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Set to the correct device in ProcessGroupUCC::initComm #40

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Set to the correct device in ProcessGroupUCC::initComm #40

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5 changes: 5 additions & 0 deletions src/torch_ucc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -802,6 +802,11 @@ c10::intrusive_ptr<ProcessGroup> ProcessGroupUCC::createProcessGroupUCC(

void ProcessGroupUCC::initComm(c10::Device dev) {
if (!comm) {
#ifdef USE_CUDA
if (dev.is_cuda()) {
c10::cuda::set_device(dev.index());
}
#endif
comm = CommPG::get_comm(comm_id, dev, &oob);
comm->ucx_connect_eps(eps, &oob);
comm->ucc_create_team(team, &oob);
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