Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into initializer
Merge branch developwangkuiyi-patch-2
weixing02
7 years ago
commit
71081a9bb9
@ -0,0 +1,90 @@
|
||||
/* Copyright (c) 2018 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 <map>
|
||||
#include <string>
|
||||
#include <thread> // NOLINT
|
||||
#include <vector>
|
||||
#include "paddle/fluid/framework/lod_tensor.h"
|
||||
#include "paddle/fluid/inference/io.h"
|
||||
|
||||
void ThreadedRunInference(
|
||||
const std::unique_ptr<paddle::framework::ProgramDesc>& inference_program,
|
||||
paddle::framework::Executor* executor, paddle::framework::Scope* scope,
|
||||
const int thread_id,
|
||||
const std::vector<paddle::framework::LoDTensor*>& cpu_feeds,
|
||||
const std::vector<paddle::framework::LoDTensor*>& cpu_fetchs) {
|
||||
auto copy_program = std::unique_ptr<paddle::framework::ProgramDesc>(
|
||||
new paddle::framework::ProgramDesc(*inference_program));
|
||||
|
||||
std::string feed_holder_name = "feed_" + paddle::string::to_string(thread_id);
|
||||
std::string fetch_holder_name =
|
||||
"fetch_" + paddle::string::to_string(thread_id);
|
||||
copy_program->SetFeedHolderName(feed_holder_name);
|
||||
copy_program->SetFetchHolderName(fetch_holder_name);
|
||||
|
||||
// 3. Get the feed_target_names and fetch_target_names
|
||||
const std::vector<std::string>& feed_target_names =
|
||||
copy_program->GetFeedTargetNames();
|
||||
const std::vector<std::string>& fetch_target_names =
|
||||
copy_program->GetFetchTargetNames();
|
||||
|
||||
// 4. Prepare inputs: set up maps for feed targets
|
||||
std::map<std::string, const paddle::framework::LoDTensor*> feed_targets;
|
||||
for (size_t i = 0; i < feed_target_names.size(); ++i) {
|
||||
// Please make sure that cpu_feeds[i] is right for feed_target_names[i]
|
||||
feed_targets[feed_target_names[i]] = cpu_feeds[i];
|
||||
}
|
||||
|
||||
// 5. Define Tensor to get the outputs: set up maps for fetch targets
|
||||
std::map<std::string, paddle::framework::LoDTensor*> fetch_targets;
|
||||
for (size_t i = 0; i < fetch_target_names.size(); ++i) {
|
||||
fetch_targets[fetch_target_names[i]] = cpu_fetchs[i];
|
||||
}
|
||||
|
||||
// 6. Run the inference program
|
||||
executor->Run(*copy_program, scope, feed_targets, fetch_targets, true,
|
||||
feed_holder_name, fetch_holder_name);
|
||||
}
|
||||
|
||||
template <typename Place>
|
||||
void TestMultiThreadInference(
|
||||
const std::string& dirname,
|
||||
const std::vector<std::vector<paddle::framework::LoDTensor*>>& cpu_feeds,
|
||||
const std::vector<std::vector<paddle::framework::LoDTensor*>>& cpu_fetchs,
|
||||
const int num_threads) {
|
||||
// 1. Define place, executor, scope
|
||||
auto place = Place();
|
||||
auto executor = paddle::framework::Executor(place);
|
||||
auto* scope = new paddle::framework::Scope();
|
||||
|
||||
// 2. Initialize the inference_program and load parameters
|
||||
std::unique_ptr<paddle::framework::ProgramDesc> inference_program =
|
||||
paddle::inference::Load(executor, *scope, dirname);
|
||||
|
||||
std::vector<std::thread*> threads;
|
||||
for (int i = 0; i < num_threads; ++i) {
|
||||
threads.push_back(new std::thread(
|
||||
ThreadedRunInference, std::ref(inference_program), &executor, scope, i,
|
||||
std::ref(cpu_feeds[i]), std::ref(cpu_fetchs[i])));
|
||||
}
|
||||
for (int i = 0; i < num_threads; ++i) {
|
||||
threads[i]->join();
|
||||
delete threads[i];
|
||||
}
|
||||
|
||||
delete scope;
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in new issue