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PyTorch·Jun 29, 2026·v1.0·open source

Cross-Repository CI Relay (CRCR)

PyTorch's Cross-Repository CI Relay (CRCR) is an automated system that connects upstream PyTorch events to downstream continuous integration (CI) systems, enabling seamless testing and reporting across repositories. It ensures that changes in the main PyTorch repository are automatically tested in related downstream repositories, providing a unified dashboard for maintainers to monitor both in-tree and cross-repository CI health without requiring custom integrations from downstream projects.

PyTorchCI RelayCross-Repository IntegrationOpen Source
overview

PyTorch's Cross-Repository CI Relay (CRCR) is an automated system that connects upstream PyTorch events to downstream continuous integration (CI) systems, enabling seamless testing and reporting across repositories. It ensures that changes in the main PyTorch repository are automatically tested in related downstream repositories, providing a unified dashboard for maintainers to monitor both in-tree and cross-repository CI health without requiring custom integrations from downstream projects.

key features
  • 01Automated dispatch of upstream PyTorch events to downstream repositories
  • 02Unified dashboard for monitoring both in-tree and cross-repository CI health
  • 03Tiered allowlist system supporting incremental onboarding and differentiated access
  • 04Secure and efficient flow of information with multiple validation stages
  • 05Minimal integration burden for downstream repositories
  • 06Provision of valuable metrics like queue time and execution time
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