PyTorch Hardware Enablement: Updates from the Acceleration Integration Working Group – PyTorch

The PyTorch Accelerator Integration Working Group recaps its H1 2026 progress on standardizing how new hardware backends integrate with PyTorch. Key deliverables include Cross-Repository CI Relay (CRCR) for cross-project CI visibility, a large-scale test suite refactor to decouple tests from specific hardware, a reference profiling stub built on OpenReg, continued maturation of OpenReg as the reference PrivateUse1 backend, a new OCCL reference implementation for distributed collective communication, compiler (Dynamo/Inductor) backend integration guidance, and a new official PyTorch Additional Platforms page with a formal admission process for hardware vendors.

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