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103 lines
3.5 KiB
103 lines
3.5 KiB
/* 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 "ParameterServerController.h"
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namespace paddle {
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ParameterServerController::ParameterServerController(
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const ParameterServerConfig& config) {
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// round robin to load balance RDMA server ENGINE
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std::vector<std::string> devices;
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int rdmaCpu = 0;
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int onlineCpus = rdma::numCpus();
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int numPorts = config.ports_num() + config.ports_num_for_sparse();
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if (config.nics().empty()) {
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parameterServers_.resize(numPorts);
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for (int i = 0; i < numPorts; ++i) {
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if (config.rdma_tcp() == "rdma") {
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parameterServers_[i].reset(
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new ParameterServer2(std::string(), config.port() + i, rdmaCpu++));
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rdmaCpu = rdmaCpu % onlineCpus;
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} else {
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parameterServers_[i].reset(
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new ParameterServer2(std::string(), config.port() + i));
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}
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CHECK(parameterServers_[i]->init()) << "Fail to initialize parameter "
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"server on port "
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<< config.port() + i;
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}
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} else {
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str::split(config.nics(), ',', &devices);
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parameterServers_.resize(devices.size() * numPorts);
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for (int i = 0; i < numPorts; ++i) {
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for (size_t j = 0; j < devices.size(); ++j) {
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if (config.rdma_tcp() == "rdma") {
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parameterServers_[i * devices.size() + j].reset(new ParameterServer2(
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getIpAddr(devices[j]), config.port() + i, rdmaCpu++));
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rdmaCpu = rdmaCpu % onlineCpus;
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} else {
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parameterServers_[i * devices.size() + j].reset(
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new ParameterServer2(getIpAddr(devices[j]), config.port() + i));
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}
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CHECK(parameterServers_[i * devices.size() + j]->init())
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<< "Fail to initialize parameter server with device " << devices[j]
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<< config.port() + i;
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}
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}
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}
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}
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ParameterServerController::~ParameterServerController() { this->wait(); }
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ParameterServerController* ParameterServerController::createFromGflags() {
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ParameterServerConfig config;
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config.set_nics(FLAGS_nics);
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config.set_rdma_tcp(FLAGS_rdma_tcp);
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config.set_port(FLAGS_port);
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config.set_ports_num(FLAGS_ports_num);
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config.set_ports_num_for_sparse(FLAGS_ports_num_for_sparse);
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return create(config);
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}
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ParameterServerController* ParameterServerController::create(
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const ParameterServerConfig& config) {
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return new ParameterServerController(config);
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}
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void ParameterServerController::start() {
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LOG(INFO) << "number of parameterServer instances: "
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<< parameterServers_.size();
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int i = 0;
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for (const auto& parameterServer : parameterServers_) {
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LOG(INFO) << "Starting parameterServer[" << i << "]";
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parameterServer->start();
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i++;
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}
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}
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void ParameterServerController::wait() {
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int i = 0;
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for (const auto& parameterServer : parameterServers_) {
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LOG(INFO) << "Waiting parameterServer[" << i << "]";
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parameterServer->join();
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i++;
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}
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}
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} // namespace paddle
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