未验证 提交 d4a5326a 编写于 作者: T Tao Luo 提交者: GitHub

Merge pull request #13387 from luotao1/nlp_multi_thread

add multi-thread for nlp unit-tests
......@@ -123,10 +123,16 @@ std::string DescribeTensor(const PaddleTensor &tensor) {
}
void PrintTime(int batch_size, int repeat, int num_threads, int tid,
double latency) {
double latency, int epoch = 1) {
LOG(INFO) << "====== batch_size: " << batch_size << ", repeat: " << repeat
<< ", threads: " << num_threads << ", thread id: " << tid
<< ", latency: " << latency << "ms ======";
if (epoch > 1) {
int samples = batch_size * epoch;
LOG(INFO) << "====== sample number: " << samples
<< ", average latency of each sample: " << latency / samples
<< "ms ======";
}
}
} // namespace inference
......
......@@ -51,9 +51,7 @@ inference_analysis_test(test_analyzer_lac SRCS analyzer_lac_tester.cc
# text_classification
set(TEXT_CLASSIFICATION_INSTALL_DIR "${INFERENCE_DEMO_INSTALL_DIR}/text_classification")
download_model_and_data(${TEXT_CLASSIFICATION_INSTALL_DIR} "text-classification-Senta.tar.gz" "text_classification_data.txt.tar.gz")
inference_analysis_test(test_text_classification SRCS analyzer_text_classification_tester.cc
inference_analysis_test(test_analyzer_text_classification SRCS analyzer_text_classification_tester.cc
EXTRA_DEPS ${INFERENCE_EXTRA_DEPS}
ARGS --infer_model=${TEXT_CLASSIFICATION_INSTALL_DIR}/text-classification-Senta
--infer_data=${TEXT_CLASSIFICATION_INSTALL_DIR}/data.txt
--topn=1 # Just run top 1 batch.
)
--infer_data=${TEXT_CLASSIFICATION_INSTALL_DIR}/data.txt)
......@@ -12,21 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/fluid/inference/analysis/analyzer.h"
#include <gtest/gtest.h>
#include "paddle/fluid/framework/ir/fuse_pass_base.h"
#include "paddle/fluid/inference/analysis/ut_helper.h"
#include "paddle/fluid/inference/api/analysis_predictor.h"
#include "paddle/fluid/inference/api/helper.h"
#include "paddle/fluid/inference/api/paddle_inference_pass.h"
#include "paddle/fluid/platform/profiler.h"
DEFINE_string(infer_model, "", "model path for LAC");
DEFINE_string(infer_data, "", "data file for LAC");
DEFINE_int32(batch_size, 1, "batch size.");
DEFINE_int32(burning, 0, "Burning before repeat.");
DEFINE_int32(repeat, 1, "Running the inference program repeat times.");
DEFINE_bool(test_all_data, false, "Test the all dataset in data file.");
#include "paddle/fluid/inference/tests/api/tester_helper.h"
namespace paddle {
namespace inference {
......@@ -126,46 +112,37 @@ void TestLACPrediction(const std::string &model_path,
const std::string &data_file, const int batch_size,
const int repeat, bool test_all_data,
bool use_analysis = false) {
NativeConfig config;
config.model_dir = model_path;
config.use_gpu = false;
config.device = 0;
config.specify_input_name = true;
std::vector<PaddleTensor> input_slots, outputs_slots;
DataRecord data(data_file, batch_size);
GetOneBatch(&input_slots, &data, batch_size);
std::unique_ptr<PaddlePredictor> predictor;
if (use_analysis) {
AnalysisConfig cfg;
cfg.model_dir = model_path;
cfg.use_gpu = false;
cfg.device = 0;
cfg.specify_input_name = true;
cfg.enable_ir_optim = true;
std::vector<PaddleTensor> input_slots, outputs_slots;
DataRecord data(data_file, batch_size);
GetOneBatch(&input_slots, &data, batch_size);
std::unique_ptr<PaddlePredictor> predictor;
if (use_analysis) {
predictor =
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(cfg);
} else {
predictor =
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(config);
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(cfg);
}
for (int i = 0; i < FLAGS_burning; i++) {
predictor->Run(input_slots, &outputs_slots);
}
Timer timer;
if (test_all_data) {
double sum = 0;
LOG(INFO) << "Total number of samples: " << data.datasets.size();
for (int i = 0; i < repeat; i++) {
if (FLAGS_test_all_data) {
LOG(INFO) << "test all data";
std::vector<std::vector<PaddleTensor>> input_slots_all;
for (size_t bid = 0; bid < data.batched_datas.size(); ++bid) {
GetOneBatch(&input_slots, &data, batch_size);
timer.tic();
predictor->Run(input_slots, &outputs_slots);
sum += timer.toc();
}
input_slots_all.emplace_back(input_slots);
}
PrintTime(batch_size, repeat, 1, 0, sum / repeat);
LOG(INFO) << "Average latency of each sample: "
<< sum / repeat / data.datasets.size() << " ms";
LOG(INFO) << "total number of samples: " << data.datasets.size();
TestPrediction(cfg, input_slots_all, &outputs_slots, FLAGS_num_threads);
return;
}
timer.tic();
......@@ -190,19 +167,10 @@ void TestLACPrediction(const std::string &model_path,
if (use_analysis) {
// run once for comparion as reference
auto ref_predictor =
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(config);
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(cfg);
std::vector<PaddleTensor> ref_outputs_slots;
ref_predictor->Run(input_slots, &ref_outputs_slots);
EXPECT_EQ(ref_outputs_slots.size(), outputs_slots.size());
auto &ref_out = ref_outputs_slots[0];
size_t ref_size =
std::accumulate(ref_out.shape.begin(), ref_out.shape.end(), 1,
[](int a, int b) { return a * b; });
EXPECT_EQ(size, ref_size);
int64_t *pdata_ref = static_cast<int64_t *>(ref_out.data.data());
for (size_t i = 0; i < size; ++i) {
EXPECT_EQ(pdata_ref[i], pdata[i]);
}
CompareResult(ref_outputs_slots, outputs_slots);
AnalysisPredictor *analysis_predictor =
dynamic_cast<AnalysisPredictor *>(predictor.get());
......
......@@ -12,20 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/fluid/inference/analysis/analyzer.h"
#include <gtest/gtest.h>
#include "paddle/fluid/framework/ir/fuse_pass_base.h"
#include "paddle/fluid/inference/analysis/ut_helper.h"
#include "paddle/fluid/inference/api/analysis_predictor.h"
#include "paddle/fluid/inference/api/helper.h"
#include "paddle/fluid/inference/api/paddle_inference_pass.h"
#include "paddle/fluid/platform/profiler.h"
DEFINE_string(infer_model, "", "model path");
DEFINE_string(infer_data, "", "data path");
DEFINE_int32(batch_size, 10, "batch size.");
DEFINE_int32(repeat, 1, "Running the inference program repeat times.");
DEFINE_bool(test_all_data, false, "Test the all dataset in data file.");
#include "paddle/fluid/inference/tests/api/tester_helper.h"
namespace paddle {
namespace inference {
......@@ -113,17 +100,6 @@ const int chinese_ner_result_data[] = {30, 45, 41, 48, 17, 26,
48, 39, 38, 16, 25};
void TestChineseNERPrediction(bool use_analysis) {
NativeConfig config;
config.prog_file = FLAGS_infer_model + "/__model__";
config.param_file = FLAGS_infer_model + "/param";
config.use_gpu = false;
config.device = 0;
config.specify_input_name = true;
std::vector<PaddleTensor> input_slots, outputs;
std::unique_ptr<PaddlePredictor> predictor;
Timer timer;
if (use_analysis) {
AnalysisConfig cfg;
cfg.prog_file = FLAGS_infer_model + "/__model__";
cfg.param_file = FLAGS_infer_model + "/param";
......@@ -131,32 +107,28 @@ void TestChineseNERPrediction(bool use_analysis) {
cfg.device = 0;
cfg.specify_input_name = true;
cfg.enable_ir_optim = true;
std::vector<PaddleTensor> input_slots, outputs;
std::unique_ptr<PaddlePredictor> predictor;
Timer timer;
if (use_analysis) {
predictor =
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(cfg);
} else {
predictor =
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(config);
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(cfg);
}
if (FLAGS_test_all_data) {
LOG(INFO) << "test all data";
double sum = 0;
size_t num_samples;
for (int i = 0; i < FLAGS_repeat; i++) {
DataRecord data(FLAGS_infer_data, FLAGS_batch_size);
// Just one batch, the num_samples remains the same.
num_samples = data.num_samples;
for (size_t bid = 0; bid < num_samples / FLAGS_batch_size; ++bid) {
std::vector<std::vector<PaddleTensor>> input_slots_all;
for (size_t bid = 0; bid < data.num_samples / FLAGS_batch_size; ++bid) {
PrepareInputs(&input_slots, &data, FLAGS_batch_size);
timer.tic();
predictor->Run(input_slots, &outputs);
sum += timer.toc();
}
input_slots_all.emplace_back(input_slots);
}
LOG(INFO) << "total number of samples: " << num_samples;
PrintTime(FLAGS_batch_size, FLAGS_repeat, 1, 0, sum / FLAGS_repeat);
LOG(INFO) << "average latency of each sample: "
<< sum / FLAGS_repeat / num_samples;
LOG(INFO) << "total number of samples: " << data.num_samples;
TestPrediction(cfg, input_slots_all, &outputs, FLAGS_num_threads);
return;
}
// Prepare inputs.
......@@ -182,19 +154,10 @@ void TestChineseNERPrediction(bool use_analysis) {
if (use_analysis) {
// run once for comparion as reference
auto ref_predictor =
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(config);
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(cfg);
std::vector<PaddleTensor> ref_outputs_slots;
ref_predictor->Run(input_slots, &ref_outputs_slots);
EXPECT_EQ(ref_outputs_slots.size(), outputs.size());
auto &ref_out = ref_outputs_slots[0];
size_t ref_size =
std::accumulate(ref_out.shape.begin(), ref_out.shape.end(), 1,
[](int a, int b) { return a * b; });
EXPECT_EQ(size, ref_size);
int64_t *pdata_ref = static_cast<int64_t *>(ref_out.data.data());
for (size_t i = 0; i < size; ++i) {
EXPECT_EQ(pdata_ref[i], result[i]);
}
CompareResult(ref_outputs_slots, outputs);
AnalysisPredictor *analysis_predictor =
dynamic_cast<AnalysisPredictor *>(predictor.get());
......
......@@ -12,24 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/fluid/inference/analysis/analyzer.h"
#include <google/protobuf/text_format.h>
#include <gtest/gtest.h>
#include <thread> // NOLINT
#include "paddle/fluid/framework/ir/fuse_pass_base.h"
#include "paddle/fluid/framework/ir/pass.h"
#include "paddle/fluid/inference/analysis/ut_helper.h"
#include "paddle/fluid/inference/api/analysis_predictor.h"
#include "paddle/fluid/inference/api/helper.h"
#include "paddle/fluid/inference/api/paddle_inference_api.h"
#include "paddle/fluid/inference/api/paddle_inference_pass.h"
DEFINE_string(infer_model, "", "model path");
DEFINE_string(infer_data, "", "data path");
DEFINE_int32(batch_size, 10, "batch size.");
DEFINE_int32(repeat, 1, "Running the inference program repeat times.");
DEFINE_int32(num_threads, 1, "Running the inference program in multi-threads.");
#include "paddle/fluid/inference/tests/api/tester_helper.h"
namespace paddle {
namespace inference {
......@@ -164,26 +147,6 @@ void PrepareInputs(std::vector<PaddleTensor> *input_slots, DataRecord *data,
}
}
void CompareResult(const std::vector<PaddleTensor> &outputs,
const std::vector<PaddleTensor> &base_outputs) {
PADDLE_ENFORCE_GT(outputs.size(), 0);
PADDLE_ENFORCE_EQ(outputs.size(), base_outputs.size());
for (size_t i = 0; i < outputs.size(); i++) {
auto &out = outputs[i];
auto &base_out = base_outputs[i];
size_t size = std::accumulate(out.shape.begin(), out.shape.end(), 1,
[](int a, int b) { return a * b; });
size_t size1 = std::accumulate(base_out.shape.begin(), base_out.shape.end(),
1, [](int a, int b) { return a * b; });
PADDLE_ENFORCE_EQ(size, size1);
PADDLE_ENFORCE_GT(size, 0);
float *data = static_cast<float *>(out.data.data());
float *base_data = static_cast<float *>(base_out.data.data());
for (size_t i = 0; i < size; i++) {
EXPECT_NEAR(data[i], base_data[i], 1e-3);
}
}
}
// Test with a really complicate model.
void TestRNN1Prediction(bool use_analysis, bool activate_ir, int num_threads) {
AnalysisConfig config;
......@@ -198,7 +161,6 @@ void TestRNN1Prediction(bool use_analysis, bool activate_ir, int num_threads) {
config.ir_passes.clear(); // Do not exclude any pass.
int batch_size = FLAGS_batch_size;
int num_times = FLAGS_repeat;
auto base_predictor =
CreatePaddlePredictor<NativeConfig, PaddleEngineKind::kNative>(config);
......@@ -213,45 +175,14 @@ void TestRNN1Prediction(bool use_analysis, bool activate_ir, int num_threads) {
base_predictor->Run(input_slots, &base_outputs);
std::vector<std::vector<PaddleTensor>> input_slots_all;
input_slots_all.emplace_back(input_slots);
if (num_threads == 1) {
// Prepare inputs.
Timer timer;
timer.tic();
for (int i = 0; i < num_times; i++) {
predictor->Run(input_slots, &outputs);
}
PrintTime(batch_size, num_times, 1, 0, timer.toc() / num_times);
TestOneThreadPrediction(config, input_slots_all, &outputs);
CompareResult(outputs, base_outputs);
} else {
std::vector<std::thread> threads;
std::vector<std::unique_ptr<PaddlePredictor>> predictors;
// TODO(yanchunwei): Bug here, the analyzer phase can't be parallelled
// because AttentionLSTM's hard code nodeid will be damanged.
for (int tid = 0; tid < num_threads; ++tid) {
predictors.emplace_back(
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(
config));
}
for (int tid = 0; tid < num_threads; ++tid) {
threads.emplace_back([&, tid]() {
// Each thread should have local input_slots and outputs.
std::vector<PaddleTensor> input_slots;
DataRecord data(FLAGS_infer_data, batch_size);
PrepareInputs(&input_slots, &data, batch_size);
std::vector<PaddleTensor> outputs;
Timer timer;
timer.tic();
for (int i = 0; i < num_times; i++) {
predictors[tid]->Run(input_slots, &outputs);
}
PrintTime(batch_size, num_times, num_threads, tid,
timer.toc() / num_times);
CompareResult(outputs, base_outputs);
});
}
for (int i = 0; i < num_threads; ++i) {
threads[i].join();
}
// only return the output of first thread
TestMultiThreadPrediction(config, input_slots_all, &outputs, num_threads);
}
if (use_analysis && activate_ir) {
......@@ -293,8 +224,7 @@ TEST(Analyzer, RNN_tests) {
// Directly infer with the original model.
TestRNN1Prediction(false, false, i);
// Inference with the original model with the analysis turned on, the
// analysis
// module will transform the program to a data flow graph.
// analysis module will transform the program to a data flow graph.
TestRNN1Prediction(true, false, i);
// Inference with analysis and IR. The IR module will fuse some large
// kernels.
......
......@@ -12,23 +12,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
#include "paddle/fluid/inference/analysis/analyzer.h"
#include <gflags/gflags.h>
#include <glog/logging.h> // use glog instead of PADDLE_ENFORCE to avoid importing other paddle header files.
#include <gtest/gtest.h>
#include <fstream>
#include "paddle/fluid/framework/ir/pass.h"
#include "paddle/fluid/inference/analysis/ut_helper.h"
#include "paddle/fluid/inference/api/helper.h"
#include "paddle/fluid/inference/api/paddle_inference_api.h"
#include "paddle/fluid/inference/api/paddle_inference_pass.h"
#include "paddle/fluid/inference/api/timer.h"
DEFINE_string(infer_model, "", "Directory of the inference model.");
DEFINE_string(infer_data, "", "Path of the dataset.");
DEFINE_int32(batch_size, 1, "batch size.");
DEFINE_int32(repeat, 1, "How many times to repeat run.");
DEFINE_int32(topn, -1, "Run top n batches of data to save time");
#include "paddle/fluid/inference/tests/api/tester_helper.h"
namespace paddle {
namespace inference {
......@@ -37,24 +21,25 @@ struct DataReader {
explicit DataReader(const std::string &path)
: file(new std::ifstream(path)) {}
bool NextBatch(PaddleTensor *tensor, int batch_size) {
bool NextBatch(std::vector<PaddleTensor> *input, int batch_size) {
PADDLE_ENFORCE_EQ(batch_size, 1);
std::string line;
tensor->lod.clear();
tensor->lod.emplace_back(std::vector<size_t>({0}));
PaddleTensor tensor;
tensor.dtype = PaddleDType::INT64;
tensor.lod.emplace_back(std::vector<size_t>({0}));
std::vector<int64_t> data;
for (int i = 0; i < batch_size; i++) {
if (!std::getline(*file, line)) return false;
inference::split_to_int64(line, ' ', &data);
}
tensor->lod.front().push_back(data.size());
tensor.lod.front().push_back(data.size());
tensor->data.Resize(data.size() * sizeof(int64_t));
memcpy(tensor->data.data(), data.data(), data.size() * sizeof(int64_t));
tensor->shape.clear();
tensor->shape.push_back(data.size());
tensor->shape.push_back(1);
tensor.data.Resize(data.size() * sizeof(int64_t));
memcpy(tensor.data.data(), data.data(), data.size() * sizeof(int64_t));
tensor.shape.push_back(data.size());
tensor.shape.push_back(1);
input->assign({tensor});
return true;
}
......@@ -68,32 +53,28 @@ void Main(int batch_size) {
config.model_dir = FLAGS_infer_model;
config.use_gpu = false;
config.enable_ir_optim = true;
auto predictor =
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(
config);
std::vector<PaddleTensor> input_slots(1);
// one batch starts
// data --
auto &input = input_slots[0];
input.dtype = PaddleDType::INT64;
inference::Timer timer;
double sum = 0;
std::vector<PaddleTensor> output_slots;
std::vector<PaddleTensor> input_slots, output_slots;
DataReader reader(FLAGS_infer_data);
std::vector<std::vector<PaddleTensor>> input_slots_all;
if (FLAGS_test_all_data) {
LOG(INFO) << "test all data";
int num_batches = 0;
for (int t = 0; t < FLAGS_repeat; t++) {
DataReader reader(FLAGS_infer_data);
while (reader.NextBatch(&input, FLAGS_batch_size)) {
if (FLAGS_topn > 0 && num_batches > FLAGS_topn) break;
timer.tic();
CHECK(predictor->Run(input_slots, &output_slots));
sum += timer.toc();
while (reader.NextBatch(&input_slots, FLAGS_batch_size)) {
input_slots_all.emplace_back(input_slots);
++num_batches;
}
LOG(INFO) << "total number of samples: " << num_batches * FLAGS_batch_size;
TestPrediction(config, input_slots_all, &output_slots, FLAGS_num_threads);
return;
}
PrintTime(batch_size, FLAGS_repeat, 1, 0, sum / FLAGS_repeat);
// one batch starts
// data --
reader.NextBatch(&input_slots, FLAGS_batch_size);
input_slots_all.emplace_back(input_slots);
TestPrediction(config, input_slots_all, &output_slots, FLAGS_num_threads);
// Get output
LOG(INFO) << "get outputs " << output_slots.size();
......
// 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 <gtest/gtest.h>
#include <thread> // NOLINT
#include <vector>
#include "paddle/fluid/framework/ir/fuse_pass_base.h"
#include "paddle/fluid/inference/analysis/analyzer.h"
#include "paddle/fluid/inference/analysis/ut_helper.h"
#include "paddle/fluid/inference/api/analysis_predictor.h"
#include "paddle/fluid/inference/api/helper.h"
#include "paddle/fluid/inference/api/paddle_inference_pass.h"
#include "paddle/fluid/platform/profiler.h"
DEFINE_string(infer_model, "", "model path");
DEFINE_string(infer_data, "", "data file");
DEFINE_int32(batch_size, 1, "batch size.");
DEFINE_int32(burning, 0, "Burning before repeat.");
DEFINE_int32(repeat, 1, "Running the inference program repeat times.");
DEFINE_bool(test_all_data, false, "Test the all dataset in data file.");
DEFINE_int32(num_threads, 1, "Running the inference program in multi-threads.");
namespace paddle {
namespace inference {
void CompareResult(const std::vector<PaddleTensor> &outputs,
const std::vector<PaddleTensor> &base_outputs) {
PADDLE_ENFORCE_GT(outputs.size(), 0);
PADDLE_ENFORCE_EQ(outputs.size(), base_outputs.size());
for (size_t i = 0; i < outputs.size(); i++) {
auto &out = outputs[i];
auto &base_out = base_outputs[i];
size_t size = std::accumulate(out.shape.begin(), out.shape.end(), 1,
[](int a, int b) { return a * b; });
size_t size1 = std::accumulate(base_out.shape.begin(), base_out.shape.end(),
1, [](int a, int b) { return a * b; });
PADDLE_ENFORCE_EQ(size, size1);
PADDLE_ENFORCE_GT(size, 0);
float *data = static_cast<float *>(out.data.data());
float *base_data = static_cast<float *>(base_out.data.data());
for (size_t i = 0; i < size; i++) {
EXPECT_NEAR(data[i], base_data[i], 1e-3);
}
}
}
void TestOneThreadPrediction(
AnalysisConfig config, const std::vector<std::vector<PaddleTensor>> inputs,
std::vector<PaddleTensor> *outputs) {
int batch_size = FLAGS_batch_size;
int num_times = FLAGS_repeat;
auto predictor =
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(
config);
Timer timer;
timer.tic();
for (int i = 0; i < num_times; i++) {
for (size_t j = 0; j < inputs.size(); j++) {
predictor->Run(inputs[j], outputs);
}
}
PrintTime(batch_size, num_times, 1, 0, timer.toc() / num_times,
inputs.size());
}
void TestMultiThreadPrediction(
AnalysisConfig config, const std::vector<std::vector<PaddleTensor>> inputs,
std::vector<PaddleTensor> *outputs, int num_threads) {
int batch_size = FLAGS_batch_size;
int num_times = FLAGS_repeat;
std::vector<std::thread> threads;
std::vector<std::unique_ptr<PaddlePredictor>> predictors;
// TODO(yanchunwei): Bug here, the analyzer phase can't be parallelled
// because AttentionLSTM's hard code nodeid will be damanged.
for (int tid = 0; tid < num_threads; ++tid) {
predictors.emplace_back(
CreatePaddlePredictor<AnalysisConfig, PaddleEngineKind::kAnalysis>(
config));
}
for (int tid = 0; tid < num_threads; ++tid) {
threads.emplace_back([&, tid]() {
// Each thread should have local inputs and outputs.
// The inputs of each thread are all the same.
std::vector<std::vector<PaddleTensor>> inputs_tid = inputs;
std::vector<PaddleTensor> outputs_tid;
Timer timer;
timer.tic();
for (int i = 0; i < num_times; i++) {
for (size_t j = 0; j < inputs_tid.size(); j++) {
predictors[tid]->Run(inputs_tid[j], &outputs_tid);
}
}
PrintTime(batch_size, num_times, num_threads, tid,
timer.toc() / num_times, inputs_tid.size());
});
}
for (int i = 0; i < num_threads; ++i) {
threads[i].join();
}
}
void TestPrediction(AnalysisConfig config,
const std::vector<std::vector<PaddleTensor>> inputs,
std::vector<PaddleTensor> *outputs, int num_threads) {
if (num_threads == 1) {
TestOneThreadPrediction(config, inputs, outputs);
} else {
TestMultiThreadPrediction(config, inputs, outputs, num_threads);
}
}
} // namespace inference
} // namespace paddle
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