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98 lines
2.5 KiB
98 lines
2.5 KiB
/* Copyright (c) 2017 PaddlePaddle Authors. All Rights Reserve.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 "mkldnn.hpp"
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namespace paddle {
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typedef enum {
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MKLDNN_BASE = 1, // basical info of MKLDNN
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MKLDNN_TESTS = 1, // gtest info of MKLDNN
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MKLDNN_FMTS = 2, // format info of MKLDNN
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MKLDNN_SIZES = 3, // size info of MKLDNN
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MKLDNN_ALL = 4, // show all info of MKLDNN
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} MKLDNN_LOG_LEVEL;
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/**
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* @brief MKLDNN CPU engine.
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*
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*/
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class CPUEngine {
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public:
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static CPUEngine& Instance() {
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// Thread-safe in C++11.
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static CPUEngine myInstance;
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return myInstance;
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}
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// Disallow copy or move
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CPUEngine(const CPUEngine&) = delete; // Copy constructor
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CPUEngine(CPUEngine&&) = delete; // Move constructor
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CPUEngine& operator=(const CPUEngine&) = delete; // Copy assignment
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CPUEngine& operator=(CPUEngine&&) = delete; // Move assignment
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mkldnn::engine& getEngine() { return cpuEngine_; }
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protected:
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CPUEngine() : cpuEngine_(mkldnn::engine::cpu, 0) {}
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// CPUEngine() : cpuEngine_(mkldnn::engine::cpu_lazy, 0) {}
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~CPUEngine() {}
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private:
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mkldnn::engine cpuEngine_;
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};
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/**
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* @brief MKLDNN Stream.
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*
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*/
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class MKLDNNStream {
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public:
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MKLDNNStream() : ready_(false) { resetState(); }
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virtual ~MKLDNNStream() {}
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/**
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* @brief Submit stream
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* @param prims The primitives vector
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* @param block Waiting for the stream to complete
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*/
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void submit(std::vector<mkldnn::primitive>& prims, bool block = true) {
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resetState();
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stream_->submit(prims).wait(block);
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ready_ = false;
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}
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/**
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* @brief Reset the mkldnn stream
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*/
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void resetState() {
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if (ready_) {
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return;
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}
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// TODO(TJ): change me when mkldnn have method to reset this state
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// stream_.reset(new mkldnn::stream(mkldnn::stream::kind::lazy));
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stream_.reset(new mkldnn::stream(mkldnn::stream::kind::eager));
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ready_ = true;
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}
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private:
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bool ready_;
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std::shared_ptr<mkldnn::stream> stream_;
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};
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} // namespace paddle
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