wehub-resource-sync
61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
// 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 <memory>
|
|
#include "dnnl.hpp" // NOLINT
|
|
|
|
namespace phi {
|
|
namespace funcs {
|
|
///
|
|
/// @brief Helper class for AXPY execution using oneDNN library.
|
|
///
|
|
/// @tparam T Data type.
|
|
///
|
|
template <typename T>
|
|
class OneDNNAXPYHandler {
|
|
public:
|
|
OneDNNAXPYHandler(OneDNNAXPYHandler&) = delete;
|
|
OneDNNAXPYHandler(OneDNNAXPYHandler&&) = delete;
|
|
OneDNNAXPYHandler& operator=(OneDNNAXPYHandler&) = delete;
|
|
OneDNNAXPYHandler& operator=(OneDNNAXPYHandler&&) = delete;
|
|
///
|
|
/// @brief Constructor.
|
|
///
|
|
/// @param[in] n The number of elements in tensor (assumed 1D
|
|
/// tensor)
|
|
/// @param[in] alpha The alpha coefficient.
|
|
/// @param[in] onednn_engine The oneDNN engine.
|
|
///
|
|
OneDNNAXPYHandler(int64_t n, T alpha, dnnl::engine onednn_engine);
|
|
///
|
|
/// @brief Executes AXPY.
|
|
///
|
|
/// @param[in] x The pointer to input X tensor data.
|
|
/// @param[out] y The pointer to output Y tensor data.
|
|
///
|
|
void operator()(const T* x, T* y);
|
|
|
|
private:
|
|
OneDNNAXPYHandler() = delete;
|
|
// Private implementation idiom to hide dependency on oneDNN headers.
|
|
class Impl;
|
|
// We need custom deleter, since the compiler is unable to parameterize
|
|
// an allocator's default deleter due to incomplete type.
|
|
std::unique_ptr<Impl, void (*)(Impl*)> pimpl_;
|
|
};
|
|
} // namespace funcs
|
|
} // namespace phi
|