto place = input.place(); auto place = input.place();
int token_rows = 0; int token_rows = 0;
@@ -241,21 +170,10 @@ std::vector<paddle::Tensor> MoeExpertDispatch(
} else if (moe_quant_type == "w4afp8") { } else if (moe_quant_type == "w4afp8") {
permute_input_dtype = paddle::DataType::FLOAT8_E4M3FN; permute_input_dtype = paddle::DataType::FLOAT8_E4M3FN;
} }
} else {
if (moe_quant_type == "w4afp8") {
permute_input_dtype = paddle::DataType::FLOAT8_E4M3FN;
}
} }
auto permute_input = GetEmptyTensor( auto permute_input = GetEmptyTensor({moe_topk * num_rows, hidden_size},
{moe_topk * num_rows, hidden_size}, permute_input_dtype, place); permute_input_dtype, place);
int dequant_scale_size = 1;
if (moe_quant_type == "w4afp8" && !w4a8_in_scale) {
dequant_scale_size = moe_topk * num_rows;
}
auto dequant_scale =
GetEmptyTensor({dequant_scale_size}, paddle::DataType::FLOAT32, place);
// correspond to the weighted coefficients of the results from each expert. // correspond to the weighted coefficients of the results from each expert.
auto topk_weight = auto topk_weight =
GetEmptyTensor({num_rows, moe_topk}, paddle::DataType::FLOAT32, place); GetEmptyTensor({num_rows, moe_topk}, paddle::DataType::FLOAT32, place);
@@ -270,65 +188,39 @@ std::vector<paddle::Tensor> MoeExpertDispatch(
auto expert_idx_per_token = auto expert_idx_per_token =
GetEmptyTensor({num_rows * moe_topk}, paddle::DataType::INT32, place); GetEmptyTensor({num_rows * moe_topk}, paddle::DataType::INT32, place);
if (token_rows == 0) { if (token_rows == 0){
return {permute_input, return {permute_input,
tokens_expert_prefix_sum, tokens_expert_prefix_sum,
permute_indices_per_token, permute_indices_per_token,
topk_weight, topk_weight,
topk_idx, topk_idx,
expert_idx_per_token, expert_idx_per_token};
dequant_scale};
} }
switch (input_type) { switch (input_type) {
case paddle::DataType::BFLOAT16: case paddle::DataType::BFLOAT16:
MoeDispatchKernel<paddle::DataType::BFLOAT16>(input, MoeDispatchKernel<paddle::DataType::BFLOAT16>(
gating_output, input, gating_output, gating_correction_bias, w4a8_in_scale, moe_topk,
gating_correction_bias, group_moe, topk_only_mode, num_rows, hidden_size, expert_num,
w4a8_in_scale, &permute_input, &tokens_expert_prefix_sum, &permute_indices_per_token,
moe_topk, &topk_weight, &topk_idx, &expert_idx_per_token);
group_moe, break;
topk_only_mode, case paddle::DataType::FLOAT16:
num_rows, MoeDispatchKernel<paddle::DataType::FLOAT16>(
hidden_size, input, gating_output, gating_correction_bias, w4a8_in_scale, moe_topk,
expert_num, group_moe, topk_only_mode, num_rows, hidden_size, expert_num,
&permute_input, &permute_input, &tokens_expert_prefix_sum, &permute_indices_per_token,
&tokens_expert_prefix_sum, &topk_weight, &topk_idx, &expert_idx_per_token);
&permute_indices_per_token, break;
&topk_weight, default:
&topk_idx, PD_THROW("Unsupported data type for MoeDispatchKernel");
&expert_idx_per_token,
&dequant_scale);
break;
case paddle::DataType::FLOAT16:
MoeDispatchKernel<paddle::DataType::FLOAT16>(input,
gating_output,
gating_correction_bias,
w4a8_in_scale,
moe_topk,
group_moe,
topk_only_mode,
num_rows,
hidden_size,
expert_num,
&permute_input,
&tokens_expert_prefix_sum,
&permute_indices_per_token,
&topk_weight,
&topk_idx,
&expert_idx_per_token,
&dequant_scale);
break;
default:
PD_THROW("Unsupported data type for MoeDispatchKernel");
} }
return {permute_input, return {permute_input,
tokens_expert_prefix_sum, tokens_expert_prefix_sum,
permute_indices_per_token, permute_indices_per_token,
topk_weight, topk_weight,
topk_idx, topk_idx,
expert_idx_per_token, expert_idx_per_token};
dequant_scale};
} }
std::vector<std::vector<int64_t>> MoeExpertDispatchInferShape( std::vector<std::vector<int64_t>> MoeExpertDispatchInferShape(
@@ -353,22 +245,16 @@ std::vector<std::vector<int64_t>> MoeExpertDispatchInferShape(
{moe_topk, num_rows}, {moe_topk, num_rows},
{num_rows, moe_topk}, {num_rows, moe_topk},
{num_rows, moe_topk}, {num_rows, moe_topk},
{permuted_rows}, {permuted_rows}};
{num_rows}};
} }
std::vector<paddle::DataType> MoeExpertDispatchInferDtype( std::vector<paddle::DataType>
const paddle::DataType &input_dtype, MoeExpertDispatchInferDtype(const paddle::DataType &input_dtype,
const paddle::DataType &gating_output_dtype, const paddle::DataType &gating_output_dtype,
const paddle::optional<paddle::DataType> &bias_type, const paddle::optional<paddle::DataType> &bias_type,
const int moe_topk) { const int moe_topk) {
return {input_dtype, return {input_dtype, paddle::DataType::INT64, paddle::DataType::INT32,
paddle::DataType::INT64, paddle::DataType::FLOAT32, paddle::DataType::INT32, paddle::DataType::INT32};
paddle::DataType::INT32,
paddle::DataType::FLOAT32,
paddle::DataType::INT32,
paddle::DataType::INT32,
paddle::DataType::FLOAT32};
} }
/** /**
@@ -376,8 +262,7 @@ std::vector<paddle::DataType> MoeExpertDispatchInferDtype(
* *
* This operator performs the following key functions: * This operator performs the following key functions:
* 1. Computes top-k experts for each input token based on gating scores * 1. Computes top-k experts for each input token based on gating scores
* 2. Permutes input tokens according to their selected experts for efficient * 2. Permutes input tokens according to their selected experts for efficient expert processing
* expert processing
* 3. Computes prefix sums of tokens per expert for group_gemm optimization * 3. Computes prefix sums of tokens per expert for group_gemm optimization
* *
* Inputs: * Inputs:
@@ -387,17 +272,18 @@ std::vector<paddle::DataType> MoeExpertDispatchInferDtype(
* - gating_output: Gating network output scores for each token-expert pair * - gating_output: Gating network output scores for each token-expert pair
* Shape: [total_tokens, expert_num] * Shape: [total_tokens, expert_num]
* dtype: must be float32 * dtype: must be float32
* - gating_correction_bias: Optional bias term for gating correction * - gating_correction_bias: Optional bias term for gating correction (expert_num)
* (expert_num)
* *
* Outputs: * Outputs:
* - permute_input: Permuted input tensor organized by expert * - permute_input: Permuted input tensor organized by expert
* Shape: [moe_topk * total_tokens, hidden_size] * Shape: [moe_topk * total_tokens, hidden_size]
* dtype: Same as input * dtype: Same as input
* - tokens_expert_prefix_sum: Prefix sum array of token counts per expert for * - tokens_expert_prefix_sum: Prefix sum array of token counts per expert for group_gemm
* group_gemm Shape: [expert_num] dtype: int64 * Shape: [expert_num]
* - permute_indices_per_token: Indices mapping for reconstructing original * dtype: int64
* order Shape: [moe_topk, total_tokens] dtype: int32 * - permute_indices_per_token: Indices mapping for reconstructing original order
* Shape: [moe_topk, total_tokens]
* dtype: int32
* - top_k_weight: Weight coefficients for combining expert outputs * - top_k_weight: Weight coefficients for combining expert outputs
* Shape: [total_tokens, moe_topk] * Shape: [total_tokens, moe_topk]
* dtype: float32 * dtype: float32
@@ -406,8 +292,7 @@ std::vector<paddle::DataType> MoeExpertDispatchInferDtype(
* dtype: int32 * dtype: int32
* *
* Attributes: * Attributes:
* - moe_topk: Number of experts to select for each token (k value in top-k * - moe_topk: Number of experts to select for each token (k value in top-k routing)
* routing)
* - group_moe: Whether to perform group softmax within the operator * - group_moe: Whether to perform group softmax within the operator
* (true: softmax is computed within groups of experts, * (true: softmax is computed within groups of experts,
* false: standard softmax across all experts) * false: standard softmax across all experts)
@@ -421,21 +306,13 @@ std::vector<paddle::DataType> MoeExpertDispatchInferDtype(
* - When group_moe is true, expert_num must be divisible by moe_topk * - When group_moe is true, expert_num must be divisible by moe_topk
*/ */
PD_BUILD_STATIC_OP(moe_expert_dispatch) PD_BUILD_STATIC_OP(moe_expert_dispatch)
.Inputs({"input", .Inputs({"input", "gating_output",
"gating_output",
paddle::Optional("gating_correction_bias"), paddle::Optional("gating_correction_bias"),
paddle::Optional("w4a8_in_scale")}) paddle::Optional("w4a8_in_scale")})
.Outputs({"permute_input", .Outputs({"permute_input", "tokens_expert_prefix_sum",
"tokens_expert_prefix_sum", "permute_indices_per_token", "topk_weight", "topk_idx",
"permute_indices_per_token", "expert_idx_per_token"})
"topk_weight", .Attrs({"moe_topk:int", "group_moe:bool", "moe_quant_type:std::string", "topk_only_mode:bool"})
"topk_idx",
"expert_idx_per_token",
"dequant_scale"})
.Attrs({"moe_topk:int",
"group_moe:bool",
"moe_quant_type:std::string",
"topk_only_mode:bool"})
.SetKernelFn(PD_KERNEL(MoeExpertDispatch)) .SetKernelFn(PD_KERNEL(MoeExpertDispatch))
.SetInferShapeFn(PD_INFER_SHAPE(MoeExpertDispatchInferShape)) .SetInferShapeFn(PD_INFER_SHAPE(MoeExpertDispatchInferShape))
.SetInferDtypeFn(PD_INFER_DTYPE(MoeExpertDispatchInferDtype)); .SetInferDtypeFn(PD_INFER_DTYPE(MoeExpertDispatchInferDtype));

1
custom_ops/gpu_ops/moe/moe_expert_ffn_wint2.cu
View File

@@ -17,7 +17,6 @@
#include "cutlass/numeric_conversion.h" #include "cutlass/numeric_conversion.h"
#include "group_swiglu_with_masked.h" #include "group_swiglu_with_masked.h"
#include "helper.h" #include "helper.h"
#include "moe/fast_hardmard/fast_hardamard_kernel.h"
#include "moe/fused_moe_helper.h" #include "moe/fused_moe_helper.h"
template <typename DataT, template <typename DataT,

154
custom_ops/gpu_ops/moe/moe_ffn.cu
View File

@@ -18,8 +18,8 @@
#include "cutlass_kernels/w4a8_moe/w4a8_moe_gemm_kernel.h" #include "cutlass_kernels/w4a8_moe/w4a8_moe_gemm_kernel.h"
#include "group_swiglu_with_masked.h" #include "group_swiglu_with_masked.h"
#include "helper.h" #include "helper.h"
#include "moe/fast_hardmard/fast_hardamard_kernel.h"
#include "moe/fused_moe_helper.h" #include "moe/fused_moe_helper.h"
#include "moe/moe_fast_hardamard_kernel.h"
#include "swigluoai.h" #include "swigluoai.h"
#include "w4afp8_gemm/w4afp8_gemm.h" #include "w4afp8_gemm/w4afp8_gemm.h"
@@ -28,7 +28,6 @@ void MoeFFNKernel(const paddle::Tensor& permute_input,
const paddle::Tensor& tokens_expert_prefix_sum, const paddle::Tensor& tokens_expert_prefix_sum,
const paddle::Tensor& up_gate_proj_weight, const paddle::Tensor& up_gate_proj_weight,
const paddle::Tensor& down_proj_weight, const paddle::Tensor& down_proj_weight,
const paddle::optional<paddle::Tensor>& up_proj_in_scale,
const paddle::optional<paddle::Tensor>& up_gate_proj_bias, const paddle::optional<paddle::Tensor>& up_gate_proj_bias,
const paddle::optional<paddle::Tensor>& up_gate_proj_scale, const paddle::optional<paddle::Tensor>& up_gate_proj_scale,
const paddle::optional<paddle::Tensor>& down_proj_scale, const paddle::optional<paddle::Tensor>& down_proj_scale,
@@ -198,20 +197,31 @@ void MoeFFNKernel(const paddle::Tensor& permute_input,
typedef PDTraits<paddle::DataType::FLOAT8_E4M3FN> traits_fp8; typedef PDTraits<paddle::DataType::FLOAT8_E4M3FN> traits_fp8;
typedef typename traits_fp8::DataType DataType_fp8; typedef typename traits_fp8::DataType DataType_fp8;
typedef typename traits_fp8::data_t data_t_fp8; typedef typename traits_fp8::data_t data_t_fp8;
paddle::Tensor weight_scale_tensor =
*const_cast<paddle::Tensor*>(up_gate_proj_scale.get_ptr()); Allocator::AllocationPtr ffn1_input_row_sum;
const int weight_scale_group_size = weight_scale_tensor.dims().size() == 2 ffn1_input_row_sum =
? hidden_size allocator->Allocate(sizeof(float) * expanded_active_expert_rows);
: weight_scale_tensor.dims()[3];
const float* input_dequant_scale = compute_row_sum(
up_proj_in_scale ? up_proj_in_scale.get().data<float>() : nullptr; permute_input.data<data_t_fp8>(),
expanded_active_expert_rows,
hidden_size,
reinterpret_cast<float*>(ffn1_input_row_sum->ptr()),
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
num_max_tokens_per_expert,
used_in_ep_low_latency,
stream);
float* row_scale = nullptr;
DisPatchW4AFp8GemmWrapper( DisPatchW4AFp8GemmWrapper(
reinterpret_cast<const DataType_fp8*>(permute_input.data<data_t_fp8>()), reinterpret_cast<const DataType_fp8*>(permute_input.data<data_t_fp8>()),
reinterpret_cast<const DataType_fp8*>( reinterpret_cast<const DataType_fp8*>(
up_gate_proj_weight.data<int8_t>()), up_gate_proj_weight.data<int8_t>()),
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()), const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
input_dequant_scale, reinterpret_cast<float*>(ffn1_input_row_sum->ptr()),
weight_scale_tensor.data<float>(), row_scale,
const_cast<paddle::Tensor*>(up_gate_proj_scale.get_ptr())
->data<float>(),
reinterpret_cast<NvType*>(fc1_out), reinterpret_cast<NvType*>(fc1_out),
used_in_ep_low_latency ? num_max_tokens_per_expert : 0, used_in_ep_low_latency ? num_max_tokens_per_expert : 0,
used_in_ep_low_latency ? num_max_tokens_per_expert used_in_ep_low_latency ? num_max_tokens_per_expert
@@ -219,7 +229,6 @@ void MoeFFNKernel(const paddle::Tensor& permute_input,
num_experts, num_experts,
inter_size, inter_size,
hidden_size, hidden_size,
weight_scale_group_size,
stream); stream);
} else { } else {
typename cutlass::WintQuantTraits< typename cutlass::WintQuantTraits<
@@ -346,84 +355,60 @@ void MoeFFNKernel(const paddle::Tensor& permute_input,
} else if (quant_method == "w4afp8") { } else if (quant_method == "w4afp8") {
data_t* ffn2_shift = nullptr; data_t* ffn2_shift = nullptr;
data_t* ffn2_smooth = nullptr; data_t* ffn2_smooth = nullptr;
float* input_dequant_scale = nullptr; float* row_scale = nullptr;
Allocator::AllocationPtr fp8_act_out; Allocator::AllocationPtr fp8_act_out;
fp8_act_out = allocator->Allocate(SizeOf(paddle::DataType::INT8) * fp8_act_out = allocator->Allocate(SizeOf(paddle::DataType::INT8) *
act_out_tensor.numel()); act_out_tensor.numel());
Allocator::AllocationPtr ffn2_input_row_sum;
ffn2_input_row_sum =
allocator->Allocate(sizeof(float) * expanded_active_expert_rows);
if (down_proj_in_scale) { // note(yuanxiaolan): optimize this
MoeFastHardamardWrapper<data_t, data_t_fp8>( MoeFastHardamardWrapper<data_t, data_t>(
act_out_tensor.data<data_t>(), act_out_tensor.data<data_t>(),
expert_idx_per_token ? expert_idx_per_token.get().data<int64_t>() expert_idx_per_token ? expert_idx_per_token.get().data<int64_t>()
: nullptr, : nullptr,
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()), const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
ffn2_shift, ffn2_shift, // ffn2_shift->data<T>(),
ffn2_smooth, ffn2_smooth, // ffn2_smooth->data<T>(),
down_proj_in_scale nullptr,
? const_cast<paddle::Tensor*>(down_proj_in_scale.get_ptr()) 1,
->data<float>() 448.0f,
: nullptr, -448.0f,
1, expanded_active_expert_rows,
448.0f, inter_size / 2,
-448.0f, num_max_tokens_per_expert,
expanded_active_expert_rows, used_in_ep_low_latency,
inter_size / 2, hadamard_block_size,
num_max_tokens_per_expert, act_out_tensor.data<data_t>(),
used_in_ep_low_latency, stream);
hadamard_block_size,
reinterpret_cast<data_t_fp8*>(fp8_act_out->ptr()),
stream);
} else {
Allocator::AllocationPtr ffn2_input_dequant_scale;
ffn2_input_dequant_scale =
allocator->Allocate(sizeof(float) * expanded_active_expert_rows);
input_dequant_scale =
reinterpret_cast<float*>(ffn2_input_dequant_scale->ptr());
MoeFastHardamardWrapper<data_t, data_t>(
act_out_tensor.data<data_t>(),
expert_idx_per_token ? expert_idx_per_token.get().data<int64_t>()
: nullptr,
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
ffn2_shift, // ffn2_shift->data<T>(),
ffn2_smooth, // ffn2_smooth->data<T>(),
nullptr,
1,
448.0f,
-448.0f,
expanded_active_expert_rows,
inter_size / 2,
num_max_tokens_per_expert,
used_in_ep_low_latency,
hadamard_block_size,
act_out_tensor.data<data_t>(),
stream);
quantize_moe_input<data_t, data_t_fp8>( quantize_moe_input<data_t, data_t_fp8>(
act_out_tensor.data<data_t>(), act_out_tensor.data<data_t>(),
expert_idx_per_token ? expert_idx_per_token.get().data<int64_t>() expert_idx_per_token ? expert_idx_per_token.get().data<int64_t>()
: nullptr, : nullptr,
expanded_active_expert_rows, down_proj_in_scale
inter_size / 2, ? const_cast<paddle::Tensor*>(down_proj_in_scale.get_ptr())
input_dequant_scale, ->data<float>()
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()), : nullptr,
num_max_tokens_per_expert, 448.0f,
used_in_ep_low_latency, -448.0f,
reinterpret_cast<data_t_fp8*>(fp8_act_out->ptr()), expanded_active_expert_rows,
stream); inter_size / 2,
} reinterpret_cast<float*>(ffn2_input_row_sum->ptr()),
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
paddle::Tensor weight_scale_tensor = num_max_tokens_per_expert,
*const_cast<paddle::Tensor*>(down_proj_scale.get_ptr()); used_in_ep_low_latency,
const int weight_scale_group_size = weight_scale_tensor.dims().size() == 2 reinterpret_cast<data_t_fp8*>(fp8_act_out->ptr()),
? inter_size / 2 stream);
: weight_scale_tensor.dims()[3];
DisPatchW4AFp8GemmWrapper( DisPatchW4AFp8GemmWrapper(
reinterpret_cast<const DataType_fp8*>(fp8_act_out->ptr()), reinterpret_cast<const DataType_fp8*>(fp8_act_out->ptr()),
reinterpret_cast<const DataType_fp8*>(down_proj_weight.data<int8_t>()), reinterpret_cast<const DataType_fp8*>(down_proj_weight.data<int8_t>()),
const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()), const_cast<int64_t*>(tokens_expert_prefix_sum.data<int64_t>()),
input_dequant_scale, reinterpret_cast<float*>(ffn2_input_row_sum->ptr()),
weight_scale_tensor.data<float>(), row_scale,
const_cast<paddle::Tensor*>(down_proj_scale.get_ptr())->data<float>(),
reinterpret_cast<NvType*>(ffn_out_data), reinterpret_cast<NvType*>(ffn_out_data),
used_in_ep_low_latency ? num_max_tokens_per_expert : 0, used_in_ep_low_latency ? num_max_tokens_per_expert : 0,
used_in_ep_low_latency ? num_max_tokens_per_expert used_in_ep_low_latency ? num_max_tokens_per_expert
@@ -431,7 +416,6 @@ void MoeFFNKernel(const paddle::Tensor& permute_input,
num_experts, num_experts,
hidden_size, hidden_size,
inter_size / 2, inter_size / 2,
weight_scale_group_size,
stream); stream);
} else { } else {
typename cutlass::WintQuantTraits< typename cutlass::WintQuantTraits<
@@ -458,7 +442,6 @@ paddle::Tensor MoeExpertFFNFunc(
const paddle::Tensor& tokens_expert_prefix_sum, const paddle::Tensor& tokens_expert_prefix_sum,
const paddle::Tensor& up_gate_proj_weight, const paddle::Tensor& up_gate_proj_weight,
const paddle::Tensor& down_proj_weight, const paddle::Tensor& down_proj_weight,
const paddle::optional<paddle::Tensor>& up_proj_in_scale,
const paddle::optional<paddle::Tensor>& up_gate_proj_bias, const paddle::optional<paddle::Tensor>& up_gate_proj_bias,
const paddle::optional<paddle::Tensor>& up_gate_proj_scale, const paddle::optional<paddle::Tensor>& up_gate_proj_scale,
const paddle::optional<paddle::Tensor>& down_proj_scale, const paddle::optional<paddle::Tensor>& down_proj_scale,
@@ -483,7 +466,6 @@ paddle::Tensor MoeExpertFFNFunc(
tokens_expert_prefix_sum, tokens_expert_prefix_sum,
up_gate_proj_weight, up_gate_proj_weight,
down_proj_weight, down_proj_weight,
up_proj_in_scale,
up_gate_proj_bias, up_gate_proj_bias,
up_gate_proj_scale, up_gate_proj_scale,
down_proj_scale, down_proj_scale,
@@ -501,7 +483,6 @@ paddle::Tensor MoeExpertFFNFunc(
tokens_expert_prefix_sum, tokens_expert_prefix_sum,
up_gate_proj_weight, up_gate_proj_weight,
down_proj_weight, down_proj_weight,
up_proj_in_scale,
up_gate_proj_bias, up_gate_proj_bias,
up_gate_proj_scale, up_gate_proj_scale,
down_proj_scale, down_proj_scale,
@@ -525,7 +506,6 @@ std::vector<paddle::Tensor> MoeExpertFFN(
const paddle::Tensor& tokens_expert_prefix_sum, const paddle::Tensor& tokens_expert_prefix_sum,
const paddle::Tensor& up_gate_proj_weight, const paddle::Tensor& up_gate_proj_weight,
const paddle::Tensor& down_proj_weight, const paddle::Tensor& down_proj_weight,
const paddle::optional<paddle::Tensor>& up_proj_in_scale,
const paddle::optional<paddle::Tensor>& up_gate_proj_bias, const paddle::optional<paddle::Tensor>& up_gate_proj_bias,
const paddle::optional<paddle::Tensor>& up_gate_proj_scale, const paddle::optional<paddle::Tensor>& up_gate_proj_scale,
const paddle::optional<paddle::Tensor>& down_proj_scale, const paddle::optional<paddle::Tensor>& down_proj_scale,
@@ -540,7 +520,6 @@ std::vector<paddle::Tensor> MoeExpertFFN(
tokens_expert_prefix_sum, tokens_expert_prefix_sum,
up_gate_proj_weight, up_gate_proj_weight,
down_proj_weight, down_proj_weight,
up_proj_in_scale,
up_gate_proj_bias, up_gate_proj_bias,
up_gate_proj_scale, up_gate_proj_scale,
down_proj_scale, down_proj_scale,
@@ -558,7 +537,6 @@ std::vector<std::vector<int64_t>> MoeExpertFFNInferShape(
const std::vector<int64_t>& tokens_expert_prefix_sum_shape, const std::vector<int64_t>& tokens_expert_prefix_sum_shape,
const std::vector<int64_t>& up_gate_proj_weight_shape, const std::vector<int64_t>& up_gate_proj_weight_shape,
const std::vector<int64_t>& down_proj_weight_shape, const std::vector<int64_t>& down_proj_weight_shape,
const paddle::optional<std::vector<int64_t>>& up_proj_in_scale_shape,
const paddle::optional<std::vector<int64_t>>& up_gate_proj_bias_shape, const paddle::optional<std::vector<int64_t>>& up_gate_proj_bias_shape,
const paddle::optional<std::vector<int64_t>>& up_gate_proj_scale_shape, const paddle::optional<std::vector<int64_t>>& up_gate_proj_scale_shape,
const paddle::optional<std::vector<int64_t>>& down_proj_scale_shape, const paddle::optional<std::vector<int64_t>>& down_proj_scale_shape,
@@ -577,7 +555,6 @@ std::vector<paddle::DataType> MoeExpertFFNInferDtype(
const paddle::DataType& tokens_expert_prefix_sum_dtype, const paddle::DataType& tokens_expert_prefix_sum_dtype,
const paddle::DataType& up_gate_proj_weight_dtype, const paddle::DataType& up_gate_proj_weight_dtype,
const paddle::DataType& down_proj_weight_dtype, const paddle::DataType& down_proj_weight_dtype,
const paddle::optional<paddle::DataType>& up_proj_in_scale_dtype,
const paddle::optional<paddle::DataType>& up_gate_proj_bias_dtype, const paddle::optional<paddle::DataType>& up_gate_proj_bias_dtype,
const paddle::optional<paddle::DataType>& up_gate_proj_scale_dtype, const paddle::optional<paddle::DataType>& up_gate_proj_scale_dtype,
const paddle::optional<paddle::DataType>& down_proj_scale_dtype, const paddle::optional<paddle::DataType>& down_proj_scale_dtype,
@@ -655,7 +632,6 @@ PD_BUILD_STATIC_OP(moe_expert_ffn)
"tokens_expert_prefix_sum", "tokens_expert_prefix_sum",
"up_gate_proj_weight", "up_gate_proj_weight",
"down_proj_weight", "down_proj_weight",
paddle::Optional("up_proj_in_scale"),
paddle::Optional("up_gate_proj_bias"), paddle::Optional("up_gate_proj_bias"),
paddle::Optional("up_gate_proj_scale"), paddle::Optional("up_gate_proj_scale"),
paddle::Optional("down_proj_scale"), paddle::Optional("down_proj_scale"),

212
custom_ops/gpu_ops/w4afp8_gemm/kernel_traits.h
View File

@@ -23,142 +23,132 @@
using namespace cute; using namespace cute;
template <int kStages, template <int kStages, class GemmType, class OutputType, class SmemLayoutA,
class GemmType, class SmemLayoutB, class SmemLayoutC>
class OutputType,
class SmemLayoutA,
class SmemLayoutB,
class SmemLayoutC,
class SmemLayoutScale>
struct SharedStorage { struct SharedStorage {
union { union {
struct { struct {
cute::array_aligned<GemmType, cute::cosize_v<SmemLayoutA>> smem_a; cute::array_aligned<GemmType, cute::cosize_v<SmemLayoutA>> smem_a;
cute::array_aligned<GemmType, cute::cosize_v<SmemLayoutB>> smem_b; cute::array_aligned<GemmType, cute::cosize_v<SmemLayoutB>> smem_b;
cute::array_aligned<float, cute::cosize_v<SmemLayoutScale>> smem_scale; };
cute::array_aligned<OutputType, cute::cosize_v<SmemLayoutC>> smem_c;
}; };
cute::array_aligned<OutputType, cute::cosize_v<SmemLayoutC>> smem_c;
};
struct { struct {
typename cutlass::PipelineTmaAsync<kStages>::SharedStorage pipeline; typename cutlass::PipelineTmaAsync<kStages>::SharedStorage pipeline;
}; };
}; };
template <int kBlockM_, template<int kBlockM_, int kBlockN_, int kBlockK_,
int kBlockN_, int kNWarps_, int kStages_,
int kBlockK_, int kTiles_, int M_,
int kNWarps_, int TokenPackSize_,
int kStages_, int TAIL_N_ = 0,
int kTiles_, int kClusterM_ = 1,
int M_, typename elem_type=cutlass::float_e4m3_t,
int K_, typename OutputType = cutlass::bfloat16_t>
int TokenPackSize_,
int WeightScaleGroup_,
int kClusterM_ = 1,
typename elem_type = cutlass::float_e4m3_t,
typename OutputType = cutlass::bfloat16_t>
struct Kernel_traits { struct Kernel_traits {
using Element = elem_type; using Element = elem_type;
using ElementOutput = OutputType; using ElementAccum = float;
using ElementAccum = typename std:: using ElementOutput = OutputType;
conditional_t<WeightScaleGroup_ == K_, float, cutlass::half_t>; static_assert(cutlass::sizeof_bits_v<Element> == 8);
static_assert(cutlass::sizeof_bits_v<Element> == 8);
static constexpr int kNWarps = kNWarps_; static constexpr int kNWarps = kNWarps_;
static constexpr int kNThreads = kNWarps * cutlass::NumThreadsPerWarp; static constexpr int kNThreads = kNWarps * cutlass::NumThreadsPerWarp;
static constexpr int NumProducerThreads = cutlass::NumThreadsPerWarpGroup; static constexpr int NumProducerThreads = cutlass::NumThreadsPerWarpGroup;
static constexpr int NumMmaThreads = kNThreads - NumProducerThreads; static constexpr int NumMmaThreads = kNThreads - NumProducerThreads;
static_assert(kNWarps_ == 12 || kNWarps_ == 16); static_assert(kNWarps_ == 12 || kNWarps_ == 16);
static constexpr int kBlockM = kBlockM_; static constexpr int kBlockM = kBlockM_;
static constexpr int kBlockN = kBlockN_; static constexpr int kBlockN = kBlockN_;
static constexpr int kBlockK = kBlockK_; static constexpr int kBlockK = kBlockK_;
static constexpr int kTiles = kTiles_; static constexpr int kTiles = kTiles_;
static constexpr int TokenPackSize = TokenPackSize_; static constexpr int TokenPackSize = TokenPackSize_;
static constexpr int M = M_; static constexpr int M = M_;
static constexpr int K = K_; static constexpr int TAIL_N = TAIL_N_;
static constexpr int WeightScaleGroup = WeightScaleGroup_;
using TileShape_MNK = Shape<Int<kBlockM>, Int<kBlockN>, Int<kBlockK>>; using TileShape_MNK = Shape<Int<kBlockM>, Int<kBlockN>, Int<kBlockK>>;
using TileShape_MNK_TAIL = Shape<Int<kBlockM>, Int<TAIL_N>, Int<kBlockK>>;
static constexpr int kClusterM = kClusterM_; static constexpr int kClusterM = kClusterM_;
using ClusterShape_MNK = Shape<Int<kClusterM>, _1, _1>; using ClusterShape_MNK = Shape<Int<kClusterM>, _1, _1>;
static constexpr int kStages = kStages_; static constexpr int kStages = kStages_;
static_assert(kStages > 1); static_assert(kStages > 1);
using AtomLayoutMNK = Layout<Shape<Int<kBlockM / 64>, _1, _1>>; using AtomLayoutMNK = Layout<Shape<Int<kBlockM / 64>, _1, _1>>;
using TiledMma = decltype(cute::make_tiled_mma( using TiledMma = decltype(cute::make_tiled_mma(
cute::GMMA:: cute::GMMA::rs_op_selector<Element, Element, ElementAccum, TileShape_MNK>(),
rs_op_selector<Element, Element, ElementAccum, TileShape_MNK>(), AtomLayoutMNK{}));
AtomLayoutMNK{}));
using SmemLayoutAtomA = using TiledMma_TAIL = decltype(cute::make_tiled_mma(
decltype(cutlass::gemm::collective::detail::rs_smem_selector< cute::GMMA::rs_op_selector<Element, Element, ElementAccum, TileShape_MNK_TAIL>(),
GMMA::Major::K, AtomLayoutMNK{}));
Element,
Int<kBlockM>,
Int<kBlockK / 2>>());
using SmemLayoutA = decltype(tile_to_shape( using SmemLayoutAtomA = decltype(
SmemLayoutAtomA{}, cutlass::gemm::collective::detail::rs_smem_selector<
make_shape(Int<kBlockM>{}, Int<kBlockK / 2>{}, Int<kStages>{}))); GMMA::Major::K, Element, Int<kBlockM>, Int<kBlockK / 2>>());
using SmemLayoutAtomB = using SmemLayoutA = decltype(
decltype(cutlass::gemm::collective::detail::rs_smem_selector< tile_to_shape(SmemLayoutAtomA{},
GMMA::Major::K, make_shape(Int<kBlockM>{}, Int<kBlockK / 2>{}, Int<kStages>{})));
Element,
decltype(cute::get<1>(TileShape_MNK{})),
decltype(cute::get<2>(TileShape_MNK{}))>());
using SmemLayoutB = using SmemLayoutAtomB = decltype(
decltype(tile_to_shape(SmemLayoutAtomB{}, cutlass::gemm::collective::detail::rs_smem_selector<
make_shape(shape<1>(TileShape_MNK{}), GMMA::Major::K, Element, decltype(cute::get<1>(TileShape_MNK{})),
shape<2>(TileShape_MNK{}), decltype(cute::get<2>(TileShape_MNK{}))>());
Int<kStages>{})));
using SmemLayoutAtomC =
decltype(cutlass::gemm::collective::detail::rs_smem_selector<
GMMA::Major::K,
ElementOutput,
decltype(cute::get<0>(TileShape_MNK{})),
decltype(cute::get<1>(TileShape_MNK{}))>());
using SmemLayoutC = using SmemLayoutB = decltype(
decltype(tile_to_shape(SmemLayoutAtomC{}, select<0, 1>(TileShape_MNK{}))); tile_to_shape(SmemLayoutAtomB{},
make_shape(shape<1>(TileShape_MNK{}), shape<2>(TileShape_MNK{}), Int<kStages>{})));
using SmemCopyAtomAB = Copy_Atom<cute::SM75_U32x4_LDSM_N, Element>; using SmemLayoutAtomB_TAIL = decltype(
using SmemCopyAtomC = Copy_Atom<cute::SM90_U32x4_STSM_N, ElementOutput>; cutlass::gemm::collective::detail::rs_smem_selector<
GMMA::Major::K, Element, decltype(cute::get<1>(TileShape_MNK_TAIL{})),
decltype(cute::get<2>(TileShape_MNK_TAIL{}))>());
using SmemLayoutScale = Layout<Shape<Int<kBlockM>, Int<kStages>>>; using SmemLayoutB_TAIL = decltype(
tile_to_shape(SmemLayoutAtomB_TAIL{},
make_shape(
shape<1>(TileShape_MNK_TAIL{}),
shape<2>(TileShape_MNK_TAIL{}),
Int<kStages>{})
));
using SharedStorage = SharedStorage<kStages, using SmemLayoutAtomC = decltype(
Element, cutlass::gemm::collective::detail::rs_smem_selector<
ElementOutput, GMMA::Major::K, ElementOutput,
SmemLayoutA, decltype(cute::get<0>(TileShape_MNK{})),
SmemLayoutB, decltype(cute::get<1>(TileShape_MNK{}))>());
SmemLayoutC,
SmemLayoutScale>;
using MainloopPipeline = typename cutlass::PipelineTmaAsync<kStages>; using SmemLayoutC = decltype(tile_to_shape(SmemLayoutAtomC{}, select<0, 1>(TileShape_MNK{})));
using PipelineState = typename cutlass::PipelineState<kStages>;
static constexpr int kNumVecElem = ceil_div(128, sizeof_bits_v<OutputType>); using SmemCopyAtomAB = Copy_Atom<cute::SM75_U32x4_LDSM_N, Element>;
static constexpr int kNumThreadsPerRow = kBlockN / kNumVecElem; using SmemCopyAtomC = Copy_Atom<cute::SM90_U32x4_STSM_N, ElementOutput>;
// static_assert(NumMmaThreads % kNumThreadsPerRow == 0);
static constexpr int kNumRows = NumMmaThreads / kNumThreadsPerRow; using SharedStorage = SharedStorage<
using TiledCopyCAtom = kStages, Element, ElementOutput, SmemLayoutA, SmemLayoutB, SmemLayoutC>;
cute::Copy_Atom<cute::UniversalCopy<cutlass::uint128_t>, OutputType>;
using TiledCopyCThrLayout = decltype(cute::make_layout( using MainloopPipeline = typename cutlass::PipelineTmaAsync<kStages>;
cute::make_shape(Int<kNumRows>{}, Int<kNumThreadsPerRow>{}), using PipelineState = typename cutlass::PipelineState<kStages>;
LayoutRight{}));
using TiledCopyCValLayout = decltype(cute::make_layout(
cute::make_shape(_1{}, Int<kNumVecElem>{}), LayoutRight{})); static constexpr int kNumVecElem = ceil_div(128, sizeof_bits_v<OutputType>);
using TiledCopyC = static constexpr int kNumThreadsPerRow = kBlockN / kNumVecElem;
decltype(make_tiled_copy(TiledCopyCAtom{}, // static_assert(NumMmaThreads % kNumThreadsPerRow == 0);
TiledCopyCThrLayout{}, // Thr layout static constexpr int kNumRows = NumMmaThreads / kNumThreadsPerRow;
TiledCopyCValLayout{} // Val layout using TiledCopyCAtom = cute::Copy_Atom<cute::UniversalCopy<cutlass::uint128_t>, OutputType>;
)); using TiledCopyCThrLayout = decltype(cute::make_layout(
cute::make_shape(Int<kNumRows>{}, Int<kNumThreadsPerRow>{}),
LayoutRight{}));
using TiledCopyCValLayout = decltype(cute::make_layout(
cute::make_shape(_1{}, Int<kNumVecElem>{}),
LayoutRight{}));
using TiledCopyC = decltype(make_tiled_copy(
TiledCopyCAtom{},
TiledCopyCThrLayout{}, // Thr layout
TiledCopyCValLayout{} // Val layout
));
}; };

858
custom_ops/gpu_ops/w4afp8_gemm/mainloop_fwd.h
View File

@@ -14,10 +14,10 @@
#pragma once #pragma once
#include <cutlass/array.h>
#include <cutlass/cutlass.h> #include <cutlass/cutlass.h>
#include <cutlass/numeric_conversion.h> #include <cutlass/array.h>
#include <cutlass/numeric_types.h> #include <cutlass/numeric_types.h>
#include <cutlass/numeric_conversion.h>
#include "cutlass/pipeline/pipeline.hpp" #include "cutlass/pipeline/pipeline.hpp"
#include "cute/tensor.hpp" #include "cute/tensor.hpp"
@@ -27,544 +27,368 @@
// #include "named_barrier.hpp" // #include "named_barrier.hpp"
#include "utils.hpp" #include "utils.hpp"
using namespace cute; using namespace cute;
template <typename Ktraits> template <typename Ktraits>
struct CollectiveMainloopFwd { struct CollectiveMainloopFwd {
using Element = typename Ktraits::Element;
using ElementOutput = typename Ktraits::ElementOutput;
using TileShape_MNK = typename Ktraits::TileShape_MNK;
using ClusterShape = typename Ktraits::ClusterShape_MNK;
using ElementAccum = typename Ktraits::ElementAccum;
static constexpr int kStages = Ktraits::kStages; using Element = typename Ktraits::Element;
static constexpr int kBlockM = Ktraits::kBlockM; using ElementOutput = typename Ktraits::ElementOutput;
static constexpr int kBlockN = Ktraits::kBlockN; using TileShape_MNK = typename Ktraits::TileShape_MNK;
static constexpr int kBlockK = Ktraits::kBlockK; using TileShape_MNK_TAIL = typename Ktraits::TileShape_MNK_TAIL;
static constexpr int NumCopyThreads = cutlass::NumThreadsPerWarpGroup; using ClusterShape = typename Ktraits::ClusterShape_MNK;
static constexpr int kTiles = Ktraits::kTiles; using ElementAccum = typename Ktraits::ElementAccum;
static constexpr int M = Ktraits::M;
static constexpr int K = Ktraits::K;
static constexpr int TokenPackSize = Ktraits::TokenPackSize;
static constexpr int WeightScaleGroup = Ktraits::WeightScaleGroup;
using GmemTiledCopy = cute::SM90_TMA_LOAD; static constexpr int kStages = Ktraits::kStages;
static constexpr int kBlockM = Ktraits::kBlockM;
static constexpr int kBlockN = Ktraits::kBlockN;
static constexpr int TAIL_N = Ktraits::TAIL_N;
static constexpr int kBlockK = Ktraits::kBlockK;
static constexpr int NumCopyThreads = cutlass::NumThreadsPerWarpGroup;
static constexpr int kTiles = Ktraits::kTiles;
static constexpr int M = Ktraits::M;
static constexpr int TokenPackSize = Ktraits::TokenPackSize;
using SmemLayoutA = typename Ktraits::SmemLayoutA; using GmemTiledCopy = cute::SM90_TMA_LOAD;
using SmemLayoutB = typename Ktraits::SmemLayoutB;
using SmemLayoutC = typename Ktraits::SmemLayoutC;
using SmemLayoutScale = typename Ktraits::SmemLayoutScale;
using ShapeT = cute::Shape<int64_t, int64_t, int64_t>;
using StrideT = cute::Shape<int64_t, _1, int64_t>;
using LayoutT = cute::Layout<ShapeT, StrideT>;
using ShapeTScale = cute::Shape<int64_t, int64_t, int64_t>; using SmemLayoutA = typename Ktraits::SmemLayoutA;
using StrideTScale = cute::Shape<_1, int64_t, int64_t>; using SmemLayoutB = typename Ktraits::SmemLayoutB;
using LayoutTScale = cute::Layout<ShapeTScale, StrideTScale>; using SmemLayoutC = typename Ktraits::SmemLayoutC;
using SmemLayoutB_TAIL = typename Ktraits::SmemLayoutB_TAIL;
using TMA_A = decltype(make_tma_copy( using ShapeT = cute::Shape<int64_t, int64_t, int64_t>;
GmemTiledCopy{}, using StrideT = cute::Shape<int64_t, _1, int64_t>;
make_tensor(make_gmem_ptr(static_cast<Element const*>(nullptr)), using LayoutT = cute::Layout<ShapeT, StrideT>;
ShapeT{},
StrideT{}),
SmemLayoutA{}(_, _, _0{}),
select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}),
size<0>(ClusterShape{})));
using TMA_B = decltype(make_tma_copy( using TMA_A = decltype(make_tma_copy(
GmemTiledCopy{}, GmemTiledCopy{},
make_tensor(make_gmem_ptr(static_cast<Element const*>(nullptr)), make_tensor(
ShapeT{}, make_gmem_ptr(static_cast<Element const*>(nullptr)),
StrideT{}), ShapeT{},
take<0, 2>(SmemLayoutB{}), StrideT{}
select<1, 2>(TileShape_MNK{}), ),
size<0>(ClusterShape{}))); SmemLayoutA{}(_, _, _0{}),
select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}),
size<0>(ClusterShape{})));
using TMA_Scale = decltype(make_tma_copy( using TMA_B = decltype(make_tma_copy(
GmemTiledCopy{}, GmemTiledCopy{},
make_tensor(make_gmem_ptr(static_cast<float const*>(nullptr)), make_tensor(
ShapeTScale{}, make_gmem_ptr(static_cast<Element const*>(nullptr)),
StrideTScale{}), ShapeT{},
SmemLayoutScale{}(_, _0{}), StrideT{}
select<0>(Shape<Int<kBlockM>>{}), ),
size<0>(ClusterShape{}))); take<0, 2>(SmemLayoutB{}),
select<1, 2>(TileShape_MNK{}),
size<0>(ClusterShape{})));
static constexpr int NumMmaThreads = size(typename Ktraits::TiledMma{}); static constexpr int NumMmaThreads = size(typename Ktraits::TiledMma{});
using MainloopPipeline = typename Ktraits::MainloopPipeline; using MainloopPipeline = typename Ktraits::MainloopPipeline;
using PipelineParams = typename MainloopPipeline::Params; using PipelineParams = typename MainloopPipeline::Params;
using PipelineState = typename MainloopPipeline::PipelineState; using PipelineState = typename MainloopPipeline::PipelineState;
using SmemCopyAtomAB = typename Ktraits::SmemCopyAtomAB; using SmemCopyAtomAB = typename Ktraits::SmemCopyAtomAB;
using SmemCopyAtomC = typename Ktraits::SmemCopyAtomC; using SmemCopyAtomC = typename Ktraits::SmemCopyAtomC;
using TiledCopyC = typename Ktraits::TiledCopyC; using TiledCopyC = typename Ktraits::TiledCopyC;
static constexpr uint32_t TmaTransactionBytesA = static_cast<uint32_t>( static constexpr uint32_t TmaTransactionBytesA = static_cast<uint32_t>(size(take<0, 2>(SmemLayoutA{})) * cutlass::sizeof_bits_v<Element> / 8);
size(take<0, 2>(SmemLayoutA{})) * cutlass::sizeof_bits_v<Element> / 8); static constexpr uint32_t TmaTransactionBytesB = static_cast<uint32_t>(size(take<0, 2>(SmemLayoutB{})) * cutlass::sizeof_bits_v<Element> / 8);
static constexpr uint32_t TmaTransactionBytesB = static_cast<uint32_t>(
size(take<0, 2>(SmemLayoutB{})) * cutlass::sizeof_bits_v<Element> / 8);
static constexpr uint32_t TmaTransactionBytesScale = static_cast<uint32_t>(
size(SmemLayoutScale{}(_, _0{})) * cutlass::sizeof_bits_v<float> / 8);
struct Arguments { struct Arguments {
Element const* ptr_A; Element const* ptr_A;
LayoutT layout_A; LayoutT layout_A;
Element const* ptr_B; Element const* ptr_B;
LayoutT layout_B; LayoutT layout_B;
ElementOutput* ptr_C; ElementOutput * ptr_C;
LayoutT layout_C; LayoutT layout_C;
const float* weight_scale; const float *weight_scale;
LayoutTScale layout_Scale; const float *input_row_sum;
const float* input_scale; const int64_t * tokens;
const int64_t* tokens;
};
struct Params {
LayoutT layout_A;
LayoutT layout_B;
LayoutTScale layout_Scale;
TMA_A tma_load_A;
TMA_B tma_load_B;
TMA_Scale tma_load_Scale;
ElementOutput* ptr_C;
const float* weight_scale;
const float* input_scale;
const int64_t* tokens;
};
Params static to_underlying_arguments(Arguments const& args) {
Tensor mA = make_tensor(make_gmem_ptr(args.ptr_A), args.layout_A);
TMA_A tma_load_A =
make_tma_copy(GmemTiledCopy{},
mA,
SmemLayoutA{}(_, _, _0{}),
select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}),
size<0>(ClusterShape{}));
Tensor mB = make_tensor(make_gmem_ptr(args.ptr_B), args.layout_B);
TMA_B tma_load_B = make_tma_copy(GmemTiledCopy{},
mB,
SmemLayoutB{}(_, _, _0{}),
select<1, 2>(TileShape_MNK{}),
size<0>(ClusterShape{}));
Tensor mScale =
make_tensor(make_gmem_ptr(args.weight_scale), args.layout_Scale);
TMA_Scale tma_load_Scale = make_tma_copy(GmemTiledCopy{},
mScale,
SmemLayoutScale{}(_, _0{}),
select<0>(Shape<Int<kBlockM>>{}),
size<0>(ClusterShape{}));
return {args.layout_A,
args.layout_B,
args.layout_Scale,
tma_load_A,
tma_load_B,
tma_load_Scale,
args.ptr_C,
args.weight_scale,
args.input_scale,
args.tokens};
}
CUTLASS_DEVICE
static void prefetch_tma_descriptors(Params const& mainloop_params) {
cute::prefetch_tma_descriptor(
mainloop_params.tma_load_A.get_tma_descriptor());
cute::prefetch_tma_descriptor(
mainloop_params.tma_load_B.get_tma_descriptor());
if constexpr (WeightScaleGroup < K) {
cute::prefetch_tma_descriptor(
mainloop_params.tma_load_Scale.get_tma_descriptor());
}
}
template <typename SharedStorage, typename FrgTensorO, typename TiledMma>
CUTLASS_DEVICE void store(Params const& mainloop_params,
FrgTensorO& tOrO,
SharedStorage& shared_storage,
TiledMma tiled_mma,
const float* weight_scale,
const float* input_scale,
const int64_t tokens,
const int64_t pre_fix_tokens,
const int bidm,
const int bidn,
const int bidb,
const int tidx) {
using packHalf = typename PackedHalf<ElementOutput>::Type;
Tensor tOrO_out = make_tensor<ElementOutput>(tOrO.layout());
if (input_scale != nullptr) {
const int lane_id = tidx % 4 * 2;
if constexpr (WeightScaleGroup == K) {
#pragma unroll
for (int i = 0; i < size(tOrO); i += 4) {
const int scale_idx = i * 2 + lane_id;
tOrO[i] = tOrO[i] * weight_scale[0] * input_scale[scale_idx];
tOrO[i + 1] =
tOrO[i + 1] * weight_scale[0] * input_scale[scale_idx + 1];
tOrO[i + 2] = tOrO[i + 2] * weight_scale[1] * input_scale[scale_idx];
tOrO[i + 3] =
tOrO[i + 3] * weight_scale[1] * input_scale[scale_idx + 1];
*reinterpret_cast<packHalf*>(&tOrO_out[i]) =
packHalf(tOrO[i], tOrO[i + 2]);
*reinterpret_cast<packHalf*>(&tOrO_out[i + 2]) =
packHalf(tOrO[i + 1], tOrO[i + 3]);
}
} else {
#pragma unroll
for (int i = 0; i < size(tOrO); i += 4) {
const int scale_idx = i * 2 + lane_id;
*reinterpret_cast<packHalf*>(&tOrO_out[i]) =
packHalf(float(tOrO[i]) * input_scale[scale_idx],
float(tOrO[i + 2]) * input_scale[scale_idx]);
*reinterpret_cast<packHalf*>(&tOrO_out[i + 2]) =
packHalf(float(tOrO[i + 1]) * input_scale[scale_idx + 1],
float(tOrO[i + 3]) * input_scale[scale_idx + 1]);
}
}
} else {
if constexpr (WeightScaleGroup == K) {
#pragma unroll
for (int i = 0; i < size(tOrO); i += 4) {
tOrO[i] = (tOrO[i]) * weight_scale[0];
tOrO[i + 1] = tOrO[i + 1] * weight_scale[0];
tOrO[i + 2] = tOrO[i + 2] * weight_scale[1];
tOrO[i + 3] = tOrO[i + 3] * weight_scale[1];
*reinterpret_cast<packHalf*>(&tOrO_out[i]) =
packHalf(tOrO[i], tOrO[i + 2]);
*reinterpret_cast<packHalf*>(&tOrO_out[i + 2]) =
packHalf(tOrO[i + 1], tOrO[i + 3]);
}
} else {
#pragma unroll
for (int i = 0; i < size(tOrO); i += 4) {
*reinterpret_cast<packHalf*>(&tOrO_out[i]) =
packHalf(float(tOrO[i]), float(tOrO[i + 2]));
*reinterpret_cast<packHalf*>(&tOrO_out[i + 2]) =
packHalf(float(tOrO[i + 1]), float(tOrO[i + 3]));
}
}
}
uint16_t* smem_c =
reinterpret_cast<uint16_t*>(shared_storage.smem_c.data());
uint32_t* reg_data = reinterpret_cast<uint32_t*>(tOrO_out.data());
cutlass::arch::NamedBarrier::sync(NumMmaThreads, 0);
constexpr int k_copy_times = kBlockN / 16;
#pragma unroll
for (int i = 0; i < k_copy_times; i++) {
uint32_t smem_ptr = cast_smem_ptr_to_uint(
reinterpret_cast<uint128_t*>(smem_c + i * 16 * 128) + tidx);
#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
asm volatile(
"stmatrix.sync.aligned.x4.trans.m8n8.shared.b16 [%0], {%1, %2, %3, "
"%4};\n" ::"r"(smem_ptr),
"r"(reg_data[4 * i + 0]),
"r"(reg_data[4 * i + 2]),
"r"(reg_data[4 * i + 1]),
"r"(reg_data[4 * i + 3]));
#endif
}
cutlass::arch::NamedBarrier::sync(NumMmaThreads, 0);
const int expert_idx =
TokenPackSize == 0 ? pre_fix_tokens * M : bidb * M * TokenPackSize;
ElementOutput* store_c = mainloop_params.ptr_C + expert_idx +
bidn * (M * kBlockN) + bidm * kBlockM;
const int reamin_tokens = tokens - bidn * kBlockN;
const int col = tidx % 2;
constexpr int kPackSize = 16 / sizeof(ElementOutput);
constexpr int kNumVecElem = kBlockM / kPackSize;
constexpr int copy_len = kBlockN * kNumVecElem;
#pragma unroll
for (int idx = tidx; idx < copy_len; idx += NumMmaThreads) {
const int idx_div2 = idx / 2;
const int store_idx = idx_div2 / 128 * 128 + idx_div2 % 8 * 16 +
idx_div2 % 128 / 16 + idx_div2 % 16 / 8 * 8;
const int store_global_idx = store_idx * 2 + col;
const int row = store_global_idx / kNumVecElem;
const int col = store_global_idx % kNumVecElem;
if (row >= reamin_tokens) {
continue;
}
const int offset = row * (M / kPackSize) + col;
reinterpret_cast<uint4*>(store_c)[offset] =
reinterpret_cast<uint4*>(smem_c)[idx];
}
}
template <typename MTensor>
CUTLASS_DEVICE auto get_local_no_packed_tensor(const MTensor& mB,
const int pre_fix_token,
const int actual_token,
const int bidn) const {
auto g_tensor = domain_offset(make_coord(pre_fix_token, _0{}), mB(_, _, 0));
Tensor gB = local_tile(
g_tensor, select<1, 2>(TileShape_MNK{}), make_coord(bidn, _));
return gB;
}
template <typename SharedStorage>
CUTLASS_DEVICE void load(Params const& mainloop_params,
MainloopPipeline pipeline,
PipelineState& smem_pipe_write,
SharedStorage& shared_storage,
const int tokens,
const int pre_fix_tokens,
const int bidm,
const int bidn,
const int bidb,
const int tidx) {
Tensor sA =
make_tensor(make_smem_ptr(shared_storage.smem_a.data()), SmemLayoutA{});
Tensor sB =
make_tensor(make_smem_ptr(shared_storage.smem_b.data()), SmemLayoutB{});
Tensor sScale = make_tensor(make_smem_ptr(shared_storage.smem_scale.data()),
SmemLayoutScale{});
Tensor mA = mainloop_params.tma_load_A.get_tma_tensor(
mainloop_params.layout_A.shape());
Tensor mB = mainloop_params.tma_load_B.get_tma_tensor(
mainloop_params.layout_B.shape());
Tensor mScale = mainloop_params.tma_load_Scale.get_tma_tensor(
mainloop_params.layout_Scale.shape());
Tensor gA =
local_tile(mA(_, _, bidb),
select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}),
make_coord(bidm, _));
Tensor gScale = local_tile(
mScale(_, bidm, bidb), select<0>(Shape<Int<kBlockM>>{}), make_coord(_));
auto [tAgA, tAsA] = tma_partition(mainloop_params.tma_load_A,
_0{},
Layout<ClusterShape>{},
group_modes<0, 2>(sA),
group_modes<0, 2>(gA));
if constexpr (TokenPackSize == 0) {
Tensor gB = get_local_no_packed_tensor(mB, pre_fix_tokens, tokens, bidn);
auto [tBgB, tBsB] = tma_partition(mainloop_params.tma_load_B,
_0{},
Layout<ClusterShape>{},
group_modes<0, 2>(sB),
group_modes<0, 2>(gB));
if (tidx == 0) {
#pragma unroll
for (int kiter = 0; kiter < kTiles; ++kiter) {
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, kiter),
tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, kiter),
tBsB(_, smem_pipe_write.index()));
if constexpr (WeightScaleGroup < K) {
copy(mainloop_params.tma_load_Scale.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
gScale(_, kiter),
sScale(_, smem_pipe_write.index()));
}
++smem_pipe_write;
}
}
} else {
auto mB_this_expert = make_tensor(
mB(_, _, bidb).data(),
make_layout(cute::make_shape(tokens, size<1>(mB)), mB.stride()));
Tensor gB = local_tile(
mB_this_expert, select<1, 2>(TileShape_MNK{}), make_coord(bidn, _));
auto [tBgB, tBsB] = tma_partition(mainloop_params.tma_load_B,
_0{},
Layout<ClusterShape>{},
group_modes<0, 2>(sB),
group_modes<0, 2>(gB));
if (tidx == 0) {
#pragma unroll
for (int kiter = 0; kiter < kTiles; ++kiter) {
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, kiter),
tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, kiter),
tBsB(_, smem_pipe_write.index()));
if constexpr (WeightScaleGroup < K) {
copy(mainloop_params.tma_load_Scale.with(
*pipeline.producer_get_barrier(smem_pipe_write), 0),
gScale(_, kiter),
sScale(_, smem_pipe_write.index()));
}
++smem_pipe_write;
}
}
}
}
template <typename SharedStorage, typename FrgTensorO, typename TiledMma>
CUTLASS_DEVICE void mma(Params const& mainloop_params,
TiledMma tiled_mma,
MainloopPipeline pipeline,
PipelineState& smem_pipe_read,
SharedStorage& shared_storage,
FrgTensorO& tSrS,
const int tidx) {
Tensor sA =
make_tensor(make_smem_ptr(shared_storage.smem_a.data()), SmemLayoutA{});
Tensor sB =
make_tensor(make_smem_ptr(shared_storage.smem_b.data()), SmemLayoutB{});
tiled_mma.accumulate_ = GMMA::ScaleOut::One;
auto threadMma = tiled_mma.get_thread_slice(tidx);
auto smem_tiled_copy_A = make_tiled_copy_A(SmemCopyAtomAB{}, tiled_mma);
auto smem_thr_copy_A = smem_tiled_copy_A.get_thread_slice(tidx);
Tensor tSrA = threadMma.partition_fragment_A(sA(_, _, 0));
Tensor tSrB = threadMma.partition_fragment_B(sB);
auto consumer_wait = [](auto& pipeline, auto& smem_pipe_read) {
auto barrier_token = pipeline.consumer_try_wait(smem_pipe_read);
pipeline.consumer_wait(smem_pipe_read, barrier_token);
};
#pragma unroll
for (int kiter = 0; kiter < kTiles; ++kiter) {
Tensor tSsA =
smem_thr_copy_A.partition_S(sA(_, _, smem_pipe_read.index()));
consumer_wait(pipeline, smem_pipe_read);
gemm</*wg_wait=*/0>(tiled_mma,
tSrA,
tSsA,
tSrB(_, _, _, smem_pipe_read.index()),
tSrS,
smem_tiled_copy_A,
smem_thr_copy_A);
pipeline.consumer_release(smem_pipe_read);
++smem_pipe_read;
}
}
template <typename SharedStorage, typename FrgTensorO, typename TiledMma>
CUTLASS_DEVICE void mma_pipeline(Params const& mainloop_params,
TiledMma tiled_mma,
MainloopPipeline pipeline,
PipelineState& smem_pipe_read,
SharedStorage& shared_storage,
FrgTensorO& tSrS,
const int tidx) {
Tensor sA =
make_tensor(make_smem_ptr(shared_storage.smem_a.data()), SmemLayoutA{});
Tensor sB =
make_tensor(make_smem_ptr(shared_storage.smem_b.data()), SmemLayoutB{});
float2* weight_scale =
reinterpret_cast<float2*>(shared_storage.smem_scale.data()) + tidx / 4;
Tensor tSrS1 = make_fragment_like(tSrS);
Tensor tSrS2 = make_fragment_like(tSrS);
__half2* tSrS_data =
reinterpret_cast<__half2*>(raw_pointer_cast(tSrS.data()));
__half2* tSrS1_data =
reinterpret_cast<__half2*>(raw_pointer_cast(tSrS1.data()));
__half2* tSrS2_data =
reinterpret_cast<__half2*>(raw_pointer_cast(tSrS2.data()));
auto threadMma = tiled_mma.get_thread_slice(tidx);
auto smem_tiled_copy_A = make_tiled_copy_A(SmemCopyAtomAB{}, tiled_mma);
auto smem_thr_copy_A = smem_tiled_copy_A.get_thread_slice(tidx);
Tensor tSrA = threadMma.partition_fragment_A(sA(_, _, 0));
Tensor tSrB = threadMma.partition_fragment_B(sB);
auto consumer_wait = [](auto& pipeline, auto& smem_pipe_read) {
auto barrier_token = pipeline.consumer_try_wait(smem_pipe_read);
pipeline.consumer_wait(smem_pipe_read, barrier_token);
}; };
__half2 scale1, scale2, scale3, scale4; struct Params {
float2 scale_cur_k; LayoutT layout_A;
#pragma unroll LayoutT layout_B;
for (int kiter = 0; kiter < kTiles;) { TMA_A tma_load_A;
Tensor tSsA1 = TMA_B tma_load_B;
smem_thr_copy_A.partition_S(sA(_, _, smem_pipe_read.index())); ElementOutput * ptr_C;
consumer_wait(pipeline, smem_pipe_read); const float *weight_scale;
scale_cur_k = *(weight_scale + smem_pipe_read.index() * (kBlockM / 2)); const float *input_row_sum;
scale1 = __half2(scale_cur_k.x, scale_cur_k.x); const int64_t * tokens;
scale2 = __half2(scale_cur_k.y, scale_cur_k.y); };
gemm</*wg_wait=*/0>(tiled_mma,
tSrA,
tSsA1,
tSrB(_, _, _, smem_pipe_read.index()),
tSrS1,
smem_tiled_copy_A,
smem_thr_copy_A);
pipeline.consumer_release(smem_pipe_read);
tiled_mma.accumulate_ = GMMA::ScaleOut::Zero;
if (kiter > 0) { Params static
for (int i = 0; i < size(tSrS) / 2; i += 2) { to_underlying_arguments(Arguments const& args) {
tSrS_data[i] = __hfma2(tSrS2_data[i], scale3, tSrS_data[i]); Tensor mA = make_tensor(make_gmem_ptr(args.ptr_A), args.layout_A);
tSrS_data[i + 1] = TMA_A tma_load_A = make_tma_copy(
__hfma2(tSrS2_data[i + 1], scale4, tSrS_data[i + 1]); GmemTiledCopy{},
mA,
SmemLayoutA{}(_, _, _0{}),
select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}),
size<0>(ClusterShape{}));
Tensor mB = make_tensor(make_gmem_ptr(args.ptr_B), args.layout_B);
TMA_B tma_load_B = make_tma_copy(
GmemTiledCopy{},
mB,
SmemLayoutB{}(_, _, _0{}),
select<1, 2>(TileShape_MNK{}),
size<0>(ClusterShape{}));
return {args.layout_A, args.layout_B, tma_load_A, tma_load_B,
args.ptr_C, args.weight_scale, args.input_row_sum, args.tokens};
}
CUTLASS_DEVICE
static void prefetch_tma_descriptors(Params const& mainloop_params) {
cute::prefetch_tma_descriptor(mainloop_params.tma_load_A.get_tma_descriptor());
cute::prefetch_tma_descriptor(mainloop_params.tma_load_B.get_tma_descriptor());
}
template <int CUR_N, typename SharedStorage, typename FrgTensorO, typename TiledMma>
CUTLASS_DEVICE void
store(Params const& mainloop_params,
FrgTensorO & tOrO,
SharedStorage& shared_storage,
TiledMma tiled_mma,
const float *input_row_sum,
const float *weight_scale,
const int64_t tokens,
const int64_t pre_fix_tokens,
const int bidm,
const int bidn,
const int bidb,
const int tidx) {
using packHalf = typename PackedHalf<ElementOutput>::Type;
Tensor tOrO_out = make_tensor<ElementOutput>(tOrO.layout());
#pragma unroll
for (int i = 0; i < size(tOrO); i+=4) {
const int sum_idx = i * 2;
tOrO[i] = (tOrO[i] + input_row_sum[sum_idx]) * weight_scale[0];
tOrO[i + 1] = (tOrO[i + 1] + input_row_sum[sum_idx + 1]) * weight_scale[0];
tOrO[i + 2] = (tOrO[i + 2] + input_row_sum[sum_idx]) * weight_scale[1];
tOrO[i + 3] = (tOrO[i + 3] + input_row_sum[sum_idx + 1]) * weight_scale[1];
*reinterpret_cast<packHalf*>(&tOrO_out[i]) = packHalf(tOrO[i], tOrO[i + 2]);
*reinterpret_cast<packHalf*>(&tOrO_out[i + 2]) = packHalf(tOrO[i + 1], tOrO[i + 3]);
} }
}
++smem_pipe_read; uint16_t *smem_c = reinterpret_cast<uint16_t *>(shared_storage.smem_c.data());
++kiter;
if (kiter < kTiles) { uint32_t * reg_data = reinterpret_cast<uint32_t*>(tOrO_out.data());
Tensor tSsA2 =
smem_thr_copy_A.partition_S(sA(_, _, smem_pipe_read.index()));
consumer_wait(pipeline, smem_pipe_read);
scale_cur_k = *(weight_scale + smem_pipe_read.index() * (kBlockM / 2));
scale3 = __half2(scale_cur_k.x, scale_cur_k.x);
scale4 = __half2(scale_cur_k.y, scale_cur_k.y);
gemm</*wg_wait=*/0>(tiled_mma, cutlass::arch::NamedBarrier::sync(NumMmaThreads, 0);
tSrA,
tSsA2,
tSrB(_, _, _, smem_pipe_read.index()),
tSrS2,
smem_tiled_copy_A,
smem_thr_copy_A);
pipeline.consumer_release(smem_pipe_read);
++smem_pipe_read;
++kiter;
}
for (int i = 0; i < size(tSrS) / 2; i += 2) { constexpr int k_copy_times = CUR_N / 16;
tSrS_data[i] = __hfma2(tSrS1_data[i], scale1, tSrS_data[i]);
tSrS_data[i + 1] = __hfma2(tSrS1_data[i + 1], scale2, tSrS_data[i + 1]); #pragma unroll
} for (int i = 0; i < k_copy_times; i++) {
tiled_mma.accumulate_ = GMMA::ScaleOut::Zero; uint32_t smem_ptr = cast_smem_ptr_to_uint(reinterpret_cast<uint128_t*>(smem_c + i * 16 * 128) + tidx);
#if defined(CUTE_ARCH_STSM_SM90_ENABLED)
asm volatile (
"stmatrix.sync.aligned.x4.trans.m8n8.shared.b16 [%0], {%1, %2, %3, %4};\n"
:: "r"(smem_ptr), "r"(reg_data[4 * i + 0]), "r"(reg_data[4 * i + 2]), "r"(reg_data[4 * i + 1]), "r"(reg_data[4 * i + 3]));
#endif
}
cutlass::arch::NamedBarrier::sync(NumMmaThreads, 0);
const int batch_idx = TokenPackSize == 0 ? pre_fix_tokens * M : bidb * M * TokenPackSize;
ElementOutput * store_c = mainloop_params.ptr_C + batch_idx + bidn * (M * kBlockN) + bidm * kBlockM;
const int reamin_tokens = tokens - bidn * kBlockN;
const int col = tidx % 2;
constexpr int kPackSize = 16 / sizeof(ElementOutput);
constexpr int kNumVecElem = kBlockM / kPackSize;
constexpr int copy_len = CUR_N * kNumVecElem;
#pragma unroll
for (int idx = tidx; idx < copy_len; idx += NumMmaThreads) {
const int idx_div2 = idx / 2;
const int store_idx = idx_div2 / 128 * 128 + idx_div2 % 8 * 16 + idx_div2 % 128 / 16 + idx_div2 % 16 / 8 * 8;
const int store_global_idx = store_idx * 2 + col;
const int row = store_global_idx / kNumVecElem;
const int col = store_global_idx % kNumVecElem;
if (row >= reamin_tokens) {
continue;
}
const int offset = row * (M / kPackSize) + col;
reinterpret_cast<uint4*>(store_c)[offset] = reinterpret_cast<uint4*>(smem_c)[idx];
}
} }
if constexpr (kTiles % 2 == 0) {
for (int i = 0; i < size(tSrS) / 2; i += 2) { template <typename MTensor>
tSrS_data[i] = __hfma2(tSrS2_data[i], scale3, tSrS_data[i]); CUTLASS_DEVICE auto get_local_no_packed_tensor(
tSrS_data[i + 1] = __hfma2(tSrS2_data[i + 1], scale4, tSrS_data[i + 1]); const MTensor &mB,
} const int pre_fix_token,
const int actual_token,
const int bidn) const {
auto g_tensor = domain_offset(make_coord(pre_fix_token, _0{}), mB(_, _, 0));
Tensor gB = local_tile(g_tensor, select<1, 2>(TileShape_MNK{}), make_coord(bidn, _));
return gB;
}
template <typename SharedStorage>
CUTLASS_DEVICE void
load(Params const& mainloop_params,
MainloopPipeline pipeline,
PipelineState& smem_pipe_write,
SharedStorage &shared_storage,
const int tokens,
const int pre_fix_tokens,
const int bidm,
const int bidn,
const int bidb,
const int tidx) {
Tensor sA = make_tensor(make_smem_ptr(shared_storage.smem_a.data()), SmemLayoutA{});
Tensor sB = make_tensor(make_smem_ptr(shared_storage.smem_b.data()), SmemLayoutB{});
Tensor mA = mainloop_params.tma_load_A.get_tma_tensor(mainloop_params.layout_A.shape());
Tensor mB = mainloop_params.tma_load_B.get_tma_tensor(mainloop_params.layout_B.shape());
Tensor gA = local_tile(mA(_, _, bidb), select<0, 1>(Shape<Int<kBlockM>, Int<kBlockK / 2>>{}), make_coord(bidm, _));
auto [tAgA, tAsA] = tma_partition(mainloop_params.tma_load_A, _0{}, Layout<ClusterShape>{}, group_modes<0, 2>(sA), group_modes<0, 2>(gA));
const int kIters = kTiles / kStages;
if constexpr (TokenPackSize == 0) {
Tensor gB = get_local_no_packed_tensor(
mB,
pre_fix_tokens,
tokens,
bidn);
auto [tBgB, tBsB] = tma_partition(mainloop_params.tma_load_B, _0{}, Layout<ClusterShape>{}, group_modes<0, 2>(sB), group_modes<0, 2>(gB));
if (tidx == 0) {
#pragma unroll
for (int kiter = 0; kiter < kIters; ++kiter) {
#pragma unroll
for (int s = 0; s < kStages; s++) {
const int i = kiter * kStages + s;
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, i), tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, i), tBsB(_, smem_pipe_write.index()));
++smem_pipe_write;
}
}
#pragma unroll
for (int i = kIters * kStages; i < kTiles; ++i) {
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, i), tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, i), tBsB(_, smem_pipe_write.index()));
++smem_pipe_write;
}
}
} else {
auto mB_this_batch = make_tensor(
mB(_, _, bidb).data(),
make_layout(
cute::make_shape(tokens, size<1>(mB)),
mB.stride()
));
Tensor gB = local_tile(mB_this_batch, select<1, 2>(TileShape_MNK{}), make_coord(bidn, _));
auto [tBgB, tBsB] = tma_partition(mainloop_params.tma_load_B, _0{}, Layout<ClusterShape>{}, group_modes<0, 2>(sB), group_modes<0, 2>(gB));
if (tidx == 0) {
#pragma unroll
for (int kiter = 0; kiter < kIters; ++kiter) {
#pragma unroll
for (int s = 0; s < kStages; s++) {
const int i = kiter * kStages + s;
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, i), tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, i), tBsB(_, smem_pipe_write.index()));
++smem_pipe_write;
}
}
#pragma unroll
for (int i = kIters * kStages; i < kTiles; ++i) {
pipeline.producer_acquire(smem_pipe_write);
copy(mainloop_params.tma_load_A.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tAgA(_, i), tAsA(_, smem_pipe_write.index()));
copy(mainloop_params.tma_load_B.with(*pipeline.producer_get_barrier(smem_pipe_write), 0),
tBgB(_, i), tBsB(_, smem_pipe_write.index()));
++smem_pipe_write;
}
}
}
}
template <int CUR_N, typename SharedStorage, typename FrgTensorO, typename TiledMma>
CUTLASS_DEVICE void
mma(Params const& mainloop_params,
TiledMma tiled_mma,
MainloopPipeline pipeline,
PipelineState& smem_pipe_read,
SharedStorage& shared_storage,
FrgTensorO &tSrS,
const int tidx) {
using sMemBLayout = std::conditional_t<
CUR_N == kBlockN,
SmemLayoutB,
SmemLayoutB_TAIL
>;
Tensor sA = make_tensor(make_smem_ptr(shared_storage.smem_a.data()), SmemLayoutA{});
Tensor sB = make_tensor(make_smem_ptr(shared_storage.smem_b.data()), sMemBLayout{});
tiled_mma.accumulate_ = GMMA::ScaleOut::One;
auto threadMma = tiled_mma.get_thread_slice(tidx);
auto smem_tiled_copy_A = make_tiled_copy_A(SmemCopyAtomAB{}, tiled_mma);
auto smem_thr_copy_A = smem_tiled_copy_A.get_thread_slice(tidx);
Tensor tSrA = threadMma.partition_fragment_A(sA(_, _, 0));
Tensor tSrB = threadMma.partition_fragment_B(sB);
auto consumer_wait = [](auto& pipeline, auto& smem_pipe_read) {
auto barrier_token = pipeline.consumer_try_wait(smem_pipe_read);
pipeline.consumer_wait(smem_pipe_read, barrier_token);
};
const int kIters = kTiles / kStages;
constexpr int B_STEPS = CUR_N == 0 ? 1 : (kBlockN / CUR_N);
#pragma unroll
for (int kiter = 0; kiter < kIters; ++kiter) {
#pragma unroll
for (int s = 0; s < kStages; s++) {
Tensor tSsA = smem_thr_copy_A.partition_S(sA(_, _, s));
consumer_wait(pipeline, smem_pipe_read);
gemm</*wg_wait=*/0>(tiled_mma, tSrA, tSsA, tSrB(_, _, _, s * B_STEPS), tSrS, smem_tiled_copy_A, smem_thr_copy_A);
pipeline.consumer_release(smem_pipe_read);
++smem_pipe_read;
}
}
#pragma unroll
for (int i = 0; i < kTiles % kStages; ++i) {
Tensor tSsA = smem_thr_copy_A.partition_S(sA(_, _, i));
consumer_wait(pipeline, smem_pipe_read);
gemm</*wg_wait=*/0>(tiled_mma, tSrA, tSsA, tSrB(_, _, _, i * B_STEPS), tSrS, smem_tiled_copy_A, smem_thr_copy_A);
pipeline.consumer_release(smem_pipe_read);
++smem_pipe_read;
}
} }
}
}; };

155
custom_ops/gpu_ops/w4afp8_gemm/utils.hpp
View File

@@ -24,116 +24,91 @@
#include <cuda_bf16.h> #include <cuda_bf16.h>
#endif #endif
#include <cute/arch/cluster_sm90.hpp> // For cute::elect_one_sync()
#include <cute/tensor.hpp> #include <cute/tensor.hpp>
#include <cute/arch/cluster_sm90.hpp> // For cute::elect_one_sync()
#include <cutlass/array.h> #include <cutlass/array.h>
#include <cutlass/cutlass.h> #include <cutlass/cutlass.h>
#include <cutlass/numeric_conversion.h> #include <cutlass/numeric_conversion.h>
#include <cutlass/numeric_types.h> #include <cutlass/numeric_types.h>
using namespace cute; using namespace cute;
template <typename T> template<typename T>
struct PackedHalf; struct PackedHalf;
template <> template<>
struct PackedHalf<cutlass::half_t> { struct PackedHalf<cutlass::half_t> {
using Type = __half2; using Type = __half2;
}; };
template <> template<>
struct PackedHalf<cutlass::bfloat16_t> { struct PackedHalf<cutlass::bfloat16_t> {
using Type = nv_bfloat162; using Type = nv_bfloat162;
}; };
template <typename To_type, typename Engine, typename Layout> template <typename To_type, typename Engine, typename Layout>
__forceinline__ __device__ auto convert_type( __forceinline__ __device__ auto convert_type(Tensor<Engine, Layout> const &tensor) {
Tensor<Engine, Layout> const &tensor) { using From_type = typename Engine::value_type;
using From_type = typename Engine::value_type; constexpr int numel = decltype(size(tensor))::value;
constexpr int numel = decltype(size(tensor))::value; cutlass::NumericArrayConverter<To_type, From_type, numel> convert_op;
cutlass::NumericArrayConverter<To_type, From_type, numel> convert_op; auto frag = convert_op(*reinterpret_cast<const cutlass::Array<From_type, numel> *>(tensor.data()));
auto frag = return make_tensor(make_rmem_ptr<To_type>(&frag), tensor.layout());
convert_op(*reinterpret_cast<const cutlass::Array<From_type, numel> *>(
tensor.data()));
return make_tensor(make_rmem_ptr<To_type>(&frag), tensor.layout());
} }
template <int numel> template <int numel>
__forceinline__ __device__ void convert_c4_2_fp8(const int32_t *src, __forceinline__ __device__ void convert_c4_2_fp8(const int32_t * src, int32_t * dst1, int32_t * dst2) {
int32_t *dst1, #pragma unroll
int32_t *dst2) { for (int i = 0; i < numel; ++i) {
#pragma unroll dst1[i] = (src[i] >> 4) & 0x0f0f0f0f;
for (int i = 0; i < numel; ++i) { dst2[i] = src[i] & 0x0f0f0f0f;
uint32_t head1 = src[i] & 0x80808080;
dst1[i] = (src[i] >> 4) & 0x07070707;
dst1[i] = dst1[i] | head1;
uint32_t head2 = (src[i] & 0x08080808) << 4;
dst2[i] = src[i] & 0x07070707;
dst2[i] = dst2[i] | head2;
}
}
template <int wg_wait = 0,
bool arrive = true,
bool commit = true,
typename Tensor0,
typename Tensor1,
typename Tensor2,
typename Tensor3,
typename TiledMma,
typename ThrCopyA,
typename TiledCopyA>
__forceinline__ __device__ void gemm(TiledMma &tiled_mma,
Tensor0 &tCrA,
Tensor1 &tCsA,
Tensor2 const &tCrB,
Tensor3 &tCrC,
TiledCopyA const &tiled_copy_A,
ThrCopyA const &thr_copy_A) {
constexpr bool Is_RS = !cute::is_base_of<cute::GMMA::DescriptorIterator,
typename TiledMma::FrgTypeA>::value;
Tensor tCrA1 = make_tensor<cutlass::float_e4m3_t>(tCrA.layout());
Tensor tCrA2 = make_tensor<cutlass::float_e4m3_t>(tCrA.layout());
if constexpr (Is_RS) {
warpgroup_fence_operand(const_cast<Tensor0 &>(tCrA));
}
warpgroup_fence_operand(tCrC);
if constexpr (arrive) {
warpgroup_arrive();
}
constexpr int numel = decltype(size(tCrA(_, _, 0)))::value / 4;
Tensor tCrA_copy_view = thr_copy_A.retile_D(tCrA);
cute::copy(tiled_copy_A, tCsA(_, _, _0{}), tCrA_copy_view(_, _, _0{}));
CUTLASS_PRAGMA_UNROLL
for (int k_block = 0; k_block < size<2>(tCrA); ++k_block) {
if (k_block < size<2>(tCrA) - 1) {
cute::copy(tiled_copy_A,
tCsA(_, _, k_block + 1),
tCrA_copy_view(_, _, k_block + 1));
} }
int32_t *tCrA_data = }
reinterpret_cast<int32_t *>(tCrA(_, _, k_block).data());
int32_t *tCrA1_data = template <int wg_wait=0, bool arrive=true,
reinterpret_cast<int32_t *>(tCrA1(_, _, k_block).data()); bool commit=true, typename Tensor0, typename Tensor1,
int32_t *tCrA2_data = typename Tensor2, typename Tensor3, typename TiledMma,
reinterpret_cast<int32_t *>(tCrA2(_, _, k_block).data()); typename ThrCopyA, typename TiledCopyA>
convert_c4_2_fp8<numel>(tCrA_data, tCrA1_data, tCrA2_data); __forceinline__ __device__ void gemm(
TiledMma &tiled_mma,
cute::gemm(tiled_mma, tCrA1(_, _, k_block), tCrB(_, _, 2 * k_block), tCrC); Tensor0 &tCrA,
tiled_mma.accumulate_ = GMMA::ScaleOut::One; Tensor1 &tCsA,
cute::gemm( Tensor2 const &tCrB,
tiled_mma, tCrA2(_, _, k_block), tCrB(_, _, 2 * k_block + 1), tCrC); Tensor3 &tCrC,
} TiledCopyA const &tiled_copy_A,
if constexpr (commit) { ThrCopyA const &thr_copy_A) {
warpgroup_commit_batch(); constexpr bool Is_RS = !cute::is_base_of<cute::GMMA::DescriptorIterator, typename TiledMma::FrgTypeA>::value;
} Tensor tCrA1 = make_tensor<cutlass::float_e4m3_t>(tCrA.layout());
if constexpr (wg_wait >= 0) { Tensor tCrA2 = make_tensor<cutlass::float_e4m3_t>(tCrA.layout());
warpgroup_wait<wg_wait>(); if constexpr (Is_RS) { warpgroup_fence_operand(const_cast<Tensor0 &>(tCrA)); }
} warpgroup_fence_operand(tCrC);
warpgroup_fence_operand(tCrC); if constexpr (arrive) {
if constexpr (Is_RS) { warpgroup_arrive();
warpgroup_fence_operand(const_cast<Tensor0 &>(tCrA)); }
} constexpr int numel = decltype(size(tCrA(_, _, 0)))::value / 4;
Tensor tCrA_copy_view = thr_copy_A.retile_D(tCrA);
cute::copy(tiled_copy_A, tCsA(_, _, _0{}), tCrA_copy_view(_, _, _0{}));
CUTLASS_PRAGMA_UNROLL
for (int k_block = 0; k_block < size<2>(tCrA); ++k_block) {
if (k_block < size<2>(tCrA) - 1) {
cute::copy(tiled_copy_A, tCsA(_, _, k_block + 1), tCrA_copy_view(_, _, k_block + 1));
}
int32_t * tCrA_data = reinterpret_cast<int32_t *>(tCrA(_,_,k_block).data());
int32_t * tCrA1_data = reinterpret_cast<int32_t *>(tCrA1(_,_,k_block).data());
int32_t * tCrA2_data = reinterpret_cast<int32_t *>(tCrA2(_,_,k_block).data());
convert_c4_2_fp8<numel>(tCrA_data, tCrA1_data, tCrA2_data);
cute::gemm(tiled_mma, tCrA1(_,_,k_block), tCrB(_,_,2 * k_block), tCrC);
cute::gemm(tiled_mma, tCrA2(_,_,k_block), tCrB(_,_, 2 * k_block + 1), tCrC);
}
if constexpr (commit) {
warpgroup_commit_batch();
}
if constexpr (wg_wait >= 0) { warpgroup_wait<wg_wait>(); }
warpgroup_fence_operand(tCrC);
if constexpr (Is_RS) { warpgroup_fence_operand(const_cast<Tensor0 &>(tCrA)); }
} }

418
custom_ops/gpu_ops/w4afp8_gemm/w4afp8_gemm.cu
View File

@@ -16,179 +16,239 @@
#define PD_BUILD_STATIC_OP(name) PD_BUILD_OP(static_op_##name) #define PD_BUILD_STATIC_OP(name) PD_BUILD_OP(static_op_##name)
#endif #endif
#include "w4afp8_gemm.h"
#include "helper.h" #include "helper.h"
#include "paddle/extension.h" #include "paddle/extension.h"
#include "w4afp8_gemm_template.h" #include "w4afp8_gemm_template.h"
#include "weight_kernel.hpp" #include "w4afp8_gemm.h"
#include "weight_scale_kernel.hpp"
template <typename T>
class NVTraits;
template <> void weight_convert(const uint8_t *weight, uint8_t *weight_new, int batch, int M, int K) {
class NVTraits<__nv_fp8_e4m3> { assert(K % 64 == 0);
public: for (int b = 0; b < batch; ++b) {
typedef cutlass::float_e4m3_t data_t; for (int m = 0; m < M; ++m) {
for (int k = 0; k < K; k+=64) {
for (int k_inner = 0; k_inner < 32; ++k_inner) {
uint8_t temp = 0;
uint8_t left = weight[b * M * K + m * K + k + k_inner];
uint8_t right = weight[b * M * K + m * K + k + k_inner + 32];
temp |= left << 4;
temp |= right;
weight_new[b * M * K / 2 + m * K / 2 + k / 2 + k_inner] = *reinterpret_cast<uint8_t*>(&temp);
}
}
}
}
}
template <typename T> class NVTraits;
template <> class NVTraits<__nv_fp8_e4m3> {
public:
typedef cutlass::float_e4m3_t data_t;
}; };
template <> template <> class NVTraits<__nv_bfloat16>{
class NVTraits<__nv_bfloat16> { public:
public: typedef cutlass::bfloat16_t data_t;
typedef cutlass::bfloat16_t data_t;
}; };
template <> template <> class NVTraits<half>{
class NVTraits<half> { public:
public: typedef cutlass::half_t data_t;
typedef cutlass::half_t data_t;
}; };
template <typename OutputType> template <typename OutputType>
void DisPatchW4AFp8Gemm(const cutlass::float_e4m3_t* input, void DisPatchW4AFp8Gemm(
const cutlass::float_e4m3_t* weight, const cutlass::float_e4m3_t* input,
const int64_t* tokens, const cutlass::float_e4m3_t* weight,
const float* weight_scale, const int64_t * tokens,
const float* input_dequant_scale, const float * input_row_sum,
OutputType* out, const float * weight_scale,
const int64_t token_padding_size, OutputType * out,
const int64_t max_tokens, const int64_t token_padding_size,
const int Experts, const int64_t max_tokens,
const int64_t M, const int batch_size,
const int64_t K, const int64_t M,
const int WeightScaleGroup, const int64_t K,
cudaStream_t stream) { cudaStream_t stream) {
int kBlockN = 256;
if constexpr (std::is_same_v<OutputType, cutlass::bfloat16_t>) { int kBlockN = 256;
GEMM_SWITCH_BF16(M, int TailN = 0;
K, if constexpr (std::is_same_v<OutputType, cutlass::bfloat16_t>) {
Experts, GEMM_SWITCH_BF16(
token_padding_size, M, K, batch_size, token_padding_size, kBlockN, TailN,
kBlockN, weight,
WeightScaleGroup, input,
weight, out,
input, weight_scale,
out, input_row_sum,
weight_scale, tokens,
input_dequant_scale, max_tokens,
tokens, stream)
max_tokens, } else {
stream) PD_THROW("Only supported dtype in ['BFLOAT16'].");
} else { }
PD_THROW("Only supported dtype in ['BFLOAT16'].");
}
} }
std::vector<paddle::Tensor> W4AFp8Gemm( std::vector<paddle::Tensor> W4AFp8Gemm(
const paddle::Tensor& input, const paddle::Tensor& input,
const paddle::Tensor& weight, const paddle::Tensor& weight,
const paddle::Tensor& const paddle::Tensor& tokens, // If tokenpadding=0, this tensor represents the prefix sum of tensors, otherwise it represents the number of tokens in each group
tokens, // If tokenpadding=0, this tensor represents the prefix sum of const paddle::Tensor& input_row_sum,
// tensors, otherwise it represents the number of tokens in const paddle::Tensor& weight_scale,
// each group const int64_t token_padding_size,
const paddle::Tensor& weight_scale, const int64_t max_tokens,
const paddle::optional<paddle::Tensor>& input_dequant_scale, const bool is_bfloat16) {
const int64_t token_padding_size,
const int64_t max_tokens,
const bool is_bfloat16) {
const int Experts = weight.dims()[0];
const int M = weight.dims()[1];
const int K = weight.dims()[2] * 2;
const int WeightScaleGroup =
weight_scale.dims().size() == 2 ? K : weight_scale.dims()[3];
if (input.dtype() != paddle::DataType::FLOAT8_E4M3FN) {
PD_THROW("Only supported dtype in ['FLOAT8_E4M3FN'].");
}
if (token_padding_size == 0) { const int batch_size = weight.dims()[0];
const int all_tokens = input.dims()[0]; const int M = weight.dims()[1];
if (is_bfloat16) { const int K = weight.dims()[2] * 2;
paddle::Tensor out = paddle::empty(
{all_tokens, M}, paddle::DataType::BFLOAT16, input.place()); if (input.dtype() != paddle::DataType::FLOAT8_E4M3FN) {
phi::dtype::bfloat16* out_data = out.data<phi::dtype::bfloat16>(); PD_THROW("Only supported dtype in ['FLOAT8_E4M3FN'].");
DisPatchW4AFp8Gemm(
reinterpret_cast<const cutlass::float_e4m3_t*>(
input.data<phi::dtype::float8_e4m3fn>()),
reinterpret_cast<const cutlass::float_e4m3_t*>(
weight.data<uint8_t>()),
tokens.data<int64_t>(),
weight_scale.data<float>(),
input_dequant_scale
? const_cast<float*>(input_dequant_scale.get().data<float>())
: nullptr,
reinterpret_cast<cutlass::bfloat16_t*>(out_data),
token_padding_size,
max_tokens,
Experts,
M,
K,
WeightScaleGroup,
input.stream());
return {out};
} else {
PD_THROW("Only supported dtype in ['BFLOAT16'].");
} }
} else {
if (is_bfloat16) { if (token_padding_size == 0) {
paddle::Tensor out = paddle::empty({Experts, token_padding_size, M}, const int all_tokens = input.dims()[0];
paddle::DataType::BFLOAT16, if (is_bfloat16) {
input.place()); paddle::Tensor out = paddle::empty({all_tokens, M}, paddle::DataType::BFLOAT16, input.place());
phi::dtype::bfloat16* out_data = out.data<phi::dtype::bfloat16>(); phi::dtype::bfloat16 *out_data = out.data<phi::dtype::bfloat16>();
DisPatchW4AFp8Gemm( DisPatchW4AFp8Gemm(
reinterpret_cast<const cutlass::float_e4m3_t*>( reinterpret_cast<const cutlass::float_e4m3_t*>(input.data<phi::dtype::float8_e4m3fn>()),
input.data<phi::dtype::float8_e4m3fn>()), reinterpret_cast<const cutlass::float_e4m3_t*>(weight.data<uint8_t>()),
reinterpret_cast<const cutlass::float_e4m3_t*>( tokens.data<int64_t>(),
weight.data<uint8_t>()), input_row_sum.data<float>(),
tokens.data<int64_t>(), weight_scale.data<float>(),
weight_scale.data<float>(), reinterpret_cast<cutlass::bfloat16_t*>(out_data),
input_dequant_scale token_padding_size,
? const_cast<float*>(input_dequant_scale.get().data<float>()) max_tokens,
: nullptr, batch_size,
reinterpret_cast<cutlass::bfloat16_t*>(out_data), M,
token_padding_size, K,
max_tokens, input.stream());
Experts, return {out};
M, } else {
K, PD_THROW("Only supported dtype in ['BFLOAT16'].");
WeightScaleGroup, }
input.stream());
return {out};
} else { } else {
PD_THROW("Only supported dtype in ['BFLOAT16']."); if (is_bfloat16) {
paddle::Tensor out = paddle::empty({batch_size, token_padding_size, M}, paddle::DataType::BFLOAT16, input.place());
phi::dtype::bfloat16 * out_data = out.data<phi::dtype::bfloat16>();
DisPatchW4AFp8Gemm(
reinterpret_cast<const cutlass::float_e4m3_t*>(input.data<phi::dtype::float8_e4m3fn>()),
reinterpret_cast<const cutlass::float_e4m3_t*>(weight.data<uint8_t>()),
tokens.data<int64_t>(),
input_row_sum.data<float>(),
weight_scale.data<float>(),
reinterpret_cast<cutlass::bfloat16_t*>(out_data),
token_padding_size,
max_tokens,
batch_size,
M,
K,
input.stream());
return {out};
} else {
PD_THROW("Only supported dtype in ['BFLOAT16'].");
}
} }
}
} }
template <typename InputType, typename OutputType> template <typename InputType, typename OutputType>
void DisPatchW4AFp8GemmWrapper(const InputType* input, void DisPatchW4AFp8GemmWrapper(
const InputType* weight, const InputType* input,
const int64_t* total_rows_before_expert, const InputType* weight,
const float* input_dequant_scale, const int64_t* total_rows_before_expert,
const float* weight_scale, const float* input_row_sum,
OutputType* out, const float* row_scale,
const int64_t token_padding_size, const float* weight_scale,
const int64_t max_tokens, OutputType * out,
const int num_experts, const int64_t token_padding_size,
const int64_t M, const int64_t max_tokens,
const int64_t K, const int num_experts,
const int WeightScaleGroup, const int64_t M,
cudaStream_t stream) { const int64_t K,
using InType = typename NVTraits<InputType>::data_t; cudaStream_t stream) {
using OutType = typename NVTraits<OutputType>::data_t; using InType = typename NVTraits<InputType>::data_t;
DisPatchW4AFp8Gemm(reinterpret_cast<const InType*>(input), using OutType = typename NVTraits<OutputType>::data_t;
reinterpret_cast<const InType*>(weight), DisPatchW4AFp8Gemm(
total_rows_before_expert, reinterpret_cast<const InType*>(input),
weight_scale, reinterpret_cast<const InType*>(weight),
input_dequant_scale, total_rows_before_expert,
reinterpret_cast<OutType*>(out), input_row_sum,
token_padding_size, weight_scale,
max_tokens, reinterpret_cast<OutType*>(out),
num_experts, token_padding_size,
M, max_tokens,
K, num_experts,
WeightScaleGroup, M,
stream); K,
stream);
}
std::vector<paddle::Tensor> W4AFp8GemmWeightConvert(const paddle::Tensor& weight) {
const int batch_size = weight.dims()[0];
const int M = weight.dims()[1];
const int K = weight.dims()[2];
paddle::Tensor weight_new = paddle::empty({batch_size, M, K / 2}, paddle::DataType::UINT8, weight.place());
weight_convert(weight.data<uint8_t>(), weight_new.data<uint8_t>(), batch_size, M, K);
return {weight_new};
}
template <typename T, int kPackSize>
__global__ void permute_scale_kernel(
T* input_data,
const int numel) {
using LoadT = AlignedVector<T, kPackSize>;
LoadT input_vec;
LoadT dst_vec;
const int load_idx = (blockIdx.x * blockDim.x + threadIdx.x) * kPackSize;
if (load_idx >= numel) {
return;
}
Load<T, kPackSize>(&input_data[load_idx], &input_vec);
for (int i = 0; i < kPackSize; i+=2) {
dst_vec[i] = input_vec[i / 2];
dst_vec[i + 1] = input_vec[i / 2 + 8];
}
Store<T, kPackSize>(dst_vec, &input_data[load_idx]);
}
void W4AFp8GemmScalePermute(const paddle::Tensor& scale) {
const int row = scale.dims().size() == 2 ? scale.dims()[0] : 1;
const int col = scale.dims().size() == 2 ? scale.dims()[1] : scale.dims()[0];
if (col % 16 != 0) {
PD_THROW("Only supported when col is divisible by 16.");
}
const int numel = row * col;
const int threads = 128;
const int kPackSize = 16;
const int grid_size = (numel / kPackSize + threads - 1) / threads;
if (scale.dtype() == paddle::DataType::BFLOAT16) {
permute_scale_kernel<phi::dtype::bfloat16, kPackSize><<<grid_size, threads, 0, scale.stream()>>>(
const_cast<phi::dtype::bfloat16*>(scale.data<phi::dtype::bfloat16>()),
numel
);
} else if (scale.dtype() == paddle::DataType::FLOAT16) {
permute_scale_kernel<phi::dtype::float16, kPackSize><<<grid_size, threads, 0, scale.stream()>>>(
const_cast<phi::dtype::float16*>(scale.data<phi::dtype::float16>()),
numel
);
} else if (scale.dtype() == paddle::DataType::FLOAT32) {
permute_scale_kernel<float, kPackSize><<<grid_size, threads, 0, scale.stream()>>>(
const_cast<float*>(scale.data<float>()),
numel
);
}
} }
PD_BUILD_STATIC_OP(w4afp8_gemm_scale_permute) PD_BUILD_STATIC_OP(w4afp8_gemm_scale_permute)
@@ -201,8 +261,8 @@ PD_BUILD_STATIC_OP(w4afp8_gemm)
.Inputs({"input", .Inputs({"input",
"weight", "weight",
"tokens", "tokens",
"weight_scale", "input_row_sum",
paddle::Optional("input_dequant_scale")}) "weight_scale"})
.Outputs({"out"}) .Outputs({"out"})
.Attrs({"token_padding_size: int64_t", .Attrs({"token_padding_size: int64_t",
"max_tokens: int64_t", "max_tokens: int64_t",
@@ -215,31 +275,33 @@ PD_BUILD_STATIC_OP(w4afp8_gemm_weight_convert)
.SetKernelFn(PD_KERNEL(W4AFp8GemmWeightConvert)); .SetKernelFn(PD_KERNEL(W4AFp8GemmWeightConvert));
template void DisPatchW4AFp8GemmWrapper<__nv_fp8_e4m3, __nv_bfloat16>( template void DisPatchW4AFp8GemmWrapper<__nv_fp8_e4m3, __nv_bfloat16>(
const __nv_fp8_e4m3* input, const __nv_fp8_e4m3* input,
const __nv_fp8_e4m3* weight, const __nv_fp8_e4m3* weight,
const int64_t* tokens, const int64_t * tokens,
const float* input_dequant_scale, const float * input_row_sum,
const float* weight_scale, const float * row_scale,
__nv_bfloat16* out, const float * weight_scale,
const int64_t token_padding_size, __nv_bfloat16 * out,
const int64_t max_tokens, const int64_t token_padding_size,
const int num_experts, const int64_t max_tokens,
const int64_t M, const int num_experts,
const int64_t K, const int64_t M,
const int WeightScaleGroup, const int64_t K,
cudaStream_t stream); cudaStream_t stream
);
template void DisPatchW4AFp8GemmWrapper<__nv_fp8_e4m3, half>( template void DisPatchW4AFp8GemmWrapper<__nv_fp8_e4m3, half>(
const __nv_fp8_e4m3* input, const __nv_fp8_e4m3* input,
const __nv_fp8_e4m3* weight, const __nv_fp8_e4m3* weight,
const int64_t* tokens, const int64_t * tokens,
const float* input_dequant_scale, const float * input_row_sum,
const float* weight_scale, const float * row_scale,
half* out, const float * weight_scale,
const int64_t token_padding_size, half * out,
const int64_t max_tokens, const int64_t token_padding_size,
const int num_experts, const int64_t max_tokens,
const int64_t M, const int num_experts,
const int64_t K, const int64_t M,
const int WeightScaleGroup, const int64_t K,
cudaStream_t stream); cudaStream_t stream
);

48
custom_ops/gpu_ops/w4afp8_gemm/w4afp8_gemm.h
View File

@@ -18,30 +18,30 @@
#include <vector> #include <vector>
#include "helper.h" #include "helper.h"
std::vector<paddle::Tensor> W4AFp8Gemm( std::vector<paddle::Tensor> W4AFp8Gemm(
const paddle::Tensor& input, const paddle::Tensor& input,
const paddle::Tensor& weight, const paddle::Tensor& weight,
const paddle::Tensor& const paddle::Tensor& tokens, // If tokenpadding=0, this tensor represents the prefix sum of tensors, otherwise it represents the number of tokens in each group
tokens, // If tokenpadding=0, this tensor represents the prefix sum of const paddle::Tensor& input_row_sum,
// tensors, otherwise it represents the number of tokens in const paddle::Tensor& weight_scale,
// each group const int64_t token_padding_size,
const paddle::Tensor& weight_scale, const int64_t max_tokens,
const paddle::optional<paddle::Tensor>& input_dequant_scale, const bool is_bfloat16);
const int64_t token_padding_size,
const int64_t max_tokens,
const bool is_bfloat16);
template <typename InputType, typename OutputType> template <typename InputType, typename OutputType>
void DisPatchW4AFp8GemmWrapper(const InputType* input, void DisPatchW4AFp8GemmWrapper(
const InputType* weight, const InputType* input,
const int64_t* tokens, const InputType* weight,
const float* input_dequant_scale, const int64_t * tokens,
const float* weight_scale, const float * input_row_sum,
OutputType* out, const float * row_scale,
const int64_t token_padding_size, const float * weight_scale,
const int64_t max_tokens, OutputType * out,
const int num_experts, const int64_t token_padding_size,
const int64_t M, const int64_t max_tokens,
const int64_t K, const int num_experts,
const int WeightScaleGroup, const int64_t M,
cudaStream_t stream); const int64_t K,
cudaStream_t stream);

451
custom_ops/gpu_ops/w4afp8_gemm/w4afp8_gemm_kernel.hpp
View File

@@ -16,280 +16,237 @@
#include "cute/atom/mma_atom.hpp" #include "cute/atom/mma_atom.hpp"
#include "cutlass/gemm/collective/collective_builder.hpp" #include "cutlass/gemm/collective/collective_builder.hpp"
#include "cutlass/arch/reg_reconfig.h"
#include "cutlass/cluster_launch.hpp"
#include "cutlass/cutlass.h" #include "cutlass/cutlass.h"
#include "cutlass/layout/layout.h" #include "cutlass/layout/layout.h"
#include "cutlass/numeric_types.h" #include "cutlass/numeric_types.h"
#include "cutlass/pipeline/pipeline.hpp" #include "cutlass/pipeline/pipeline.hpp"
#include "cutlass/cluster_launch.hpp"
#include "cutlass/arch/reg_reconfig.h"
#include "kernel_traits.h" #include "kernel_traits.h"
#include "mainloop_fwd.h" #include "mainloop_fwd.h"
template <typename Ktraits> template <typename Ktraits>
void __global__ __launch_bounds__(Ktraits::kNWarps *cutlass::NumThreadsPerWarp, void __global__ __launch_bounds__(Ktraits::kNWarps * cutlass::NumThreadsPerWarp, 1) w4afp8_gemm_kernel(
1) CUTE_GRID_CONSTANT typename CollectiveMainloopFwd<Ktraits>::Params const mainloop_params) {
w4afp8_gemm_kernel(
CUTE_GRID_CONSTANT
typename CollectiveMainloopFwd<Ktraits>::Params const mainloop_params) {
using Element = typename Ktraits::Element;
static_assert(cutlass::sizeof_bits_v<Element> == 8);
using TileShape_MNK = typename Ktraits::TileShape_MNK; using Element = typename Ktraits::Element;
using ClusterShape = typename Ktraits::ClusterShape_MNK; static_assert(cutlass::sizeof_bits_v<Element> == 8);
static constexpr int NumMmaThreads = size(typename Ktraits::TiledMma{}); using TileShape_MNK = typename Ktraits::TileShape_MNK;
static constexpr int NumCopyThreads = cutlass::NumThreadsPerWarpGroup; using TileShape_MNK_TAIL = typename Ktraits::TileShape_MNK_TAIL;
static constexpr int kBlockN = Ktraits::kBlockN; using ClusterShape = typename Ktraits::ClusterShape_MNK;
static constexpr int kBlockM = Ktraits::kBlockM;
static constexpr int M = Ktraits::M;
static constexpr int K = Ktraits::K;
static constexpr int TokenPackSize = Ktraits::TokenPackSize;
static constexpr int WeightScaleGroup = Ktraits::WeightScaleGroup;
using CollectiveMainloop = CollectiveMainloopFwd<Ktraits>; static constexpr int NumMmaThreads = size(typename Ktraits::TiledMma{});
static constexpr int NumCopyThreads = cutlass::NumThreadsPerWarpGroup;
static constexpr int kBlockN = Ktraits::kBlockN;
static constexpr int kBlockM = Ktraits::kBlockM;
static constexpr int M = Ktraits::M;
static constexpr int TokenPackSize = Ktraits::TokenPackSize;
static constexpr int TAIL_N = Ktraits::TAIL_N;
using MainloopPipeline = typename Ktraits::MainloopPipeline; using CollectiveMainloop = CollectiveMainloopFwd<Ktraits>;
using PipelineParams = typename MainloopPipeline::Params;
using PipelineState = typename MainloopPipeline::PipelineState;
using ElementOutput = typename Ktraits::ElementOutput;
extern __shared__ char shared_memory[]; using MainloopPipeline = typename Ktraits::MainloopPipeline;
auto &shared_storage = using PipelineParams = typename MainloopPipeline::Params;
*reinterpret_cast<typename Ktraits::SharedStorage *>(shared_memory); using PipelineState = typename MainloopPipeline::PipelineState;
using ElementOutput = typename Ktraits::ElementOutput;
const int bidm = blockIdx.x; extern __shared__ char shared_memory[];
const int bidn = blockIdx.y; auto &shared_storage = *reinterpret_cast<typename Ktraits::SharedStorage*>(shared_memory);
const int bidb = blockIdx.z;
const int tidx = threadIdx.x;
if (tidx == 0) { const int bidm = blockIdx.x;
CollectiveMainloop::prefetch_tma_descriptors(mainloop_params); const int bidn = blockIdx.y;
} const int bidb = blockIdx.z;
const int tidx = threadIdx.x;
// Obtain warp index if (tidx == 0) {
int const warp_group_thread_idx = CollectiveMainloop::prefetch_tma_descriptors(mainloop_params);
threadIdx.x % cutlass::NumThreadsPerWarpGroup;
PipelineParams pipeline_params;
if constexpr (WeightScaleGroup == K) {
pipeline_params.transaction_bytes =
CollectiveMainloop::TmaTransactionBytesA +
CollectiveMainloop::TmaTransactionBytesB;
} else {
pipeline_params.transaction_bytes =
CollectiveMainloop::TmaTransactionBytesA +
CollectiveMainloop::TmaTransactionBytesB +
CollectiveMainloop::TmaTransactionBytesScale;
}
int warp_group_idx = cutlass::canonical_warp_group_idx();
pipeline_params.role = warp_group_idx == 0
? MainloopPipeline::ThreadCategory::Producer
: MainloopPipeline::ThreadCategory::Consumer;
pipeline_params.is_leader = warp_group_thread_idx == 0;
pipeline_params.num_consumers = NumMmaThreads;
MainloopPipeline pipeline(
shared_storage.pipeline, pipeline_params, ClusterShape{});
CollectiveMainloop collective_mainloop;
if constexpr (size(ClusterShape{}) > 1) {
cute::cluster_arrive_relaxed();
cute::cluster_wait();
} else {
__syncthreads();
}
const int pre_fix_tokens =
TokenPackSize == 0 ? (bidb == 0 ? 0 : mainloop_params.tokens[bidb - 1])
: 0;
const int tokens = TokenPackSize == 0
? mainloop_params.tokens[bidb] - pre_fix_tokens
: mainloop_params.tokens[bidb];
if (bidn * kBlockN >= tokens) {
return;
}
const bool is_need_input_scale = mainloop_params.input_scale != nullptr;
float *input_scale =
is_need_input_scale
? reinterpret_cast<float *>(shared_memory +
sizeof(typename Ktraits::SharedStorage))
: nullptr;
if (warp_group_idx == 0) {
cutlass::arch::warpgroup_reg_dealloc<Ktraits::kNWarps == 12 ? 40 : 32>();
PipelineState smem_pipe_write =
cutlass::make_producer_start_state<MainloopPipeline>();
collective_mainloop.load(mainloop_params,
pipeline,
smem_pipe_write,
shared_storage,
tokens,
pre_fix_tokens,
bidm,
bidn,
bidb,
tidx);
} else {
cutlass::arch::warpgroup_reg_alloc<Ktraits::kNWarps == 12 ? 232 : 160>();
PipelineState smem_pipe_read;
typename Ktraits::TiledMma tiled_mma;
const int mma_tidx = tidx - NumCopyThreads;
if (is_need_input_scale) {
if constexpr (TokenPackSize == 0) {
const int input_scale_idx = pre_fix_tokens + bidn * kBlockN;
if (mma_tidx < tokens) {
reinterpret_cast<float *>(input_scale)[mma_tidx] =
reinterpret_cast<const float *>(mainloop_params.input_scale +
input_scale_idx)[mma_tidx];
}
} else {
const int input_scale_idx = bidb * TokenPackSize + bidn * kBlockN;
if (mma_tidx < kBlockN / 4) {
reinterpret_cast<float4 *>(input_scale)[mma_tidx] =
reinterpret_cast<const float4 *>(mainloop_params.input_scale +
input_scale_idx)[mma_tidx];
}
}
} }
float2 weight_scale; // Obtain warp index
int const warp_group_thread_idx = threadIdx.x % cutlass::NumThreadsPerWarpGroup;
if constexpr (WeightScaleGroup == K) { PipelineParams pipeline_params;
weight_scale = reinterpret_cast<const float2 *>( pipeline_params.transaction_bytes = CollectiveMainloop::TmaTransactionBytesA + CollectiveMainloop::TmaTransactionBytesB;
mainloop_params.weight_scale + bidb * M + int warp_group_idx = cutlass::canonical_warp_group_idx();
bidm * kBlockM)[mma_tidx / 4]; pipeline_params.role = warp_group_idx == 0
} ? MainloopPipeline::ThreadCategory::Producer
Tensor tSrS = : MainloopPipeline::ThreadCategory::Consumer;
partition_fragment_C(tiled_mma, select<0, 1>(TileShape_MNK{})); pipeline_params.is_leader = warp_group_thread_idx == 0;
pipeline_params.num_consumers = NumMmaThreads;
if constexpr (WeightScaleGroup == K) { MainloopPipeline pipeline(shared_storage.pipeline, pipeline_params, ClusterShape{});
collective_mainloop.mma(mainloop_params,
tiled_mma, CollectiveMainloop collective_mainloop;
pipeline,
smem_pipe_read, if constexpr (size(ClusterShape{}) > 1) {
shared_storage, cute::cluster_arrive_relaxed();
tSrS, cute::cluster_wait();
mma_tidx);
} else { } else {
collective_mainloop.mma_pipeline(mainloop_params, __syncthreads();
tiled_mma, }
pipeline,
smem_pipe_read, const int pre_fix_tokens = TokenPackSize == 0 ? (bidb == 0 ? 0 : mainloop_params.tokens[bidb - 1]) : 0;
shared_storage,
tSrS, const int tokens = TokenPackSize == 0 ? mainloop_params.tokens[bidb] - pre_fix_tokens : mainloop_params.tokens[bidb];
mma_tidx);
if (bidn * kBlockN >= tokens) {
return;
}
float* input_row_sum = reinterpret_cast<float*>(
shared_memory + sizeof(typename Ktraits::SharedStorage));
if (warp_group_idx == 0) {
cutlass::arch::warpgroup_reg_dealloc<Ktraits::kNWarps == 12 ? 40 : 32>();
PipelineState smem_pipe_write = cutlass::make_producer_start_state<MainloopPipeline>();
collective_mainloop.load(
mainloop_params,
pipeline,
smem_pipe_write,
shared_storage,
tokens,
pre_fix_tokens,
bidm,
bidn,
bidb,
tidx);
} else {
cutlass::arch::warpgroup_reg_alloc<Ktraits::kNWarps == 12 ? 232 : 160>();
PipelineState smem_pipe_read;
typename Ktraits::TiledMma tiled_mma;
typename Ktraits::TiledMma_TAIL tiled_mma_tail;
const int mma_tidx = tidx - NumCopyThreads;
const int lane_id = mma_tidx % 4 * 2;
const float2 weight_scale = reinterpret_cast<const float2*>(mainloop_params.weight_scale + bidb * M + bidm * kBlockM)[mma_tidx / 4];
if constexpr (TokenPackSize == 0) {
const int input_sum_idx = pre_fix_tokens + bidn * kBlockN;
if (mma_tidx < kBlockN) {
reinterpret_cast<float*>(input_row_sum)[mma_tidx] = reinterpret_cast<const float*>(mainloop_params.input_row_sum + input_sum_idx)[mma_tidx];
}
} else {
const int input_sum_idx = bidb * TokenPackSize + bidn * kBlockN;
if (mma_tidx < kBlockN / 4) {
reinterpret_cast<float4*>(input_row_sum)[mma_tidx] = reinterpret_cast<const float4*>(mainloop_params.input_row_sum + input_sum_idx)[mma_tidx];
}
}
const int reamin_tokens = tokens - bidn * kBlockN;
if (TAIL_N > 0 && reamin_tokens < kBlockN) {
Tensor tSrS_tail = partition_fragment_C(tiled_mma_tail, select<0, 1>(TileShape_MNK_TAIL{}));
collective_mainloop.mma<TAIL_N>(
mainloop_params,
tiled_mma_tail,
pipeline,
smem_pipe_read,
shared_storage,
tSrS_tail,
mma_tidx);
collective_mainloop.store<TAIL_N>(
mainloop_params,
tSrS_tail,
shared_storage,
tiled_mma_tail,
input_row_sum + lane_id,
reinterpret_cast<const float*>(&weight_scale),
tokens,
pre_fix_tokens,
bidm,
bidn,
bidb,
mma_tidx);
} else {
Tensor tSrS = partition_fragment_C(tiled_mma, select<0, 1>(TileShape_MNK{}));
collective_mainloop.mma<kBlockN>(
mainloop_params,
tiled_mma,
pipeline,
smem_pipe_read,
shared_storage,
tSrS,
mma_tidx);
collective_mainloop.store<kBlockN>(
mainloop_params,
tSrS,
shared_storage,
tiled_mma,
input_row_sum + lane_id,
reinterpret_cast<const float*>(&weight_scale),
tokens,
pre_fix_tokens,
bidm,
bidn,
bidb,
mma_tidx);
}
} }
collective_mainloop.store(mainloop_params,
tSrS,
shared_storage,
tiled_mma,
reinterpret_cast<const float *>(&weight_scale),
input_scale,
tokens,
pre_fix_tokens,
bidm,
bidn,
bidb,
mma_tidx);
}
} }
template <int Experts> template <int Batch>
auto get_gmem_layout(const int Rows, const int Cols) { auto get_gmem_layout(const int Rows, const int Cols) {
return make_layout(make_shape(static_cast<int64_t>(Rows), return make_layout(
static_cast<int64_t>(Cols), make_shape(
static_cast<int64_t>(Experts)), static_cast<int64_t>(Rows),
make_stride(static_cast<int64_t>(Cols), static_cast<int64_t>(Cols),
cute::_1{}, static_cast<int64_t>(Batch)),
static_cast<int64_t>(Rows * Cols))); make_stride(
static_cast<int64_t>(Cols),
cute::_1{},
static_cast<int64_t>(Rows * Cols)));
} }
template <int Experts>
auto get_scale_layout(const int Rows, const int Cols) { template <typename InputType, typename OutputType, typename Kernel_traits, int M, int K, int Batch, int TokenPackSize>
return make_layout(make_shape(static_cast<int64_t>(Cols), void run_gemm(const InputType * A, const InputType * B, OutputType * C, const float *weight_scale,
static_cast<int64_t>(Rows), const float *input_row_sum, const int64_t * tokens, const int64_t max_tokens, cudaStream_t stream) {
static_cast<int64_t>(Experts)),
make_stride(cute::_1{}, using ElementOutput = typename Kernel_traits::ElementOutput;
static_cast<int64_t>(Cols), using Element = typename Kernel_traits::Element;
static_cast<int64_t>(Rows * Cols))); using CollectiveMainloop = CollectiveMainloopFwd<Kernel_traits>;
} using ClusterShape = typename Kernel_traits::ClusterShape_MNK;
template <typename InputType, constexpr int M_nums = (M + Kernel_traits::kBlockM - 1) / Kernel_traits::kBlockM;
typename OutputType, const int N_nums = (max_tokens + Kernel_traits::kBlockN - 1) / Kernel_traits::kBlockN;
typename Kernel_traits,
int M, typename CollectiveMainloop::Params mainloop_params =
int K, CollectiveMainloop::to_underlying_arguments({
int Experts, static_cast<Element const*>(A),
int TokenPackSize, get_gmem_layout<Batch>(M, K / 2),
int WeightScaleGroup> static_cast<Element const*>(B),
void run_gemm(const InputType *A, get_gmem_layout<Batch>(TokenPackSize == 0 ? max_tokens: TokenPackSize, K),
const InputType *B, static_cast<ElementOutput*>(C),
OutputType *C, get_gmem_layout<Batch>(M, TokenPackSize == 0 ? max_tokens : TokenPackSize),
const float *weight_scale, weight_scale,
const float *input_dequant_scale, input_row_sum,
const int64_t *tokens, tokens
const int max_tokens, });
cudaStream_t stream) {
using ElementOutput = typename Kernel_traits::ElementOutput; void *kernel;
using Element = typename Kernel_traits::Element; kernel = (void *)w4afp8_gemm_kernel<Kernel_traits>;
using CollectiveMainloop = CollectiveMainloopFwd<Kernel_traits>;
using ClusterShape = typename Kernel_traits::ClusterShape_MNK; int smem_size = sizeof(typename Kernel_traits::SharedStorage) + sizeof(float) * Kernel_traits::kBlockN;
constexpr int M_nums = if (smem_size >= 48 * 1024) {
(M + Kernel_traits::kBlockM - 1) / Kernel_traits::kBlockM; cudaFuncSetAttribute(kernel, cudaFuncAttributeMaxDynamicSharedMemorySize, smem_size);
const int N_nums = }
(max_tokens + Kernel_traits::kBlockN - 1) / Kernel_traits::kBlockN;
constexpr int K_scale_nums = K / Kernel_traits::kBlockM; dim3 grid_dims;
static_assert(K % WeightScaleGroup == 0); grid_dims.x = M_nums;
static_assert(WeightScaleGroup == 128 || WeightScaleGroup == K); grid_dims.y = N_nums;
grid_dims.z = Batch;
typename CollectiveMainloop::Params mainloop_params = static constexpr int ctaSize = Kernel_traits::kNWarps * 32;
CollectiveMainloop::to_underlying_arguments( dim3 block_dims(ctaSize);
{static_cast<Element const *>(A), dim3 cluster_dims(size<0>(ClusterShape{}), size<1>(ClusterShape{}), size<2>(ClusterShape{}));
get_gmem_layout<Experts>(M, K / 2), cutlass::ClusterLaunchParams launch_params{grid_dims, block_dims, cluster_dims, smem_size, stream};
static_cast<Element const *>(B), cutlass::launch_kernel_on_cluster(
get_gmem_layout<Experts>( launch_params, kernel, mainloop_params);
TokenPackSize == 0 ? max_tokens : TokenPackSize, K),
static_cast<ElementOutput *>(C),
get_gmem_layout<Experts>(
M, TokenPackSize == 0 ? max_tokens : TokenPackSize),
weight_scale,
get_scale_layout<Experts>(M_nums,
K_scale_nums * Kernel_traits::kBlockM),
input_dequant_scale,
tokens});
void *kernel;
kernel = (void *)w4afp8_gemm_kernel<Kernel_traits>;
int smem_size = sizeof(typename Kernel_traits::SharedStorage) +
Kernel_traits::kBlockN * sizeof(float);
if (smem_size >= 48 * 1024) {
cudaFuncSetAttribute(
kernel, cudaFuncAttributeMaxDynamicSharedMemorySize, smem_size);
}
dim3 grid_dims;
grid_dims.x = M_nums;
grid_dims.y = N_nums;
grid_dims.z = Experts;
static constexpr int ctaSize = Kernel_traits::kNWarps * 32;
dim3 block_dims(ctaSize);
dim3 cluster_dims(size<0>(ClusterShape{}),
size<1>(ClusterShape{}),
size<2>(ClusterShape{}));
cutlass::ClusterLaunchParams launch_params{
grid_dims, block_dims, cluster_dims, smem_size, stream};
cutlass::launch_kernel_on_cluster(launch_params, kernel, mainloop_params);
} }

131
custom_ops/gpu_ops/w4afp8_gemm/weight_kernel.hpp
View File

@@ -1,131 +0,0 @@
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "helper.h"
#include "paddle/extension.h"
void weight_convert(
const uint8_t* weight, uint8_t* weight_new, int experts, int M, int K) {
assert(K % 64 == 0);
for (int b = 0; b < experts; ++b) {
for (int m = 0; m < M; ++m) {
for (int k = 0; k < K; k += 64) {
for (int k_inner = 0; k_inner < 32; ++k_inner) {
uint8_t temp = 0;
uint8_t left = weight[b * M * K + m * K + k + k_inner];
uint8_t right = weight[b * M * K + m * K + k + k_inner + 32];
temp |= left << 4;
temp |= right;
weight_new[b * M * K / 2 + m * K / 2 + k / 2 + k_inner] =
*reinterpret_cast<uint8_t*>(&temp);
}
}
}
}
}
__global__ void weight_permute_interleave_kernelw4afp8(const int8_t* input_data,
int8_t* output_data,
const int original_k,
const int original_n) {
const int numel = original_k * original_n / 4;
const int pack_group_size = 64;
const int thread_group_size = pack_group_size / 4; // 16
const int thread_k_stride = original_k / 4;
const int linear_idx = blockIdx.x * blockDim.x + threadIdx.x;
if (linear_idx >= numel) return;
const int n_id = linear_idx / thread_k_stride;
const int k_id = linear_idx % thread_k_stride;
const int k_group_idx = k_id / thread_group_size;
const int k_idx_in_group = k_id % thread_group_size;
const int8_t* src = input_data +
k_group_idx * pack_group_size / 2 * original_n +
k_idx_in_group * original_n + n_id;
int8_t tmp0 = src[0];
int8_t tmp1 = src[pack_group_size / 4 * original_n];
int8_t tmp00 = (tmp0 & 0xF0) + 112;
int8_t tmp01 = ((tmp0 << 4) & 0xF0) + 112;
int8_t tmp10 = (tmp1 & 0xF0) + 112;
int8_t tmp11 = ((tmp1 << 4) & 0xF0) + 112;
uint8_t utmp00 = *(reinterpret_cast<uint8_t*>(&tmp00));
uint8_t utmp01 = *(reinterpret_cast<uint8_t*>(&tmp01));
uint8_t utmp10 = *(reinterpret_cast<uint8_t*>(&tmp10));
uint8_t utmp11 = *(reinterpret_cast<uint8_t*>(&tmp11));
utmp00 = (utmp00 & 0xF0) >> 4;
utmp01 = (utmp01 & 0xF0) >> 4;
utmp10 = (utmp10 & 0xF0) >> 4;
utmp11 = (utmp11 & 0xF0) >> 4;
tmp00 = *(reinterpret_cast<int8_t*>(&utmp00)) - 7;
tmp01 = *(reinterpret_cast<int8_t*>(&utmp01)) - 7;
tmp10 = *(reinterpret_cast<int8_t*>(&utmp10)) - 7;
tmp11 = *(reinterpret_cast<int8_t*>(&utmp11)) - 7;
if (tmp00 <= 0) {
tmp00 = 8 - tmp00;
}
if (tmp01 <= 0) {
tmp01 = 8 - tmp01;
}
if (tmp10 <= 0) {
tmp10 = 8 - tmp10;
}
if (tmp11 <= 0) {
tmp11 = 8 - tmp11;
}
int8_t dst0 = (tmp01 << 4) | tmp11;
int8_t dst1 = (tmp00 << 4) | tmp10;
int8_t* dst = output_data + n_id * original_k / 2 +
(k_group_idx * pack_group_size / 2) + k_idx_in_group * 2;
dst[0] = dst0;
dst[1] = dst1;
}
std::vector<paddle::Tensor> W4AFp8GemmWeightConvert(
const paddle::Tensor& weight) {
if (weight.place() == paddle::CPUPlace()) {
const int experts = weight.dims()[0];
const int M = weight.dims()[1];
const int K = weight.dims()[2];
paddle::Tensor weight_new = paddle::empty(
{experts, M, K / 2}, paddle::DataType::UINT8, weight.place());
weight_convert(
weight.data<uint8_t>(), weight_new.data<uint8_t>(), experts, M, K);
return {weight_new};
} else {
const int original_k = weight.dims()[0] * 2;
const int original_n = weight.dims()[1];
paddle::Tensor weight_new =
paddle::empty(weight.shape(), paddle::DataType::INT8, weight.place());
const int block_dim = 256;
const int original_numel = original_k * original_n;
const int grid_size = (original_numel + block_dim - 1) / block_dim;
weight_permute_interleave_kernelw4afp8<<<grid_size, block_dim>>>(
weight.data<int8_t>(),
weight_new.data<int8_t>(),
original_k,
original_n);
return {weight_new};
}
}

63
custom_ops/gpu_ops/w4afp8_gemm/weight_scale_kernel.hpp
View File

@@ -1,63 +0,0 @@
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "helper.h"
#include "paddle/extension.h"
template <typename T, int kPackSize>
__global__ void permute_scale_kernel(T* input_data, const int numel) {
using LoadT = AlignedVector<T, kPackSize>;
LoadT input_vec;
LoadT dst_vec;
const int load_idx = (blockIdx.x * blockDim.x + threadIdx.x) * kPackSize;
if (load_idx >= numel) {
return;
}
Load<T, kPackSize>(&input_data[load_idx], &input_vec);
for (int i = 0; i < kPackSize; i += 2) {
dst_vec[i] = input_vec[i / 2];
dst_vec[i + 1] = input_vec[i / 2 + 8];
}
Store<T, kPackSize>(dst_vec, &input_data[load_idx]);
}
void W4AFp8GemmScalePermute(const paddle::Tensor& scale) {
const int row = scale.dims().size() == 2 ? scale.dims()[0] : 1;
const int col = scale.dims().size() == 2 ? scale.dims()[1] : scale.dims()[0];
if (col % 16 != 0) {
PD_THROW("Only supported when col is divisible by 16.");
}
const int numel = row * col;
const int threads = 128;
const int kPackSize = 16;
const int grid_size = (numel / kPackSize + threads - 1) / threads;
if (scale.dtype() == paddle::DataType::BFLOAT16) {
permute_scale_kernel<phi::dtype::bfloat16, kPackSize>
<<<grid_size, threads, 0, scale.stream()>>>(
const_cast<phi::dtype::bfloat16*>(
scale.data<phi::dtype::bfloat16>()),
numel);
} else if (scale.dtype() == paddle::DataType::FLOAT16) {
permute_scale_kernel<phi::dtype::float16, kPackSize>
<<<grid_size, threads, 0, scale.stream()>>>(
const_cast<phi::dtype::float16*>(scale.data<phi::dtype::float16>()),
numel);
} else if (scale.dtype() == paddle::DataType::FLOAT32) {
permute_scale_kernel<float, kPackSize>
<<<grid_size, threads, 0, scale.stream()>>>(
const_cast<float*>(scale.data<float>()), numel);
}
}

109
custom_ops/utils/auto_gen_w4afp8_gemm_kernel.py
View File

@@ -11,8 +11,6 @@
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and # See the License for the specific language governing permissions and
# limitations under the License. # limitations under the License.
import os
import re
file_dir = "./gpu_ops/w4afp8_gemm/" file_dir = "./gpu_ops/w4afp8_gemm/"
@@ -32,12 +30,12 @@ gemm_template_head = """
#include <cutlass/numeric_types.h> #include <cutlass/numeric_types.h>
""" """
gemm_template_case = """ gemm_template_case = """
void w4afp8_gemm_M{M}_N{N}_G{GROUPSIZE}_K{K}_E{EXPERTS}_P{PADDING}_{TYPE}( void w4afp8_gemm_M{M}_N{N}_TAILN{TAILN}_K{K}_B{BATCH}_P{PADDING}_{TYPE}(
const cutlass::float_e4m3_t * weight, const cutlass::float_e4m3_t * weight,
const cutlass::float_e4m3_t * input, const cutlass::float_e4m3_t * input,
{cutlass_type} * out, {cutlass_type} * out,
const float *weight_scale, const float *weight_scale,
const float * input_dequant_scale, const float *input_row_sum,
const int64_t *tokens, const int64_t *tokens,
const int64_t max_tokens, const int64_t max_tokens,
cudaStream_t stream); cudaStream_t stream);
@@ -50,22 +48,22 @@ gemm_template_cu_head = """
""" """
gemm_template_cu_template = """ gemm_template_cu_template = """
void w4afp8_gemm_M{M}_N{N}_G{GROUPSIZE}_K{K}_E{EXPERTS}_P{PADDING}_{TYPE}( void w4afp8_gemm_M{M}_N{N}_TAILN{TAILN}_K{K}_B{BATCH}_P{PADDING}_{TYPE}(
const cutlass::float_e4m3_t * weight, const cutlass::float_e4m3_t * weight,
const cutlass::float_e4m3_t * input, const cutlass::float_e4m3_t * input,
{cutlass_type} * out, {cutlass_type} * out,
const float *weight_scale, const float *weight_scale,
const float * input_dequant_scale, const float *input_row_sum,
const int64_t *tokens, const int64_t *tokens,
const int64_t max_tokens, const int64_t max_tokens,
cudaStream_t stream) {{ cudaStream_t stream) {{
constexpr static int M = {M}; constexpr static int M = {M};
constexpr static int K = {K}; constexpr static int K = {K};
constexpr static int EXPERTS = {EXPERTS}; constexpr static int Batch = {BATCH};
constexpr static int TokenPackSize = {PADDING}; constexpr static int TokenPackSize = {PADDING};
constexpr static int kBlockN = {N}; constexpr static int kBlockN = {N};
constexpr static int kGroupSize = {GROUPSIZE}; constexpr static int kBlockN_TAIL = {TAILN};
constexpr static int kBlockM = 128; constexpr static int kBlockM = 128;
constexpr static int kBlockK = 128; constexpr static int kBlockK = 128;
constexpr static int kNWarps = 4 + kBlockM / 16; constexpr static int kNWarps = 4 + kBlockM / 16;
@@ -76,24 +74,22 @@ void w4afp8_gemm_M{M}_N{N}_G{GROUPSIZE}_K{K}_E{EXPERTS}_P{PADDING}_{TYPE}(
using Kernel_traits = Kernel_traits< using Kernel_traits = Kernel_traits<
kBlockM, kBlockN, kBlockK, kNWarps, kStages, kTiles, kBlockM, kBlockN, kBlockK, kNWarps, kStages, kTiles,
M, K, TokenPackSize, kGroupSize, kCluster, cutlass::float_e4m3_t, M, TokenPackSize, kBlockN_TAIL, kCluster, cutlass::float_e4m3_t,
{cutlass_type}>; {cutlass_type}>;
run_gemm<cutlass::float_e4m3_t, {cutlass_type}, run_gemm<cutlass::float_e4m3_t, {cutlass_type},
Kernel_traits, M, K, EXPERTS, TokenPackSize, kGroupSize> Kernel_traits, M, K, Batch, TokenPackSize>
(weight, input, out, weight_scale, input_dequant_scale, tokens, max_tokens, stream); (weight, input, out, weight_scale,
input_row_sum, tokens, max_tokens, stream);
}} }}
""" """
# [M, K, Number of experts, token Padding Size, weight K group size]
gemm_case = [ gemm_case = [
[8192, 3584, 16, 0, 128], # eb45T ffn1 [8192, 3584, 8, 0], # eb45T ffn1
[8192, 3584, 16, 512, 128], # eb45T ffn1 [8192, 3584, 8, 2048], # eb45T ffn1
[7168, 8192, 16, 0, 128], # eb45T ffn2 [7168, 8192, 8, 0], # eb45T ffn2
[7168, 8192, 16, 512, 128], # eb45T ffn2 [7168, 8192, 8, 2048], # eb45T ffn2
[1792, 8192, 64, 0, 8192], # eb45t ffn1 [1792, 8192, 64, 0], # eb45t ffn1
[8192, 896, 64, 0, 896], # eb45t ffn2 [8192, 896, 64, 0], # eb45t ffn2
[1792, 8192, 64, 0, 128], # eb45t ffn1
[8192, 896, 64, 0, 128], # eb45t ffn2
] ]
dtype = ["BF16"] dtype = ["BF16"]
@@ -101,19 +97,6 @@ dtype = ["BF16"]
use_fast_compile = True use_fast_compile = True
n_range = [256] if use_fast_compile else [i for i in range(16, 257, 16)] n_range = [256] if use_fast_compile else [i for i in range(16, 257, 16)]
all_cu_files = []
for type in dtype:
for case in gemm_case:
for n in n_range:
all_cu_files.append(f"w4afp8_gemm_M{case[0]}_N{n}_G{case[4]}_K{case[1]}_E{case[2]}_P{case[3]}_{type}.cu")
for file_path, empty_list, file_name_list in os.walk(file_dir):
for file_name in file_name_list:
if re.match(r"^w4afp8_gemm_M\d+_N\d+_.*\.cu$", file_name):
if file_name not in all_cu_files:
print("delete w4afp8 kernel file", file_path + file_name)
os.remove(file_path + file_name)
def get_cutlass_type(type): def get_cutlass_type(type):
if type == "BF16": if type == "BF16":
@@ -133,16 +116,28 @@ for type in dtype:
M=case[0], M=case[0],
K=case[1], K=case[1],
N=n, N=n,
EXPERTS=case[2], BATCH=case[2],
TYPE=type, TYPE=type,
PADDING=case[3], PADDING=case[3],
GROUPSIZE=case[4], TAILN=0,
cutlass_type=get_cutlass_type(type),
)
)
template_head_file.write(
gemm_template_case.format(
M=case[0],
K=case[1],
N=256,
BATCH=case[2],
TYPE=type,
PADDING=case[3],
TAILN=n - 16,
cutlass_type=get_cutlass_type(type), cutlass_type=get_cutlass_type(type),
) )
) )
template_cu_file = open( template_cu_file = open(
f"{file_dir}w4afp8_gemm_M{case[0]}_N{n}_G{case[4]}_K{case[1]}_E{case[2]}_P{case[3]}_{type}.cu", "w" f"{file_dir}w4afp8_gemm_M{case[0]}_N{n}_TAILN{0}_K{case[1]}_B{case[2]}_P{case[3]}_{type}.cu", "w"
) )
template_cu_file.write(gemm_template_cu_head) template_cu_file.write(gemm_template_cu_head)
template_cu_file.write( template_cu_file.write(
@@ -150,10 +145,29 @@ for type in dtype:
M=case[0], M=case[0],
K=case[1], K=case[1],
N=n, N=n,
EXPERTS=case[2], BATCH=case[2],
TYPE=type, TYPE=type,
PADDING=case[3], PADDING=case[3],
GROUPSIZE=case[4], TAILN=0,
cutlass_type=get_cutlass_type(type),
)
)
template_cu_file.close()
template_cu_file = open(
f"{file_dir}w4afp8_gemm_M{case[0]}_N{256}_TAILN{n-16}_K{case[1]}_B{case[2]}_P{case[3]}_{type}.cu", "w"
)
template_cu_file.write(gemm_template_cu_head)
template_cu_file.write(
gemm_template_cu_template.format(
M=case[0],
K=case[1],
N=256,
BATCH=case[2],
TYPE=type,
PADDING=case[3],
TAILN=n - 16,
cutlass_type=get_cutlass_type(type), cutlass_type=get_cutlass_type(type),
) )
) )
@@ -163,8 +177,8 @@ for type in dtype:
for type in dtype: for type in dtype:
template_head_file.write("\n") template_head_file.write("\n")
template_head_file.write( template_head_file.write(
"""#define GEMM_SWITCH_{TYPE}(_M, _K, _EXPERTS, _TokenPaddingSize, _kBlockN, _GROUPSIZE, ...) {{ \\ """#define GEMM_SWITCH_{TYPE}(_M, _K, _BATCH, _TokenPaddingSize, _kBlockN, _TailN, ...) {{ \\
if (_M == 0 && _K == 0 && _EXPERTS == 0 && _TokenPaddingSize == 0 && _kBlockN == 0 && _GROUPSIZE == 0) {{ \\""".format( if (_M == 0 && _K == 0 && _BATCH == 0 && _TokenPaddingSize == 0 && _kBlockN == 0 && _TailN == 0) {{ \\""".format(
TYPE=type TYPE=type
) )
) )
@@ -174,16 +188,23 @@ for type in dtype:
for case in gemm_case: for case in gemm_case:
for n in n_range: for n in n_range:
template_head_file.write( template_head_file.write(
""" }} else if (_M == {M} && _K == {K} && _EXPERTS == {EXPERTS} && _TokenPaddingSize == {PADDING} && _kBlockN == {N} && _GROUPSIZE == {GROUPSIZE}) {{ \\ """ }} else if (_M == {M} && _K == {K} && _BATCH == {BATCH} && _TokenPaddingSize == {PADDING} && _kBlockN == {N} && _TailN == {TAILN}) {{ \\
w4afp8_gemm_M{M}_N{N}_G{GROUPSIZE}_K{K}_E{EXPERTS}_P{PADDING}_{TYPE}(__VA_ARGS__); \\""".format( w4afp8_gemm_M{M}_N{N}_TAILN{TAILN}_K{K}_B{BATCH}_P{PADDING}_{TYPE}(__VA_ARGS__); \\""".format(
M=case[0], K=case[1], N=n, EXPERTS=case[2], TYPE=type, PADDING=case[3], GROUPSIZE=case[4] M=case[0], K=case[1], N=n, BATCH=case[2], TYPE=type, PADDING=case[3], TAILN=0
)
)
template_head_file.write("\n")
template_head_file.write(
""" }} else if (_M == {M} && _K == {K} && _BATCH == {BATCH} && _TokenPaddingSize == {PADDING} && _kBlockN == {N} && _TailN == {TAILN}) {{ \\
w4afp8_gemm_M{M}_N{N}_TAILN{TAILN}_K{K}_B{BATCH}_P{PADDING}_{TYPE}(__VA_ARGS__); \\""".format(
M=case[0], K=case[1], N=256, BATCH=case[2], TYPE=type, PADDING=case[3], TAILN=n - 16
) )
) )
template_head_file.write("\n") template_head_file.write("\n")
template_head_file.write( template_head_file.write(
""" } else { \\ """ } else { \\
PADDLE_THROW(phi::errors::Unimplemented("W4aFp8 not supported m=%d k=%d experts=%d token_padding_size=%d kBlockN=%d groupsize=%d\\n", _M, _K, _EXPERTS, _TokenPaddingSize, _kBlockN, _GROUPSIZE)); \\ PADDLE_THROW(phi::errors::Unimplemented("W4aFp8 not supported m=%d k=%d batch=%d token_padding_size=%d kBlockN=%d tailN=%d\\n", _M, _K, _BATCH, _TokenPaddingSize, _kBlockN, _TailN)); \\
} \\ } \\
}""" }"""
) )

123
fastdeploy/model_executor/layers/moe/fused_moe_cutlass_backend.py
View File

@@ -30,10 +30,7 @@ if current_platform.is_cuda():
from fastdeploy.model_executor.ops.gpu import moe_expert_dispatch, moe_expert_reduce from fastdeploy.model_executor.ops.gpu import moe_expert_dispatch, moe_expert_reduce
try: try:
from fastdeploy.model_executor.ops.gpu import ( from fastdeploy.model_executor.ops.gpu import w4afp8_gemm_scale_permute
w4afp8_gemm_scale_permute,
w4afp8_gemm_weight_convert,
)
except: except:
logger.warning("import w4afp8_gemm_scale_permute Failed!") logger.warning("import w4afp8_gemm_scale_permute Failed!")
elif current_platform.is_iluvatar(): elif current_platform.is_iluvatar():
@@ -78,7 +75,6 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
expert_idx_per_token: paddle.Tensor, expert_idx_per_token: paddle.Tensor,
used_in_ep_low_latency: bool = False, used_in_ep_low_latency: bool = False,
estimate_total_token_nums: int = -1, estimate_total_token_nums: int = -1,
dequant_scale: paddle.Tensor = None,
): ):
""" """
Paddle Cutlass compute Fused MoE. Paddle Cutlass compute Fused MoE.
@@ -104,7 +100,7 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
token_nums_per_expert, token_nums_per_expert,
getattr(layer, self.added_weight_attrs[0]), getattr(layer, self.added_weight_attrs[0]),
getattr(layer, self.added_weight_attrs[1]), getattr(layer, self.added_weight_attrs[1]),
dequant_scale, # None,
(layer.up_gate_proj_bias if hasattr(layer, "up_gate_proj_bias") else None), (layer.up_gate_proj_bias if hasattr(layer, "up_gate_proj_bias") else None),
(layer.up_gate_proj_weight_scale if hasattr(layer, "up_gate_proj_weight_scale") else None), (layer.up_gate_proj_weight_scale if hasattr(layer, "up_gate_proj_weight_scale") else None),
(layer.down_proj_weight_scale if hasattr(layer, "down_proj_weight_scale") else None), (layer.down_proj_weight_scale if hasattr(layer, "down_proj_weight_scale") else None),
@@ -116,7 +112,6 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
getattr(layer.moe_quant_config, "hadamard_block_size", 128), getattr(layer.moe_quant_config, "hadamard_block_size", 128),
layer.activation, layer.activation,
) )
if layer.with_bias: if layer.with_bias:
down_proj_bias_expand = paddle.index_select(layer.down_proj_bias, expert_idx_per_token, axis=0) down_proj_bias_expand = paddle.index_select(layer.down_proj_bias, expert_idx_per_token, axis=0)
ffn_out_without_down_proj_bias = paddle.add(ffn_out_without_down_proj_bias, down_proj_bias_expand) ffn_out_without_down_proj_bias = paddle.add(ffn_out_without_down_proj_bias, down_proj_bias_expand)
@@ -265,7 +260,6 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
topk_weights, topk_weights,
topk_idx, topk_idx,
expert_idx_per_token, expert_idx_per_token,
dequant_scale,
) = moe_expert_dispatch( ) = moe_expert_dispatch(
x, x,
gate_out, gate_out,
@@ -286,21 +280,19 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
topk_weights, topk_weights,
topk_idx, topk_idx,
expert_idx_per_token, expert_idx_per_token,
dequant_scale,
) = moe_expert_dispatch( ) = moe_expert_dispatch(
x, x,
gate_out, gate_out,
layer.gate_correction_bias, layer.gate_correction_bias,
(layer.up_gate_proj_in_scale if hasattr(layer, "up_gate_proj_in_scale") else None), (
layer.up_gate_proj_in_scale if hasattr(layer, "up_gate_proj_in_scale") else None
), # if set, permute_input will be int8_t
layer.top_k, layer.top_k,
False, False,
self.moe_quant_type, self.moe_quant_type,
topk_only_mode=False, topk_only_mode=False,
) )
if hasattr(layer, "up_gate_proj_in_scale"):
dequant_scale = None
if not layer.with_bias and self.moe_quant_type != "w4a8" and self.moe_quant_type != "w4afp8": if not layer.with_bias and self.moe_quant_type != "w4a8" and self.moe_quant_type != "w4afp8":
# only w4a8 need expert_idx_per_token # only w4a8 need expert_idx_per_token
# Other need not this tensor, so we make it None. # Other need not this tensor, so we make it None.
@@ -308,9 +300,7 @@ class CutlassMoEMethod(UnquantizedFusedMoEMethod):
else: else:
expert_idx_per_token = expert_idx_per_token.cast("int64") expert_idx_per_token = expert_idx_per_token.cast("int64")
ffn_out = self.compute_ffn( ffn_out = self.compute_ffn(layer, permute_input, token_nums_per_expert, expert_idx_per_token)
layer, permute_input, token_nums_per_expert, expert_idx_per_token, False, -1, dequant_scale
)
# reduce 中会做 topk 个 weight 的 norm 和 routed_scaling_factor # reduce 中会做 topk 个 weight 的 norm 和 routed_scaling_factor
fused_moe_out = moe_expert_reduce( fused_moe_out = moe_expert_reduce(
@@ -855,7 +845,7 @@ class CutlassW4AFP8MoEMethod(CutlassMoEMethod):
weight_name = self.added_weight_attrs[idx] weight_name = self.added_weight_attrs[idx]
weight_list = [] weight_list = []
for i in range(layer.num_local_experts): for i in range(layer.num_local_experts):
quant_weight = w4afp8_gemm_weight_convert(weight_tensor[i]) quant_weight, scale = weight_quantize(weight_tensor[i], algo=self.moe_quant_type, arch=80)
weight_list.append(quant_weight) weight_list.append(quant_weight)
quanted_weight = paddle.stack(weight_list, axis=0) quanted_weight = paddle.stack(weight_list, axis=0)
getattr(layer, weight_name).set_value(quanted_weight) getattr(layer, weight_name).set_value(quanted_weight)
@@ -885,29 +875,16 @@ class CutlassW4AFP8MoEMethod(CutlassMoEMethod):
) )
# in_scales # in_scales
if not layer.moe_quant_config.moe_dynamic_quant: for in_scale_name in ["up_gate_proj_in_scale", "down_proj_in_scale"]:
for in_scale_name in ["up_gate_proj_in_scale", "down_proj_in_scale"]: setattr(
setattr( layer,
layer, in_scale_name,
in_scale_name, layer.create_parameter(
layer.create_parameter( shape=[layer.num_local_experts],
shape=[layer.num_local_experts], dtype="float32",
dtype="float32", default_initializer=paddle.nn.initializer.Constant(0),
default_initializer=paddle.nn.initializer.Constant(0), ),
), )
)
else:
if layer.ep_size > 1:
for in_scale_name in ["up_gate_proj_in_scale"]:
setattr(
layer,
in_scale_name,
layer.create_parameter(
shape=[layer.num_local_experts],
dtype="float32",
default_initializer=paddle.nn.initializer.Constant(0),
),
)
# weight_scales # weight_scales
setattr( setattr(
@@ -965,57 +942,10 @@ class CutlassW4AFP8MoEMethod(CutlassMoEMethod):
return weight_scale return weight_scale
def _process_weight_scale(name: str, weight_scales: list[paddle.Tensor], processed_in_scale: paddle.Tensor): def _process_weight_scale(name: str, weight_scales: list[paddle.Tensor], processed_in_scale: paddle.Tensor):
if processed_in_scale is not None: processed_weight_scale = (
processed_weight_scale = paddle.stack(weight_scales, axis=0) / (448 * 7 * 2 ** (-9)) paddle.stack(weight_scales, axis=0) / (448 * 7 * 2 ** (-9)) / processed_in_scale[:, None]
if len(processed_weight_scale.shape) == 3: )
processed_weight_scale = ( processed_weight_scale = _permute_weight_scale(processed_weight_scale)
processed_weight_scale.transpose([0, 2, 1]) / processed_in_scale[:, None, None]
)
else:
processed_weight_scale = processed_weight_scale / processed_in_scale[:, None]
else:
processed_weight_scale = paddle.stack(weight_scales, axis=0) / (448 * 7 * 2 ** (-9))
if len(processed_weight_scale.shape) == 3:
if name == "up_gate_proj_weight_scale" and processed_weight_scale.shape[-1] * 128 != layer.hidden_size:
assert (
layer.hidden_size // 128 % processed_weight_scale.shape[-1] == 0
), "weight_scale_group_size must be a multiple of 128"
# If it is a multiple of 128, repeat to 128
processed_weight_scale = processed_weight_scale.repeat_interleave(
layer.hidden_size // 128 // processed_weight_scale.shape[-1], axis=-1
)
elif (
name == "down_proj_weight_scale"
and processed_weight_scale.shape[-1] * 128 != layer.moe_intermediate_size
):
assert (
layer.moe_intermediate_size // 128 % processed_weight_scale.shape[-1] == 0
), "weight_scale_group_size must be a multiple of 128"
# If it is a multiple of 128, repeat to 128
processed_weight_scale = processed_weight_scale.repeat_interleave(
layer.moe_intermediate_size // 128 // processed_weight_scale.shape[-1], axis=-1
)
origin_shape = processed_weight_scale.shape
processed_weight_scale = processed_weight_scale.transpose([0, 2, 1])
processed_weight_scale = processed_weight_scale.reshape([-1, processed_weight_scale.shape[-1]])
processed_weight_scale = _permute_weight_scale(processed_weight_scale)
processed_weight_scale = processed_weight_scale.reshape(
[origin_shape[0], origin_shape[2], origin_shape[1] // 128, 128]
)
processed_weight_scale = processed_weight_scale.transpose([0, 2, 1, 3])
setattr(
layer,
name,
layer.create_parameter(
shape=processed_weight_scale.shape,
dtype="float32",
default_initializer=paddle.nn.initializer.Constant(0),
),
)
else:
processed_weight_scale = _permute_weight_scale(processed_weight_scale)
getattr(layer, name).set_value(processed_weight_scale) getattr(layer, name).set_value(processed_weight_scale)
# 1. Init scale containers and maps # 1. Init scale containers and maps
@@ -1062,15 +992,16 @@ class CutlassW4AFP8MoEMethod(CutlassMoEMethod):
scale_tensor = _extract_scale_tensor(layer, state_dict, scale_key_template, expert_idx) scale_tensor = _extract_scale_tensor(layer, state_dict, scale_key_template, expert_idx)
scale_weight_map[name].append(scale_tensor) scale_weight_map[name].append(scale_tensor)
# 3. Process scale tensor and set to layer
in_scales = []
for in_scale_name in ["up_gate_proj_in_scale", "down_proj_in_scale"]:
in_scales.append(_process_in_scale(in_scale_name, scale_weight_map[in_scale_name]))
for i, weight_scale_name in enumerate(["up_gate_proj_weight_scale", "down_proj_weight_scale"]): for i, weight_scale_name in enumerate(["up_gate_proj_weight_scale", "down_proj_weight_scale"]):
in_scale_name = weight_scale_name.replace("_weight_scale", "_in_scale")
in_scale = None
if hasattr(layer, in_scale_name) and in_scale_name in scale_weight_map.keys():
in_scale = _process_in_scale(in_scale_name, scale_weight_map[in_scale_name])
_process_weight_scale( _process_weight_scale(
weight_scale_name, weight_scale_name,
scale_weight_map[weight_scale_name], scale_weight_map[weight_scale_name],
in_scale, in_scales[i],
) )

1
fastdeploy/model_executor/layers/moe/fused_moe_wint2_backend.py
View File

@@ -275,7 +275,6 @@ class CutlassWint2FusedMoeMethod(Wint2MoeMethod):
topk_weights, topk_weights,
topk_idx, topk_idx,
expert_idx_per_token, expert_idx_per_token,
dequant_scale,
) = moe_expert_dispatch( ) = moe_expert_dispatch(
x, x,
gate_out, gate_out,

3
fastdeploy/model_executor/layers/quantization/mix_quant.py
View File

@@ -39,7 +39,6 @@ class MixQuantConfig(QuantConfigBase):
is_permuted: bool = True, is_permuted: bool = True,
is_quantized: bool = False, is_quantized: bool = False,
hadamard_block_size: int = 128, hadamard_block_size: int = 128,
moe_dynamic_quant: bool = False,
) -> None: ) -> None:
super().__init__() super().__init__()
self.dense_quant_type = dense_quant_type self.dense_quant_type = dense_quant_type
@@ -58,7 +57,6 @@ class MixQuantConfig(QuantConfigBase):
self.is_checkpoint_bf16 = not is_quantized self.is_checkpoint_bf16 = not is_quantized
self.is_quantized = is_quantized self.is_quantized = is_quantized
self.hadamard_block_size = hadamard_block_size self.hadamard_block_size = hadamard_block_size
self.moe_dynamic_quant = moe_dynamic_quant
def name(self) -> str: def name(self) -> str:
return "mix_quant" return "mix_quant"
@@ -75,7 +73,6 @@ class MixQuantConfig(QuantConfigBase):
config.get("is_permuted", True), config.get("is_permuted", True),
config.get("is_quantized", False), config.get("is_quantized", False),
config.get("hadamard_block_size", 128), config.get("hadamard_block_size", 128),
config.get("moe_dynamic_quant", False),
) )
def get_quant_method(self, layer) -> Optional[QuantMethodBase]: def get_quant_method(self, layer) -> Optional[QuantMethodBase]:

59
tests/operators/test_w4afp8_gemm.py
View File

@@ -17,20 +17,16 @@ import unittest
import numpy as np import numpy as np
import paddle import paddle
from fastdeploy.model_executor.ops.gpu import ( from fastdeploy.model_executor.ops.gpu import w4afp8_gemm, w4afp8_gemm_weight_convert
w4afp8_gemm,
w4afp8_gemm_scale_permute,
w4afp8_gemm_weight_convert,
)
class TestW4AFP8GEMM(unittest.TestCase): class TestW4AFP8GEMM(unittest.TestCase):
def setUp(self): def setUp(self):
paddle.seed(0) paddle.seed(0)
self.tokens_per_group = 1 self.tokens_per_group = 256
self.N = 1792 self.N = 256
self.K = 8192 self.K = 256
self.BATCH = 64 self.BATCH = 1
self.TokenPadding = 0 self.TokenPadding = 0
tokens = [self.tokens_per_group] * self.BATCH tokens = [self.tokens_per_group] * self.BATCH
@@ -42,15 +38,14 @@ class TestW4AFP8GEMM(unittest.TestCase):
self.input_fp8 = paddle.randn([self.all_tokens, self.K], dtype="bfloat16").astype(paddle.float8_e4m3fn) self.input_fp8 = paddle.randn([self.all_tokens, self.K], dtype="bfloat16").astype(paddle.float8_e4m3fn)
self.input_bf16 = self.input_fp8.astype("bfloat16") self.input_bf16 = self.input_fp8.astype("bfloat16")
self.weight = paddle.randn([self.BATCH, self.N, self.K], dtype="bfloat16") self.weight = paddle.randn([self.BATCH, self.N, self.K], dtype="bfloat16") / 10
self.weight_scale = 7 / self.weight.abs().max(axis=-1).reshape([self.BATCH, self.N, 1]) self.weight_scale = 7 / self.weight.abs().max(axis=-1).reshape([self.BATCH, self.N, 1])
self.weight_quant = (self.weight * self.weight_scale).astype("int") self.weight_quant = (self.weight * self.weight_scale).astype("int") + 7
self.weight_quant = paddle.clip(self.weight_quant, -7, 7) self.weight_quant = paddle.clip(self.weight_quant, 0, 14)
self.weight_quant_naive = self.weight_quant.astype("float32")
self.weight_quant = self.weight_quant.astype("bfloat16") self.weight_quant = self.weight_quant.astype("bfloat16")
self.weight_quant = paddle.where(self.weight_quant > 0, self.weight_quant, 8 - self.weight_quant)
self.weight_dequant_scale = 1 / self.weight_scale.astype("float32") self.weight_dequant_scale = 1 / self.weight_scale.astype("float32")
self.input_row_sum = self.input_bf16.sum(axis=1) * -7 / 512
self.max_tokens = int(self.tokens.max()) self.max_tokens = int(self.tokens.max())
def w4afp8_gemm_naive(self, input_bf16, weight_quant, tokens, weight_dequant_scale): def w4afp8_gemm_naive(self, input_bf16, weight_quant, tokens, weight_dequant_scale):
@@ -59,7 +54,7 @@ class TestW4AFP8GEMM(unittest.TestCase):
pre_fix_token = 0 pre_fix_token = 0
for i in range(self.BATCH): for i in range(self.BATCH):
input = input_bf16[pre_fix_token : pre_fix_token + tokens[i], :] input = input_bf16[pre_fix_token : pre_fix_token + tokens[i], :]
weight = weight_quant[i] * weight_dequant_scale[i] weight = (weight_quant[i] - 7.0) * weight_dequant_scale[i]
out_i = paddle.matmul(input, weight.astype("bfloat16"), transpose_y=True) out_i = paddle.matmul(input, weight.astype("bfloat16"), transpose_y=True)
out[pre_fix_token : pre_fix_token + tokens[i], :] = out_i out[pre_fix_token : pre_fix_token + tokens[i], :] = out_i
pre_fix_token += tokens[i] pre_fix_token += tokens[i]
@@ -76,53 +71,37 @@ class TestW4AFP8GEMM(unittest.TestCase):
weight_scale[b, n + j + 1] = temp[j // 2 + 8] weight_scale[b, n + j + 1] = temp[j // 2 + 8]
return weight_scale return weight_scale
def get_per_group_scale(self, processed_weight_scale):
processed_weight_scale = processed_weight_scale.repeat_interleave(self.K // 128, axis=-1)
origin_shape = processed_weight_scale.shape
processed_weight_scale = processed_weight_scale.transpose([0, 2, 1])
processed_weight_scale = processed_weight_scale.reshape([-1, processed_weight_scale.shape[-1]])
processed_weight_scale = w4afp8_gemm_scale_permute(processed_weight_scale)
processed_weight_scale = processed_weight_scale.reshape(
[origin_shape[0], origin_shape[2], origin_shape[1] // 128, 128]
)
processed_weight_scale = processed_weight_scale.transpose([0, 2, 1, 3])
return processed_weight_scale
def test_w4afp8_gemm(self): def test_w4afp8_gemm(self):
out_naive = self.w4afp8_gemm_naive( out_naive = self.w4afp8_gemm_naive(self.input_bf16, self.weight_quant, self.tokens, self.weight_dequant_scale)
self.input_bf16, self.weight_quant_naive, self.tokens, self.weight_dequant_scale
)
# weight_dequant_scale = paddle.to_tensor(self.permute_scale(self.weight_dequant_scale) * 512) weight_dequant_scale = paddle.to_tensor(self.permute_scale(self.weight_dequant_scale) * 512)
weight_dequant_scale = self.get_per_group_scale(self.weight_dequant_scale * 512) weight_int4 = w4afp8_gemm_weight_convert(self.weight_quant.astype("uint8").cpu())
weight_int4 = w4afp8_gemm_weight_convert(self.weight_quant.astype("uint8").cpu()).cuda()
if self.TokenPadding == 0: if self.TokenPadding == 0:
out_cuda = w4afp8_gemm( out_cuda = w4afp8_gemm(
self.input_fp8, self.input_fp8,
weight_int4, weight_int4.cuda(),
self.tokens_prefix_sum, self.tokens_prefix_sum,
self.input_row_sum.astype("float32"),
weight_dequant_scale.astype("float32"), weight_dequant_scale.astype("float32"),
None,
int(self.TokenPadding), int(self.TokenPadding),
self.all_tokens, self.max_tokens,
True, True,
) )
else: else:
out_cuda = w4afp8_gemm( out_cuda = w4afp8_gemm(
self.input_fp8, self.input_fp8,
weight_int4, weight_int4.cuda(),
self.tokens, self.tokens,
self.input_row_sum.astype("float32"),
weight_dequant_scale.astype("float32"), weight_dequant_scale.astype("float32"),
None,
int(self.TokenPadding), int(self.TokenPadding),
self.max_tokens, self.max_tokens,
True, True,
) )
gap = (out_cuda - out_naive).abs() gap = (out_cuda - out_naive).abs()
self.assertLess(float(gap.mean()), 0.11) self.assertLess(float(gap.mean()), 0.07)
if __name__ == "__main__": if __name__ == "__main__":