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94 lines
2.3 KiB
94 lines
2.3 KiB
/* Copyright (c) 2019 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 <atomic>
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#include <ctime>
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#include <map>
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#include <memory>
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#include <random>
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#include <string>
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#include <vector>
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#include "paddle/fluid/framework/program_desc.h"
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#include "paddle/fluid/framework/scope.h"
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#include "paddle/fluid/framework/variable_helper.h"
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#ifdef PADDLE_WITH_NCCL
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#include "paddle/fluid/platform/dynload/nccl.h"
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#endif
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#ifdef PADDLE_WITH_RCCL
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#include "paddle/fluid/platform/dynload/rccl.h"
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#endif
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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 framework {
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class Scope;
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} // namespace framework
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} // namespace paddle
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namespace paddle {
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namespace framework {
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class NCCLInfo {
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public:
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NCCLInfo() {}
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virtual ~NCCLInfo() {}
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public:
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int local_rank_;
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int global_ranks_;
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int my_global_rank_;
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#if defined(PADDLE_WITH_NCCL) || defined(PADDLE_WITH_RCCL)
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ncclUniqueId nccl_id_;
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ncclComm_t comm_;
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gpuStream_t stream_;
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#endif
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};
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class NCCLWrapper {
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public:
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virtual ~NCCLWrapper() {}
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NCCLWrapper() {}
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void InitNCCL();
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void SetNCCLId(const NCCLInfo& nccl_info);
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NCCLInfo GetNCCLId();
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void SetRankInfo(const int local_rank, const int global_rank,
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const int ranks);
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void SyncVar(const int root_rank, const Scope& scope,
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const std::vector<std::string>& var_names);
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static std::shared_ptr<NCCLWrapper> GetInstance() {
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if (NULL == s_instance_) {
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s_instance_.reset(new paddle::framework::NCCLWrapper());
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}
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return s_instance_;
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}
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public:
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NCCLInfo nccl_info_;
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private:
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static std::shared_ptr<NCCLWrapper> s_instance_;
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protected:
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static bool is_initialized_;
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DISABLE_COPY_AND_ASSIGN(NCCLWrapper);
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};
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} // end namespace framework
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} // end namespace paddle
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