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Paddle/paddle/pserver/ParameterServer2Main.cpp

79 lines
2.6 KiB

/* Copyright (c) 2016 Baidu, Inc. All Rights Reserve.
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. */
#include "paddle/utils/Util.h"
#include "paddle/utils/StringUtil.h"
#include <fstream>
#include "paddle/utils/Flags.h"
#include "ParameterServer2.h"
#include "RDMANetwork.h"
using namespace paddle; // NOLINT
int main(int argc, char** argv) {
initMain(argc, argv);
std::vector<std::string> devices;
std::vector<std::shared_ptr<ParameterServer2>> pservers;
// round robin to loadbalance RDMA server ENGINE
int rdmaCpu = 0;
int onlineCpus = rdma::numCpus();
int numPorts = FLAGS_ports_num + FLAGS_ports_num_for_sparse;
if (FLAGS_nics.empty()) {
pservers.resize(numPorts);
for (int i = 0; i < numPorts; ++i) {
if (FLAGS_rdma_tcp == "rdma") {
pservers[i].reset(
new ParameterServer2(std::string(), FLAGS_port + i, rdmaCpu++));
rdmaCpu = rdmaCpu % onlineCpus;
} else {
pservers[i].reset(new ParameterServer2(std::string(), FLAGS_port + i));
}
CHECK(pservers[i]->init()) << "Fail to initialize parameter server"
<< FLAGS_port + i;
LOG(INFO) << "pserver started : " << FLAGS_port + i;
pservers[i]->start();
}
} else {
str::split(FLAGS_nics, ',', &devices);
pservers.resize(devices.size() * numPorts);
for (int i = 0; i < numPorts; ++i) {
for (size_t j = 0; j < devices.size(); ++j) {
if (FLAGS_rdma_tcp == "rdma") {
pservers[i * devices.size() + j].reset(new ParameterServer2(
getIpAddr(devices[j]), FLAGS_port + i, rdmaCpu++));
rdmaCpu = rdmaCpu % onlineCpus;
} else {
pservers[i * devices.size() + j].reset(
new ParameterServer2(getIpAddr(devices[j]), FLAGS_port + i));
}
CHECK(pservers[i * devices.size() + j]->init())
<< "Fail to initialize parameter server" << devices[j]
<< FLAGS_port + i;
LOG(INFO) << "pserver started : " << devices[j] << ":"
<< FLAGS_port + i;
pservers[i * devices.size() + j]->start();
}
}
}
for (auto& pserver : pservers) {
pserver->join();
}
return 0;
}