Adding functionality for metadata communication across hosts #9570
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bfolie
reviewed
Aug 25, 2025
bfolie
reviewed
Aug 25, 2025
|
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
reviewed
Aug 26, 2025
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