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Change default nchannels per peer (#563)

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This commit is contained in:
Wenkai Du
2022-06-13 06:39:05 -07:00
committed by GitHub
parent a1fe1adf1c
commit f274c865c1
1 changed files with 1 additions and 1 deletions
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src/graph/paths.cc
+1 -1
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@@ -707,7 +707,7 @@ void ncclTopoFree(struct ncclTopoSystem* system) {
free(system);
}
NCCL_PARAM(NChannelsPerNetPeer, "NCHANNELS_PER_NET_PEER", 2);
NCCL_PARAM(NChannelsPerNetPeer, "NCHANNELS_PER_NET_PEER", 1);
static ncclResult_t ncclTopoGetNchannels(struct ncclTopoSystem* system, int g /*local gpu index*/, int peerRank, int* nChannels) {
int peer;