104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/* ******************************************************************************
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*
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// Created by raver119 on 30.11.17.
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//
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#include <execution/LaunchContext.h>
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#include <execution/AffinityManager.h>
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#include <helpers/logger.h>
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#include <exceptions/cuda_exception.h>
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#include <thread>
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#if defined(SD_IOS_BUILD) || defined(SD_APPLE_BUILD) || defined(SD_ANDROID_BUILD)
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sd::ContextBuffers contextBuffers = sd::ContextBuffers();
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#else
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thread_local sd::ContextBuffers contextBuffers = sd::ContextBuffers();
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#endif
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#ifdef HAVE_MKLDNN
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#include <dnnl.hpp>
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#endif
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namespace sd {
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LaunchContext::~LaunchContext() {
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#ifdef HAVE_MKLDNN
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delete reinterpret_cast<dnnl::engine*>(_engine);
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#endif
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}
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std::vector<std::shared_ptr<LaunchContext>> LaunchContext::_contexts = std::vector<std::shared_ptr<LaunchContext>>();
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MAP_IMPL<int, std::mutex*> LaunchContext::_deviceMutexes;
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std::mutex LaunchContext::_mutex;
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////////////////////////////////////////////////////////////////////////
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LaunchContext::LaunchContext() {
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// default constructor, just to make clang/ranlib happy
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_workspace = nullptr;
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_deviceID = 0;
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#ifdef HAVE_MKLDNN
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_engine = new dnnl::engine(dnnl::engine::kind::cpu, 0);
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#endif
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}
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LaunchContext::LaunchContext(Nd4jPointer cudaStream, Nd4jPointer reductionPointer, Nd4jPointer scalarPointer, Nd4jPointer allocationPointer) {
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}
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static std::mutex _lock;
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LaunchContext* LaunchContext::defaultContext() {
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{
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// synchronous block goes here
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std::lock_guard<std::mutex> lock(_lock);
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// TODO: we need it to be device-aware, but only once we add NUMA support for cpu
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if (LaunchContext::_contexts.empty())
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LaunchContext::_contexts.emplace_back(std::make_shared<LaunchContext>());
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}
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// return context for current device
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return LaunchContext::_contexts[0].get();
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}
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std::mutex* LaunchContext::deviceMutex() {
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return &_mutex;
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}
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void LaunchContext::swapContextBuffers(ContextBuffers &buffers) {
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//
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}
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bool LaunchContext::isInitialized() {
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return true;
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}
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void LaunchContext::releaseBuffers() {
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//
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}
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sd::ErrorReference* LaunchContext::errorReference() {
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return contextBuffers.errorReference();
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}
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void* LaunchContext::engine() {
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return _engine;
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}
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} |