434 lines
18 KiB
C++
434 lines
18 KiB
C++
/* Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
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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 <google/protobuf/text_format.h>
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#include <cstdlib>
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#include <string>
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#include <vector>
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#include "io/fs.h"
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#include "paddle/fluid/framework/data_feed_factory.h"
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#include "paddle/fluid/framework/data_set.h"
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#include "paddle/fluid/framework/device_worker_factory.h"
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#include "paddle/fluid/framework/trainer.h"
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#if (defined PADDLE_WITH_NCCL || defined PADDLE_WITH_RCCL || \
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defined PADDLE_WITH_XPU_BKCL) && \
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(defined PADDLE_WITH_PSLIB)
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#ifdef PADDLE_WITH_CUDA
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#include "paddle/phi/core/platform/cuda_device_guard.h"
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#endif
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namespace paddle {
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namespace framework {
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void PSGPUTrainer::Initialize(const TrainerDesc& trainer_desc,
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Dataset* dataset) {
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SetDataset(dataset);
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thread_num_ = trainer_desc.thread_num();
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param_ = trainer_desc.downpour_param();
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ParseDumpConfig(trainer_desc);
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mpi_rank_ = trainer_desc.mpi_rank();
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mpi_size_ = trainer_desc.mpi_size();
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for (int i = 0; i < param_.dense_table_size(); ++i) {
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uint64_t table_id = static_cast<uint64_t>(param_.dense_table(i).table_id());
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auto table = param_.dense_table(i);
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dense_grad_names_[table_id].resize(table.dense_grad_name_size());
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for (int j = 0; j < table.dense_grad_name_size(); ++j) {
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dense_grad_names_[table_id][j] = table.dense_grad_name(j);
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}
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}
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InitializeGPUServer(trainer_desc);
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scale_datanorm_ = trainer_desc.scale_datanorm();
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int place_num = trainer_desc.worker_places_size();
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const std::vector<paddle::framework::DataFeed*> readers =
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dataset->GetReaders();
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dump_file_num_ = trainer_desc.dump_file_num();
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user_define_dump_filename_ = trainer_desc.user_define_dump_filename();
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std::vector<int> dev_ids;
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for (int i = 0; i < place_num; ++i) {
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int num = trainer_desc.worker_places(i);
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#ifdef PADDLE_WITH_CUDA
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GPUPlace place = GPUPlace(num);
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#endif
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#ifdef PADDLE_WITH_XPU_KP
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XPUPlace place = XPUPlace(num);
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#endif
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places_.push_back(place);
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dev_ids.push_back(num);
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}
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for (int i = 0; i < trainer_desc.downpour_param().stat_var_names_size();
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i++) {
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need_merge_var_names_.push_back(
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trainer_desc.downpour_param().stat_var_names(i));
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}
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VLOG(3) << "going to initialize pull dense worker";
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SetDebug(trainer_desc.debug());
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trainer_desc_ = trainer_desc;
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workers_.resize(place_num);
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for (int i = 0; i < place_num; ++i) {
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workers_[i] = DeviceWorkerFactory::CreateDeviceWorker(
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trainer_desc.device_worker_name());
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workers_[i]->SetDeviceIndex(i);
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workers_[i]->SetNeedDumpField(need_dump_field_);
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workers_[i]->SetNeedDumpParam(need_dump_param_);
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workers_[i]->SetDumpFieldVector(dump_fields_);
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workers_[i]->SetDumpParamVector(dump_param_);
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workers_[i]->InitRandomDumpConfig(trainer_desc);
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workers_[i]->SetDataFeed(readers[i]);
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workers_[i]->SetPlace(places_[i]);
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workers_[i]->SetReaderPlace(places_[i]);
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workers_[i]->Initialize(trainer_desc);
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workers_[i]->SetWorkerNum(place_num);
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}
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return;
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}
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void add_sparse_optimizer(
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std::unordered_map<std::string, float>& config, // NOLINT
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const ::paddle::SparseCommonSGDRuleParameter& sgd_param,
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const std::string& prefix = "") {
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auto optimizer_name = sgd_param.name();
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if (optimizer_name == "naive") {
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config[prefix + "learning_rate"] = sgd_param.naive().learning_rate();
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config[prefix + "initial_range"] = sgd_param.naive().initial_range();
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if (sgd_param.naive().weight_bounds_size() == 2) {
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config[prefix + "min_bound"] = sgd_param.naive().weight_bounds()[0];
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config[prefix + "max_bound"] = sgd_param.naive().weight_bounds()[1];
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}
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} else if (optimizer_name == "adagrad") {
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config[prefix + "learning_rate"] = sgd_param.adagrad().learning_rate();
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config[prefix + "initial_range"] = sgd_param.adagrad().initial_range();
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config[prefix + "initial_g2sum"] = sgd_param.adagrad().initial_g2sum();
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if (sgd_param.adagrad().weight_bounds_size() == 2) {
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config[prefix + "min_bound"] = sgd_param.adagrad().weight_bounds()[0];
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config[prefix + "max_bound"] = sgd_param.adagrad().weight_bounds()[1];
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}
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} else if (optimizer_name == "std_adagrad") {
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config[prefix + "learning_rate"] = sgd_param.adagrad().learning_rate();
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config[prefix + "initial_range"] = sgd_param.adagrad().initial_range();
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config[prefix + "initial_g2sum"] = sgd_param.adagrad().initial_g2sum();
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if (sgd_param.adagrad().weight_bounds_size() == 2) {
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config[prefix + "min_bound"] = sgd_param.adagrad().weight_bounds()[0];
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config[prefix + "max_bound"] = sgd_param.adagrad().weight_bounds()[1];
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}
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} else if (optimizer_name == "adam") {
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config[prefix + "learning_rate"] = sgd_param.adam().learning_rate();
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config[prefix + "initial_range"] = sgd_param.adam().initial_range();
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if (sgd_param.adam().weight_bounds_size() == 2) {
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config[prefix + "min_bound"] = sgd_param.adam().weight_bounds()[0];
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config[prefix + "max_bound"] = sgd_param.adam().weight_bounds()[1];
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}
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}
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}
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void PSGPUTrainer::InitializeGPUServer(const TrainerDesc& trainer_desc) {
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// optimizer config for hbmps
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auto fleet_desc_str = trainer_desc.fleet_desc();
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google::protobuf::TextFormat::ParseFromString(fleet_desc_str, &_ps_param);
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auto sparse_table =
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_ps_param.server_param().downpour_server_param().downpour_table_param(0);
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auto sparse_table_accessor = sparse_table.accessor();
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auto sparse_table_accessor_parameter =
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sparse_table_accessor.downpour_accessor_param();
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auto accessor_class = sparse_table_accessor.accessor_class();
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// NOTE(zhangminxu): gpups' sparse table optimizer config,
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// now only support single sparse table
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// auto sparse_table = param_.sparse_table(0);
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std::unordered_map<std::string, float> config;
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if (accessor_class == "DownpourFeatureValueAccessor" ||
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accessor_class == "DownpourCtrAccessor" ||
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accessor_class == "DownpourCtrDoubleAccessor") {
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config["nonclk_coeff"] = sparse_table_accessor_parameter.nonclk_coeff();
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config["clk_coeff"] = sparse_table_accessor_parameter.click_coeff();
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config["learning_rate"] =
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sparse_table_accessor.sparse_sgd_param().learning_rate();
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config["initial_g2sum"] =
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sparse_table_accessor.sparse_sgd_param().initial_g2sum();
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config["initial_range"] =
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sparse_table_accessor.sparse_sgd_param().initial_range();
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if (sparse_table_accessor.sparse_sgd_param().weight_bounds_size() == 2) {
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config["min_bound"] =
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sparse_table_accessor.sparse_sgd_param().weight_bounds()[0];
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config["max_bound"] =
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sparse_table_accessor.sparse_sgd_param().weight_bounds()[1];
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}
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// NOTE(zhangminxu): for DownpourCtrAccessor & DownpourCtrDoubleAccessor,
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// optimizer config for embed_w & embedx_w is the same
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config["mf_create_thresholds"] = sparse_table_accessor.embedx_threshold();
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config["mf_learning_rate"] = config["learning_rate"];
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config["mf_initial_g2sum"] = config["initial_g2sum"];
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config["mf_initial_range"] = config["initial_range"];
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config["mf_min_bound"] = config["min_bound"];
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config["mf_max_bound"] = config["max_bound"];
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} else if (accessor_class == "DownpourSparseValueAccessor") {
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auto optimizer_name = sparse_table_accessor.sparse_commonsgd_param().name();
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if (optimizer_name == "naive") {
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config["learning_rate"] = sparse_table_accessor.sparse_commonsgd_param()
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.naive()
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.learning_rate();
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config["initial_range"] = sparse_table_accessor.sparse_commonsgd_param()
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.naive()
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.initial_range();
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if (sparse_table_accessor.sparse_commonsgd_param()
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.naive()
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.weight_bounds_size() == 2) {
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config["min_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.naive()
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.weight_bounds()[0];
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config["max_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.naive()
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.weight_bounds()[1];
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}
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} else if (optimizer_name == "adagrad") {
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config["learning_rate"] = sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.learning_rate();
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config["initial_range"] = sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.initial_range();
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config["initial_g2sum"] = sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.initial_g2sum();
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if (sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.weight_bounds_size() == 2) {
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config["min_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.weight_bounds()[0];
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config["max_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.adagrad()
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.weight_bounds()[1];
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}
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} else if (optimizer_name == "adam") {
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config["learning_rate"] =
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sparse_table_accessor.sparse_commonsgd_param().adam().learning_rate();
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config["initial_range"] =
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sparse_table_accessor.sparse_commonsgd_param().adam().initial_range();
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if (sparse_table_accessor.sparse_commonsgd_param()
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.adam()
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.weight_bounds_size() == 2) {
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config["min_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.adam()
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.weight_bounds()[0];
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config["max_bound"] = sparse_table_accessor.sparse_commonsgd_param()
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.adam()
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.weight_bounds()[1];
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}
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}
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} else if (accessor_class == "DownpourUnitAccessor" ||
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accessor_class == "DownpourDoubleUnitAccessor") {
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config["nonclk_coeff"] = sparse_table_accessor_parameter.nonclk_coeff();
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config["clk_coeff"] = sparse_table_accessor_parameter.click_coeff();
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config["mf_create_thresholds"] = sparse_table_accessor.embedx_threshold();
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// optimizer config for embed_w and embedx
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add_sparse_optimizer(config, sparse_table_accessor.embed_sgd_param());
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add_sparse_optimizer(
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config, sparse_table_accessor.embedx_sgd_param(), "mf_");
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}
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auto ps_gpu_wrapper = paddle::framework::PSGPUWrapper::GetInstance();
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ps_gpu_wrapper->InitializeGPUServer(config);
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}
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std::string PSGPUTrainer::GetDumpPath(int tid) {
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if (user_define_dump_filename_ != "") {
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return string::format_string("%s/part-%s-%05d",
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dump_fields_path_.c_str(),
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user_define_dump_filename_.c_str(),
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tid);
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}
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return string::format_string(
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"%s/part-%03d-%05d", dump_fields_path_.c_str(), mpi_rank_, tid);
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}
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void PSGPUTrainer::RegisterHeterCallback() {
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/*
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auto fleet_ptr = FleetWrapper::GetInstance();
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fleet_ptr->RegisterHeterCallback([this](int worker, int taskid) {
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// workers_[worker]->Schedule(taskid);
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});
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*/
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}
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void PSGPUTrainer::InitTrainerEnv(const ProgramDesc& main_program,
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const Place& place) {
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for (size_t i = 0; i < places_.size(); ++i) {
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workers_[i]->SetRootScope(root_scope_);
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workers_[i]->CreateDeviceResource(main_program); // Program
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workers_[i]->BindingDataFeedMemory();
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}
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for (size_t num = 0; num < places_.size(); ++num) {
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auto place = places_[num];
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Scope* scope = workers_[num]->GetThreadScope();
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auto& block = main_program.Block(0);
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for (auto& var : block.AllVars()) {
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if (var->Persistable()) {
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auto name = var->Name();
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auto* ptr = scope->Var(name);
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InitializeVariable(ptr, proto::VarType::DENSE_TENSOR);
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Variable* root_var = root_scope_->FindVar(name);
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if (!root_var) {
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continue;
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}
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DenseTensor* root_tensor = root_var->GetMutable<DenseTensor>();
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DenseTensor* thread_tensor = ptr->GetMutable<DenseTensor>();
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TensorCopy(*root_tensor, place, thread_tensor);
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}
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}
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}
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for (auto& var : main_program.Block(0).AllVars()) {
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if (var->Persistable()) {
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auto it = std::find(need_merge_var_names_.begin(),
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need_merge_var_names_.end(),
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var->Name());
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if (it == need_merge_var_names_.end()) {
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VLOG(2) << "train param: " << var->Name();
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trainable_param_.push_back(var->Name());
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}
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}
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}
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for (size_t num = 0; num < places_.size(); ++num) {
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Scope* scope = workers_[num]->GetThreadScope();
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for (size_t i = 0; i < need_merge_var_names_.size(); i++) {
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Variable* thread_var = scope->FindVar(need_merge_var_names_[i]);
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if (thread_var != nullptr) {
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continue;
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}
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auto* ptr = scope->Var(need_merge_var_names_[i]);
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InitializeVariable(ptr, proto::VarType::DENSE_TENSOR);
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}
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}
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place_ = place;
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return;
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}
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void PSGPUTrainer::InitDumpEnv() {
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queue_ = paddle::framework::MakeChannel<std::string>();
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for (size_t i = 0; i < places_.size(); ++i) {
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workers_[i]->SetChannelWriter(queue_.get());
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}
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dump_thread_num_ = 1;
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if (dump_file_num_ > mpi_size_) {
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dump_thread_num_ = dump_file_num_ / mpi_size_;
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if (dump_file_num_ % mpi_size_ > mpi_rank_) {
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dump_thread_num_ += 1;
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}
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}
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for (int i = 0; i < dump_thread_num_; i++) {
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dump_thread_.push_back(
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std::thread(std::bind(&TrainerBase::DumpWork, this, i)));
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}
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}
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void PSGPUTrainer::InitOtherEnv(const ProgramDesc& main_program) {
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if (need_dump_field_ || need_dump_param_) {
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InitDumpEnv();
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}
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VLOG(3) << "init other env done.";
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}
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void PSGPUTrainer::Run() {
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for (size_t thidx = 0; thidx < places_.size(); ++thidx) {
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if (!debug_) {
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threads_.push_back(
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std::thread(&DeviceWorker::TrainFiles, workers_[thidx].get()));
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} else {
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threads_.push_back(std::thread(&DeviceWorker::TrainFilesWithProfiler,
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workers_[thidx].get()));
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}
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}
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}
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Scope* PSGPUTrainer::GetWorkerScope(int thread_id) { return nullptr; }
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template <typename T>
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void PSGPUTrainer::MergeToRootScope(DenseTensor* root_tensor,
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DenseTensor* tensor) {
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DenseTensor tmp_root;
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TensorCopySync(*root_tensor, CPUPlace(), &tmp_root);
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T* tmp_root_data = tmp_root.data<T>();
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DenseTensor tmp_tensor;
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TensorCopySync(*tensor, CPUPlace(), &tmp_tensor);
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T* data = tmp_tensor.data<T>();
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for (int i = 0; i < tmp_tensor.numel(); i++) {
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tmp_root_data[i] += data[i];
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}
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TensorCopySync(tmp_root, CPUPlace(), root_tensor);
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}
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void PSGPUTrainer::MergeDenseParam() {
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auto thread_scope = workers_[0]->GetThreadScope();
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for (auto& name : trainable_param_) {
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VLOG(2) << "merge var " << name << " to root scope";
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Variable* root_var = root_scope_->FindVar(name);
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DenseTensor* root_tensor = root_var->GetMutable<DenseTensor>();
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Variable* var = thread_scope->FindVar(name);
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DenseTensor* tensor = var->GetMutable<DenseTensor>();
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TensorCopySync((*tensor), root_tensor->place(), root_tensor);
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}
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}
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void PSGPUTrainer::Finalize() {
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for (auto& th : threads_) {
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th.join();
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}
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for (size_t i = 0; i < need_merge_var_names_.size(); i++) {
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Variable* root_var = root_scope_->FindVar(need_merge_var_names_[i]);
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if (root_var == nullptr) {
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continue;
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}
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DenseTensor* root_tensor = root_var->GetMutable<DenseTensor>();
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if (root_tensor == nullptr || !root_tensor->IsInitialized()) {
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continue;
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}
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for (size_t j = 0; j < places_.size(); j++) {
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Scope* cur_thread_scope = workers_[j]->GetThreadScope();
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Variable* thread_var =
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cur_thread_scope->FindVar(need_merge_var_names_[i]);
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if (thread_var == nullptr) {
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continue;
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}
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DenseTensor* thread_tensor = thread_var->GetMutable<DenseTensor>();
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if (thread_tensor == nullptr || !thread_tensor->IsInitialized()) {
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continue;
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}
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#define MergeCallback(cpp_type, proto_type) \
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do { \
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if (framework::TransToProtoVarType(root_tensor->dtype()) == proto_type) { \
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if (framework::TransToProtoVarType(thread_tensor->dtype()) != \
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proto_type) { \
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VLOG(0) << "Error: thread id=" << j << ", need_merge_var_names_[" << i \
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<< "] " << need_merge_var_names_[i] \
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<< ", root tensor type=" << root_tensor->dtype() \
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<< ", thread tensor type=" << thread_tensor->dtype(); \
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exit(-1); \
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} \
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MergeToRootScope<cpp_type>(root_tensor, thread_tensor); \
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} \
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} while (0)
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_ForEachDataType_(MergeCallback);
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|
}
|
|
}
|
|
MergeDenseParam();
|
|
if (need_dump_field_ || need_dump_param_) {
|
|
FinalizeDumpEnv();
|
|
}
|
|
root_scope_->DropKids();
|
|
}
|
|
} // namespace framework
|
|
} // namespace paddle
|
|
#endif
|