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FastDeploy/custom_ops/gpu_ops/cutlass_kernels/cutlass_heuristic.h
2025-06-09 19:20:15 +08:00

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/*
* Copyright (c) 2020-2023, NVIDIA CORPORATION. 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 "cute/tensor.hpp"
#include "cutlass_extensions/gemm_configs.h"
#include "common/cudaUtils.h"
namespace kernels
{
namespace cutlass_kernels
{
template <class TileShape, class ClusterShape, class ActivationType>
struct should_filter_sm90_gemm_problem_shape
{
#ifdef FAST_BUILD
constexpr static int TILE_K = 128 * 8 / cutlass::sizeof_bits<ActivationType>::value;
using SupportedCtaShape = cute::Shape<cute::_128, cute::_128, cute::Int<TILE_K>>;
using SupportedCgaShape = cute::Shape<cute::_1, cute::_1, cute::_1>;
constexpr static bool value
= !cute::is_same_v<SupportedCtaShape, TileShape> || !cute::is_same_v<SupportedCgaShape, ClusterShape>;
#else
constexpr static bool value = false;
#endif
};
template <class TileShape, class ClusterShape, class ActivationType>
constexpr static bool should_filter_sm90_gemm_problem_shape_v
= should_filter_sm90_gemm_problem_shape<TileShape, ClusterShape, ActivationType>::value;
std::vector<cutlass_extensions::CutlassGemmConfig> get_candidate_configs(
int sm, int const max_split_k, cutlass_extensions::CutlassGemmConfig::CandidateConfigTypeParam const);
cutlass_extensions::CutlassGemmConfig estimate_best_config_from_occupancies(
std::vector<cutlass_extensions::CutlassGemmConfig> const& candidate_configs,
std::vector<int> const& occupancies, int64_t const m, int64_t const n, int64_t const k, int64_t const num_experts,
int const split_k_limit, size_t const workspace_bytes, int const multi_processor_count, int const is_weight_only);
} // namespace cutlass_kernels
} // namespace kernels