[Issue]: NCCL will not find next team

[Qizhi697]

nccl/src/dev_runtime.cc

Lines 252 to 271 in 25368a7

	while (true) {
	if (t == nullptr) {
	teamIsNew = true;
	t = (struct ncclDevrTeam*)malloc(sizeof(struct ncclDevrTeam) + team.nRanks*sizeof(int));
	t->team = team;
	t->mcHandle = 0x0;
	t->mcBasePtr = nullptr;
	for (int i=0; i < team.nRanks; i++) {
	t->worldRankList[i] = comm->rank + (i - team.rank)*team.stride;
	}
	break;
	} else if (t->team.rank == team.rank && t->team.nRanks == team.nRanks && t->team.stride == team.stride) {
	if (!multimem || t->mcBasePtr != nullptr) {
	// Matching team is sufficient
	if (outTeam) *outTeam = t;
	return ncclSuccess;
	}
	break; // Need to enable multimem
	}
	}

NCCL Version

2.29.3