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NCCLTools.h
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NCCLTools.h
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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#ifdef PADDLE_WITH_CUDA
#include <cuda_runtime.h>
#endif
#ifdef PADDLE_WITH_HIP
#include <hip/hip_runtime.h>
#endif
#include <error.h>
#include <string>
#include "paddle/fluid/distributed/collective/Types.h"
#include "paddle/fluid/framework/data_type.h"
#include "paddle/fluid/framework/variable.h"
#if defined(PADDLE_WITH_CUDA) || defined(PADDLE_WITH_HIP)
#include "paddle/fluid/platform/cuda_device_guard.h"
#endif
#include "paddle/fluid/platform/device_context.h"
#ifdef PADDLE_WITH_RCCL
#include "paddle/fluid/platform/dynload/rccl.h"
#else
#include "paddle/fluid/platform/dynload/nccl.h"
#endif
#include "paddle/fluid/platform/enforce.h"
#include "paddle/utils/variant.h"
namespace paddle {
namespace distributed {
#define NCCL_CHECK(cmd) \
do { \
ncclResult_t r = cmd; \
if (r != ncclSuccess) { \
printf("Failed, NCCL error %s:%d '%s'\n", \
__FILE__, \
__LINE__, \
platform::dynload::ncclGetErrorString(r)); \
exit(EXIT_FAILURE); \
} \
} while (0)
ncclRedOp_t ToNCCLRedType(ReduceOp reduction);
std::string SerializeNCCLUniqueId(const ncclUniqueId& ncclID);
} // namespace distributed
} // namespace paddle