xiaoli.liu@intel.com
6 years ago
commit
64ae602279
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# - Find JeMalloc library
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# Find the native JeMalloc includes and library
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#
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# JEMALLOC_INCLUDE_DIR - where to find jemalloc.h, etc.
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# JEMALLOC_LIBRARIES - List of libraries when using jemalloc.
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# JEMALLOC_FOUND - True if jemalloc found.
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find_path(JEMALLOC_INCLUDE_DIR
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NAMES jemalloc/jemalloc.h
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HINTS ${JEMALLOC_ROOT_DIR}/include)
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find_library(JEMALLOC_LIBRARIES
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NAMES jemalloc
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HINTS ${JEMALLOC_ROOT_DIR}/lib)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(jemalloc DEFAULT_MSG JEMALLOC_LIBRARIES JEMALLOC_INCLUDE_DIR)
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mark_as_advanced(
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JEMALLOC_LIBRARIES
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JEMALLOC_INCLUDE_DIR)
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if (JEMALLOC_FOUND)
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add_library(jemalloc::jemalloc UNKNOWN IMPORTED)
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set_target_properties(jemalloc::jemalloc PROPERTIES
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IMPORTED_LOCATION ${JEMALLOC_LIBRARIES}
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INTERFACE_INCLUDE_DIRECTORIES "${JEMALLOC_INCLUDE_DIR}")
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endif()
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// 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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#include "paddle/fluid/framework/details/parallel_ssa_graph_executor.h"
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namespace paddle {
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namespace framework {
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namespace details {
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ParallelSSAGraphExecutor::ParallelSSAGraphExecutor(
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const ExecutionStrategy &strategy, const std::vector<Scope *> &local_scopes,
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const std::vector<platform::Place> &places,
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std::vector<std::unique_ptr<ir::Graph>> &&graphs)
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: strategy_(std::move(strategy)),
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local_scopes_(std::move(local_scopes)),
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pool_(places.size() >= 2 ? new ::ThreadPool(places.size()) : nullptr),
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places_(std::move(places)),
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graphs_(std::move(graphs)) {
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PADDLE_ENFORCE_EQ(places_.size(), local_scopes_.size());
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// set the correct size of thread pool to each device.
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strategy_.num_threads_ = strategy_.num_threads_ < places_.size()
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? 1UL
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: strategy_.num_threads_ / places_.size();
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VLOG(1) << "set num_threads: " << strategy_.num_threads_
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<< " to run the operators of the graph on each device.";
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for (size_t i = 0; i < places.size(); ++i) {
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executors_.emplace_back(new details::ThreadedSSAGraphExecutor(
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strategy_, {local_scopes_[i]}, {places_[i]}, std::move(graphs_[i])));
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}
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}
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FeedFetchList ParallelSSAGraphExecutor::Run(
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const std::vector<std::string> &fetch_tensors) {
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std::vector<std::future<FeedFetchList>> run_futures;
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std::vector<FeedFetchList> fetch_data;
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FeedFetchList ret;
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fetch_data.reserve(places_.size());
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ret.reserve(fetch_tensors.size());
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exception_holder_.Clear();
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for (size_t i = 0; i < places_.size(); ++i) {
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auto call = [this, i, &fetch_tensors]() -> FeedFetchList {
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try {
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return executors_[i]->Run(fetch_tensors);
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} catch (...) {
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exception_holder_.Catch(std::current_exception());
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}
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return FeedFetchList();
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};
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if (pool_) {
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run_futures.emplace_back(pool_->enqueue(std::move(call)));
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} else {
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fetch_data.emplace_back(std::move(call()));
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}
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}
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if (pool_) {
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for (auto &f : run_futures) {
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if (exception_holder_.IsCaught()) {
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f.wait();
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} else {
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fetch_data.emplace_back(std::move(f.get()));
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}
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}
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}
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if (exception_holder_.IsCaught()) {
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exception_holder_.ReThrow();
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}
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for (size_t fetch_idx = 0; fetch_idx < fetch_tensors.size(); ++fetch_idx) {
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std::vector<const LoDTensor *> lodtensor_ptrs;
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lodtensor_ptrs.reserve(local_scopes_.size());
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for (size_t scope_idx = 0; scope_idx < local_scopes_.size(); ++scope_idx) {
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lodtensor_ptrs.push_back(&fetch_data.at(scope_idx).at(fetch_idx));
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}
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ret.emplace_back();
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ret.back().MergeLoDTensor(lodtensor_ptrs, platform::CPUPlace());
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}
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return ret;
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}
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} // namespace details
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} // namespace framework
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} // namespace paddle
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@ -0,0 +1,51 @@
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// 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 <string>
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#include <vector>
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#include "ThreadPool.h"
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#include "paddle/fluid/framework/details/threaded_ssa_graph_executor.h"
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namespace paddle {
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namespace framework {
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namespace details {
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class ParallelSSAGraphExecutor : public SSAGraphExecutor {
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public:
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ParallelSSAGraphExecutor(const ExecutionStrategy &strategy,
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const std::vector<Scope *> &local_scopes,
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const std::vector<platform::Place> &places,
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std::vector<std::unique_ptr<ir::Graph>> &&graphs);
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~ParallelSSAGraphExecutor() final = default;
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const ir::Graph &Graph() const override { return *graphs_[0]; }
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FeedFetchList Run(const std::vector<std::string> &fetch_tensors) override;
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private:
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ExecutionStrategy strategy_;
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std::vector<Scope *> local_scopes_;
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std::unique_ptr<::ThreadPool> pool_{nullptr};
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std::vector<platform::Place> places_;
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std::vector<std::unique_ptr<ir::Graph>> graphs_;
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std::vector<std::unique_ptr<details::ThreadedSSAGraphExecutor>> executors_;
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ExceptionHolder exception_holder_;
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};
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} // namespace details
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} // namespace framework
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} // namespace paddle
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