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/*************************************************************************
* Copyright (c) 2015-2018, 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
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