David Addison
17c8317cb1
Added detection of IBM/Power NVLink bridge device.
Add NUMA support to PCI distance calculations.
Added NCCL_IGNORE_CPU_AFFINITY env var.
Fix memory leaks; GithubIssue#180
Compiler warning fix; GithubIssue#178
Replace non-standard variable length arrays. GithubIssue#171
Fix Tree+Shared Memory crash. GithubPR#185
Fix LL cleanup hang during long running DL jobs.
Fix NCCL_RINGS environment variable handling.
Added extra checks to catch repeat calls to ncclCommDestroy() GithubIssue#191
Improve bootstrap socket connection reliability at scale.
Fix hostname hashing issue. GithubIssue#187
Code cleanup to rename all non device files from *.cu to *.cc
[ROCm/rccl commit: f40ce73e89]
28 строки
1.1 KiB
C
28 строки
1.1 KiB
C
/*************************************************************************
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* Copyright (c) 2015-2019, 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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// Channels / LL tuning
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#define NCCL_LL_CHANNEL_THRESHOLD 8 // Per thread size before we start increasing nrings
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#define NCCL_THREAD_THRESHOLD 64 // Per thread size before we switch to non-LL
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#define NCCL_THREAD_THRESHOLD_PREVOLTA 32 // Per thread size before we switch to non-LL for pre-Volta archs
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#define NCCL_LL_MIN_NTHREADS 64
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ncclResult_t ncclEnqueueCheck(struct ncclInfo* info);
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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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