64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Copyright (c) 2020-2023, NVIDIA CORPORATION. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FLASHINFER_FP8_GEMM_CUTLASS_H_
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#define FLASHINFER_FP8_GEMM_CUTLASS_H_
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#include <cuda_runtime_api.h>
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#include <vector>
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#include "flashinfer/gemm/cutlass_gemm_configs.h"
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namespace flashinfer {
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namespace gemm {
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class CutlassFp8GemmRunnerInterface {
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public:
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CutlassFp8GemmRunnerInterface() = default;
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virtual ~CutlassFp8GemmRunnerInterface() = default;
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virtual void gemm(__nv_fp8_e4m3 const* A, __nv_fp8_e4m3 const* B, float const* scale_a,
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float const* scale_b, void* D, int m, int n, int k, int b,
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CutlassGemmConfig gemmConfig, char* workspacePtr, size_t const workspaceBytes,
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cudaStream_t stream) = 0;
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virtual size_t getWorkspaceSize(int m, int n, int k) = 0;
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virtual std::vector<CutlassGemmConfig> getConfigs() const = 0;
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};
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template <typename T>
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class CutlassFp8GemmRunner : public virtual CutlassFp8GemmRunnerInterface {
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public:
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CutlassFp8GemmRunner() = default;
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~CutlassFp8GemmRunner() = default;
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void gemm(__nv_fp8_e4m3 const* A, __nv_fp8_e4m3 const* B, float const* scale_a,
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float const* scale_b, void* D, int m, int n, int k, int b, CutlassGemmConfig gemmConfig,
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char* workspacePtr, size_t const workspaceBytes, cudaStream_t stream) override;
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size_t getWorkspaceSize(int m, int n, int k) override;
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std::vector<CutlassGemmConfig> getConfigs() const override;
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private:
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size_t getWorkspaceSizeImpl(int m, int n, int k);
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};
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} // namespace gemm
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} // namespace flashinfer
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#endif // FLASHINFER_FP8_GEMM_CUTLASS_H_
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