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]
18 строки
606 B
C
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
|