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/*************************************************************************
* Copyright (c) 2015-2017, NVIDIA CORPORATION. All rights reserved.
*
* See LICENSE.txt for license information
************************************************************************/
#ifndef NCCL_GROUP_H_
#define NCCL_GROUP_H_
#include "nccl.h"
#include "core.h"
bool ncclAsyncMode();
ncclResult_t ncclAsyncErrCheck(ncclResult_t ret);
typedef ncclResult_t(*ncclInitFunc_t)(ncclComm_t* newcomm, int ndev, ncclUniqueId commId, int myrank);
ncclResult_t ncclAsyncInit(ncclInitFunc_t func, int cudaDev, ncclComm_t* newcomm, int ndev, ncclUniqueId commId, int myrank);
typedef ncclResult_t(*ncclCollFunc_t)(const void* sendbuff, void* recvbuff, size_t count,
ncclDataType_t type, ncclRedOp_t op, int root, ncclComm_t comm, cudaStream_t stream);
ncclResult_t ncclAsyncColl(ncclComm_t comm);
#endif
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