Files
rocm-systems/projects/rccl/src/include/rings.h
T
David Addison 17c8317cb1 NCCL 2.4.6-1
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]
2019-04-05 13:05:45 -07:00

18 строки
606 B
C

/*************************************************************************
* Copyright (c) 2015-2019, NVIDIA CORPORATION. All rights reserved.
*
* See LICENSE.txt for license information
************************************************************************/
#ifndef NCCL_RINGS_H_
#define NCCL_RINGS_H_
static int getDefaultThreads() {
// On Kepler, rings are doubled later.
return ncclCudaCompCap() == 3 ? 128 : 256;
}
ncclResult_t ncclGetRings(int* nrings, int* nthreads, int rank, int nranks, int* transports, ncclTvalue_t* values, int* prev, int* next, int* treeIn, int* treeOut);
#endif