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FastDeploy/custom_ops/metax_ops/fused_moe_helper.h
xiaozude 7c919070f7
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[Metax] support cutlass moe & optimize flash attention (#4208)
2025-09-29 11:22:43 +08:00

54 lines
2.1 KiB
C++

// Copyright (c) 2025 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 "cutlass_kernels/moe_gemm/fused_moe_gemm_kernels.h"
#include "fused_moe_op.h"
using namespace phi;
template <typename T, int VecSize>
__global__ void moe_token_type_ids_kernel(T *gating_output,
const int *moe_token_type_ids_out,
const int num_rows,
const int num_experts,
const int k) {
const int moe_token_index = blockIdx.x * blockDim.x + threadIdx.x;
if (moe_token_index >= num_rows) {
return;
}
gating_output[moe_token_index * 2] =
gating_output[moe_token_index * 2] +
(moe_token_type_ids_out[moe_token_index]) * -1e10;
gating_output[moe_token_index * 2 + 1] =
gating_output[moe_token_index * 2 + 1] +
(1 - moe_token_type_ids_out[moe_token_index]) * -1e10;
}
template <typename T>
void moe_token_type_ids_kernelLauncher(T *gating_output,
const int *moe_token_type_ids_out,
const int num_rows,
const int num_experts,
const int k,
cudaStream_t stream) {
const int blocks = num_rows * k / 512 + 1;
const int threads = 512;
moe_token_type_ids_kernel<T, 1><<<blocks, 512, 0, stream>>>(
gating_output, moe_token_type_ids_out, num_rows, num_experts, k);
}