Sylvain Jeaugey
f93fe9bfd9
Add support for inter-node communication using sockets and InfiniBand/RoCE. Improve latency. Add support for aggregation. Improve LL/regular tuning. Remove tests as those are now at github.com/nvidia/nccl-tests .
27 lines
1.1 KiB
C
27 lines
1.1 KiB
C
/*************************************************************************
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* Copyright (c) 2015-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* See LICENSE.txt for license information
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************************************************************************/
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#ifndef NCCL_ENQUEUE_H_
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#define NCCL_ENQUEUE_H_
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#include "core.h"
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#include "group.h"
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typedef ncclResult_t(*ncclFunc_t)(const void* sendbuff, void* recvbuff, size_t count,
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ncclDataType_t type, ncclRedOp_t op, int root, ncclComm_t comm, cudaStream_t stream);
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ncclResult_t ncclEnqueueCheck(ncclFunc_t func, const char* primName, const void* sendbuff,
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void* recvbuff, size_t count, ncclDataType_t type, ncclRedOp_t op, int root,
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ncclComm_t comm, cudaStream_t stream);
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ncclResult_t ncclCpuBarrierIn(ncclComm_t comm, int* isLast);
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ncclResult_t ncclCpuBarrierLast(ncclComm_t comm);
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ncclResult_t ncclCpuBarrierOut(ncclComm_t comm);
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ncclResult_t ncclBarrierEnqueue(ncclComm_t comm);
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ncclResult_t ncclBarrierEnqueueWait(ncclComm_t comm);
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ncclResult_t ncclEnqueueEvents(ncclComm_t comm);
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#endif // End include guard
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