Adjust P2P channels on Intel platform (#653)

Este commit está contenido en:
Wenkai Du
2022-11-29 13:57:10 -08:00
cometido por GitHub
padre 11862f67de
commit 9594bbee3b
+7 -1
Ver fichero
@@ -814,7 +814,13 @@ ncclResult_t ncclTopoComputeP2pChannels(struct ncclComm* comm) {
}
}
if (comm->topo->nodes[GPU].count == comm->topo->nRanks && (comm->topo->type & RCCL_TOPO_4P2H_ROME) && !(comm->topo->type & RCCL_TOPO_GDR_ALL) && !(comm->topo->type & RCCL_TOPO_XGMI_ALL)) {
int arch, vendor, model;
NCCLCHECK(ncclTopoCpuType(comm->topo, &arch, &vendor, &model));
if (arch == NCCL_TOPO_CPU_ARCH_X86 || vendor == NCCL_TOPO_CPU_VENDOR_INTEL) {
// Adjust P2P channels on Intel platform
comm->p2pnChannelsPerPeer = 1;
comm->p2pnChannels = 2;
} else if (comm->topo->nodes[GPU].count == comm->topo->nRanks && (comm->topo->type & RCCL_TOPO_4P2H_ROME) && !(comm->topo->type & RCCL_TOPO_GDR_ALL) && !(comm->topo->type & RCCL_TOPO_XGMI_ALL)) {
// Adjust P2P channels on Rome
comm->p2pnChannelsPerPeer = 2;
comm->p2pnChannels = 2;