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57 lines
1.5 KiB
57 lines
1.5 KiB
6 years ago
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// Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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#ifdef PADDLE_WITH_BRPC_RDMA
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#include <pthread.h> // NOLINT
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#include <string>
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#include <unordered_map>
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namespace paddle {
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namespace operators {
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namespace distributed {
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/*
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* This class is used to avoid duplicated registion of brpc::rdma.
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*/
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class RdmaMemPool {
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public:
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static RdmaMemPool& Instance();
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RdmaMemPool() : access_(PTHREAD_RWLOCK_INITIALIZER) {}
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virtual ~RdmaMemPool() { pthread_rwlock_destroy(&access_); }
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void Register(const std::string& varname, void* data, int64_t size);
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void* Find(const std::string& varname, int64_t size);
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private:
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struct VarInfo {
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void* data;
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int64_t data_size;
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VarInfo() : data(nullptr), data_size(0) {}
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};
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private:
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std::unordered_map<std::string, VarInfo> pool_;
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pthread_rwlock_t access_;
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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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#endif
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