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add unregister wait_tensor #2019

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Merged
merged 4 commits into from
Sep 12, 2025
Merged

add unregister wait_tensor #2019

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cfe9a30
add unregister wait_tensor
Chao1Han Sep 5, 2025
332bc7e
add test case
Chao1Han Sep 5, 2025
b50d635
lint
Chao1Han Sep 8, 2025
4db3920
Merge branch 'main' into xccl/unregister_wait
Chao1Han Sep 8, 2025
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5 changes: 5 additions & 0 deletions src/xccl/ProcessGroupXCCL.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -283,6 +283,11 @@ bool ProcessGroupXCCL::WorkXCCL::isCompleted() {

void ProcessGroupXCCL::WorkXCCL::synchronize() {
synchronizeStream();
if (c10d::allow_inflight_collective_as_graph_input()) {
c10d::unregister_work(
c10::intrusive_ptr<
ProcessGroupXCCL::WorkXCCL>::unsafe_reclaim_from_nonowning(this));
}
}

void ProcessGroupXCCL::WorkXCCL::synchronizeStream() {
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