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99 lines
3.2 KiB
99 lines
3.2 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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#pragma once
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#include <time.h>
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#include <chrono> // NOLINT
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#include <ctime>
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#include <functional>
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#include <iostream>
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#include <map>
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#include <mutex> // NOLINT
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#include <string>
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#include <vector>
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#include "brpc/channel.h"
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#include "paddle/fluid/framework/blocking_queue.h"
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#include "paddle/fluid/framework/data_type.h"
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#include "paddle/fluid/framework/lod_tensor.h"
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#include "paddle/fluid/framework/scope.h"
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#include "paddle/fluid/framework/selected_rows.h"
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#include "paddle/fluid/operators/distributed/rpc_client.h"
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#include "paddle/fluid/operators/distributed/send_recv.pb.h"
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#include "paddle/fluid/platform/macros.h" // for DISABLE_COPY_AND_ASSIGN
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namespace paddle {
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namespace operators {
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namespace distributed {
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struct ChannelContext {
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brpc::Channel channel;
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std::shared_ptr<sendrecv::SendRecvService_Stub> stub;
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};
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typedef std::shared_ptr<ChannelContext> ChannelContextPtr;
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typedef std::shared_ptr<framework::BlockingQueue<ChannelContextPtr>>
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ChannelQueuePtr;
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class BRPCClient : public RPCClient {
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public:
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BRPCClient() {}
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virtual ~BRPCClient();
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bool AsyncSendVar(const std::string& ep, const platform::DeviceContext& ctx,
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const framework::Scope& scope, const std::string& var_name,
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int64_t time_out = FLAGS_rpc_deadline) override;
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bool AsyncGetVar(const std::string& ep, const platform::DeviceContext& ctx,
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const framework::Scope& scope, const std::string& var_name,
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int64_t time_out = FLAGS_rpc_deadline) override;
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bool AsyncPrefetchVar(const std::string& ep,
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const platform::DeviceContext& ctx,
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const framework::Scope& scope,
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const std::string& in_var_name,
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const std::string& out_var_name,
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int64_t time_out = FLAGS_rpc_deadline) override;
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void AsyncSendBatchBarrier(const std::string& ep,
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int64_t time_out = FLAGS_rpc_deadline) override;
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void AsyncSendFetchBarrier(const std::string& ep,
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int64_t time_out = FLAGS_rpc_deadline) override;
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void Wait() override;
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private:
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void Proceed();
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ChannelQueuePtr GetChannel(const std::string& ep);
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private:
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std::unordered_map<std::string, ChannelQueuePtr> channels_;
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// mutex for Wait client sync
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std::mutex sync_mutex_;
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std::condition_variable sync_cond_;
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std::atomic<int64_t> req_count_{0};
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// mutex for GetChannel thread safety
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std::mutex chan_mutex_;
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DISABLE_COPY_AND_ASSIGN(BRPCClient);
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};
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} // namespace distributed
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} // namespace operators
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} // namespace paddle
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