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95 lines
2.9 KiB
95 lines
2.9 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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#pragma once
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#include "paddle/framework/data_type.h"
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#include "paddle/framework/lod_tensor.h"
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#include "paddle/framework/scope.h"
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#include "paddle/framework/selected_rows.h"
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#include "paddle/operators/detail/simple_block_queue.h"
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#include "paddle/operators/detail/send_recv.grpc.pb.h"
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#include "paddle/operators/detail/send_recv.pb.h"
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#include <grpc++/grpc++.h>
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using grpc::Channel;
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using grpc::Server;
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using grpc::ServerContext;
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using grpc::ServerReader;
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using grpc::ServerBuilder;
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using grpc::ClientContext;
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using grpc::ClientReader;
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using grpc::ClientReaderWriter;
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using grpc::ClientWriter;
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using grpc::Status;
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using sendrecv::SendRecvService;
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using sendrecv::VariableMessage;
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using sendrecv::VoidMessage;
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namespace paddle {
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namespace operators {
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namespace detail {
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typedef std::pair<std::string, framework::LoDTensor> TensorWithName;
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class SendRecvServerImpl final : public SendRecvService::Service {
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public:
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explicit SendRecvServerImpl() {}
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Status SendVariable(ServerContext *context, const VariableMessage *in_var,
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VoidMessage *out_var) override;
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Status GetVariable(ServerContext *context, const VariableMessage *in_var,
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VariableMessage *out_var) override;
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Status Wait(ServerContext *context, const VoidMessage *in_var,
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VoidMessage *out_var) override;
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void Reset();
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void Done();
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void SetScope(framework::Scope *scope) { scope_ = scope; };
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const TensorWithName Get() { return this->var_recv_queue_.Pop(); }
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void Push(const TensorWithName &msg) { this->var_recv_queue_.Push(msg); }
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private:
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// received variable from RPC, operators fetch variable from this queue.
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SimpleBlockQueue<TensorWithName> var_recv_queue_;
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framework::Scope *scope_;
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// condition of the sub program
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std::mutex mutex_;
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bool done_;
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std::condition_variable condition_;
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};
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// RPCClient is a class to send tensors to pserver sub-network
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// using different hashing methods.
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class RPCClient {
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public:
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RPCClient(std::shared_ptr<Channel> channel)
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: stub_(SendRecvService::NewStub(channel)) {}
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bool SendVariable(const framework::Scope &scope, const std::string &inname);
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bool GetVariable(const framework::Scope &scope, const std::string &outname);
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void Wait();
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private:
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std::unique_ptr<SendRecvService::Stub> stub_;
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};
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} // namespace detail
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} // namespace operators
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} // namespace paddle
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