Added creation of new tree and added switch for using treesplit for specific cases (#551)

[ROCm/rccl commit: 98f0809a39]
2022-05-25 18:55:14 -04:00
parent a2a4888497
commit 22dc8bd246
8 changed files with 229 additions and 6 deletions
@@ -789,6 +789,8 @@ ncclResult_t initTransportsRank_3(struct ncclComm* comm, struct allGather3Data_t
  NCCLCHECK(ncclCalloc(&rings, nranks*MAXCHANNELS));
  NCCLCHECK(ncclTopoPostset(comm, nodesFirstRank, nodesTreePatterns, allTopoRanks, rings, &collNetGraph, nc));

+  if (comm->topo->pivotA2ANumBiRings == 3) NCCLCHECK(ncclTreeBasePostset(comm, &treeGraph));
+
  free(allTopoRanks);
  free(nodesTreePatterns);
  free(nodesFirstRank);