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[core][rdt] Add Axon tensor transport backends - #67186

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Florentino-Ding:add_Axon_RDT_backend
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Florentino-Ding wants to merge 2 commits into
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Florentino-Ding:add_Axon_RDT_backend

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Description

Register Axon backends for NumPy arrays and PyTorch CPU/CUDA tensors. Use receiver-initiated transfers without scheduling Ray sender tasks.

Integrate transport cleanup with worker shutdown and normal process exit. Release completed-transfer actor references held by the failure monitor so actors and their resources can be reclaimed automatically.

Add transfer and lifecycle tests, documentation, and optional Axon coverage in the single-node RDT microbenchmark.

Related issues

Related to #66890

Florentino-Ding and others added 2 commits October 20, 2026 19:35
Register Axon backends for NumPy arrays and PyTorch CPU/CUDA tensors.
Use receiver-initiated transfers without scheduling Ray sender tasks.

Integrate transport cleanup with worker shutdown and normal process exit.
Release completed-transfer actor references held by the failure monitor
so actors and their resources can be reclaimed automatically.

Add transfer and lifecycle tests, documentation, and optional Axon
coverage in the single-node RDT microbenchmark.

Signed-off-by: FlorentinoDing <dingluran@outlook.com>

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