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107 lines
3.4 KiB
107 lines
3.4 KiB
/* Copyright (c) 2016 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 <unistd.h>
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#include <string>
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#include <thread> // NOLINT
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#include "gtest/gtest.h"
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#include "paddle/fluid/framework/op_registry.h"
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#include "paddle/fluid/framework/operator.h"
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#include "paddle/fluid/framework/program_desc.h"
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#include "paddle/fluid/operators/detail/macros.h"
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#include "paddle/fluid/operators/distributed/request_handler_impl.h"
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#include "paddle/fluid/operators/listen_and_serv_op.h"
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#include "paddle/fluid/operators/math/math_function.h"
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#include "paddle/fluid/operators/math/selected_rows_functor.h"
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#include "paddle/fluid/platform/nccl_helper.h"
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#include "paddle/fluid/string/printf.h"
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#ifdef PADDLE_WITH_GRPC
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#include "paddle/fluid/operators/send_recv_util.h"
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#endif
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USE_NO_KERNEL_OP(listen_and_serv);
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namespace f = paddle::framework;
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namespace p = paddle::platform;
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namespace m = paddle::operators::math;
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namespace distributed = paddle::operators::distributed;
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namespace string = paddle::string;
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std::unique_ptr<distributed::RPCServer> g_rpc_service;
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std::unique_ptr<distributed::RequestHandler> g_req_handler;
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void StartServer() {
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f::Scope scope;
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p::CPUPlace place;
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scope.Var(NCCL_ID_VARNAME);
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p::DeviceContextPool& pool = p::DeviceContextPool::Instance();
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auto& dev_ctx = *pool.Get(p::CPUPlace());
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f::ProgramDesc empty_program;
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f::Executor executor(dev_ctx.GetPlace());
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g_req_handler->SetScope(&scope);
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g_req_handler->SetDevCtx(&dev_ctx);
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g_req_handler->SetProgram(&empty_program);
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g_req_handler->SetExecutor(&executor);
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g_rpc_service->RegisterRPC(distributed::kRequestSend, g_req_handler.get());
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g_req_handler->SetRPCServer(g_rpc_service.get());
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std::thread server_thread(
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std::bind(&distributed::RPCServer::StartServer, g_rpc_service.get()));
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g_rpc_service->SetCond(distributed::kRequestSend);
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g_rpc_service->WaitBarrier(distributed::kRequestSend);
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LOG(INFO) << "got nccl id and stop server...";
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g_rpc_service->ShutDown();
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server_thread.join();
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}
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TEST(SendNcclId, RPCServer) {
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g_req_handler.reset(new distributed::RequestSendHandler(true));
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g_rpc_service.reset(new RPCSERVER_T("127.0.0.1:0", 1));
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std::thread server_thread(StartServer);
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g_rpc_service->WaitServerReady();
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f::Scope scope;
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p::CPUPlace place;
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p::DeviceContextPool& pool = p::DeviceContextPool::Instance();
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auto& dev_ctx = *pool.Get(p::CPUPlace());
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auto var = scope.Var(NCCL_ID_VARNAME);
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auto id = var->GetMutable<ncclUniqueId>();
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p::dynload::ncclGetUniqueId(id);
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int port = g_rpc_service->GetSelectedPort();
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std::string ep = string::Sprintf("127.0.0.1:%d", port);
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distributed::RPCClient* client =
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distributed::RPCClient::GetInstance<RPCCLIENT_T>();
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LOG(INFO) << "connect to server" << ep;
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client->AsyncSendVar(ep, dev_ctx, scope, NCCL_ID_VARNAME);
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client->Wait();
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client->AsyncSendBatchBarrier(ep);
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client->Wait();
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server_thread.join();
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g_rpc_service.reset(nullptr);
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g_req_handler.reset(nullptr);
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}
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