Adding functionality for metadata communication across hosts#9570
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kvshbg-aws wants to merge 6 commits intopytorch:masterfrom
Open
Adding functionality for metadata communication across hosts#9570kvshbg-aws wants to merge 6 commits intopytorch:masterfrom
kvshbg-aws wants to merge 6 commits intopytorch:masterfrom
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bfolie
reviewed
Aug 25, 2025
bfolie
reviewed
Aug 25, 2025
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The approach seems good. However I don't think this should be merged until the corresponding PyTorch PR has been merged and these tests can be activated. |
pgmoka
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Aug 26, 2025
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pgmoka
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pgmoka
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LGTM pending the follow-up from #9570 (comment).
rpsilva-aws
approved these changes
Aug 28, 2025
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This PR implement pipeline parallelism support for XLA devices with cross-host metadata communication capabilities. And has been tested on NEURON devices.
Key points -
test_basic_pipelining.py)xla_pipeline_stage_coordinator.py) useful for cross-host communications and used during shape_inference of torch pp codeCorresponding PR on pytorch - pytorch/pytorch#161017