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75 lines
2.4 KiB
75 lines
2.4 KiB
// Copyright (c) 2018 PaddlePaddle Authors. 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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#pragma once
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#include "paddle/fluid/operators/math/math_function.h"
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namespace paddle {
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namespace operators {
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namespace math {
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template <typename T>
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struct CBlas;
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template <>
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struct CBlas<float> {
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template <typename... ARGS>
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static void GEMM(ARGS... args) {
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cblas_sgemm(args...);
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}
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};
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template <>
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struct CBlas<double> {
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template <typename... ARGS>
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static void GEMM(ARGS... args) {
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cblas_dgemm(args...);
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}
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};
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template <>
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struct CBlas<platform::float16> {
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static void GEMM(...) { PADDLE_THROW("float16 GEMM not supported on CPU"); }
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};
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template <>
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template <typename T>
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void Blas<platform::CPUDeviceContext>::GEMM(const CBLAS_TRANSPOSE transA,
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const CBLAS_TRANSPOSE transB,
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const int M, const int N,
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const int K, const T alpha,
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const T *A, const T *B,
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const T beta, T *C) const {
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int lda = (transA == CblasNoTrans) ? K : M;
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int ldb = (transB == CblasNoTrans) ? N : K;
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int ldc = N;
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CBlas<T>::GEMM(CblasRowMajor, transA, transB, M, N, K, alpha, A, lda, B, ldb,
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beta, C, ldc);
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}
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template <>
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template <typename T>
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void Blas<platform::CPUDeviceContext>::GEMM(
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const bool transA, const bool transB, const int M, const int N, const int K,
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const T alpha, const T *A, const int lda, const T *B, const int ldb,
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const T beta, T *C, const int ldc) const {
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CBlas<T>::GEMM(CblasRowMajor, transA == false ? CblasNoTrans : CblasTrans,
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transB == false ? CblasNoTrans : CblasTrans, M, N, K, alpha, A,
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lda, B, ldb, beta, C, ldc);
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}
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} // namespace math
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} // namespace operators
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} // namespace paddle
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