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81 lines
2.5 KiB
81 lines
2.5 KiB
7 years ago
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/* Copyright (c) 2016 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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#include <algorithm>
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#include <string>
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#include "paddle/framework/executor.h"
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#include "paddle/framework/init.h"
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#include "paddle/platform/place.h"
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#include "paddle/string/piece.h"
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namespace paddle {
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namespace framework {
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std::once_flag gflags_init_flag;
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// TODO(qijun) move init gflags to init.cc
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void InitGflags(std::vector<std::string> &argv) {
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std::call_once(gflags_init_flag, [&]() {
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int argc = argv.size();
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char **arr = new char *[argv.size()];
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std::string line;
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for (size_t i = 0; i < argv.size(); i++) {
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arr[i] = &argv[i][0];
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line += argv[i];
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line += ' ';
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}
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google::ParseCommandLineFlags(&argc, &arr, true);
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VLOG(1) << "Init commandline: " << line;
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});
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}
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bool InitDevices(const std::vector<std::string> &devices) {
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// device format
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// CPU
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// GPU:1
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// TODO(dzhwinter) : add device format annotation for users.
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std::vector<platform::Place> places;
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for (auto &device : devices) {
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auto p = string::Piece(device);
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if (string::Find(p, ':', 0) == string::Piece::npos) {
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places.emplace_back(platform::CPUPlace());
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} else if (string::HasPrefix(p, "GPU")) {
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#ifdef PADDLE_WITH_CUDA
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auto pos = string::RFind(p, ':', string::Piece::npos);
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auto number = device.substr(pos + 1);
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places.emplace_back(platform::GPUPlace(std::stoi(number)));
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#else
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LOG(WARNING)
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<< "'GPU' is not supported, Please re-compile with WITH_GPU option";
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#endif
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} else {
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return false;
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}
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}
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if (std::find_if(places.begin(), places.end(),
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[&](const platform::Place &place) {
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return platform::is_cpu_place(place);
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}) == places.end()) {
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places.emplace_back(platform::CPUPlace());
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LOG(WARNING) << "Not specified any device, use CPU by Default.";
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}
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DeviceContextPool::Create(places);
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return true;
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return true;
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}
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} // namespace framework
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} // namespace paddle
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