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cherry-pick: #10161 and #10640 into therock-10.1-20260825 - #10866

Closed

sdarisala wants to merge 11 commits into

release/bkc/therock-10.1-20260825from

rccl-cherry-pick/10640-10161-bkc-10.1-20260825

Closed

cherry-pick: #10161 and #10640 into therock-10.1-20260825#10866
sdarisala wants to merge 11 commits into
release/bkc/therock-10.1-20260825from
rccl-cherry-pick/10640-10161-bkc-10.1-20260825

Commits on Aug 28, 2026
- fix(rccl): disable Rome model matching for gfx1250
  
  authored and
  sdarisala
  committed
  e700a86
- fix(rccl): address PR review - use ASSERT_EQ instead of macros in test
  
  authored and
  sdarisala
  committed
  802e163
- fix(rccl): add INFO message when Rome model matching is disabled
  
  authored and
  sdarisala
  committed
  efcfdcf
- fix(rccl): stop encoding MLOPart in PCI function bits and misclassifying XGMI peers
  
  authored and
  sdarisala
  committed
  d63e8f8
- test(rccl): cover MLOPart busId overlay and XGMI accelerator tclass
  
  authored and
  sdarisala
  committed
  3f4facf
- fix(rccl): stamp UALoE XGMI tclass and cover MLOPart overlay
  
  wenkaidu
  authored and
  sdarisala
  committed
  fdcecb2
- fix(rccl): map HIP logical GPU BDFs to real PCIe and keep XGMI as GPU
  
  wenkaidu
  authored and
  sdarisala
  committed
  3bf627f
- fix(rccl): hang HIP logical GPUs off the physical PCI node via MLOPart
  
  authored and
  sdarisala
  committed
  56c30d3
- fix(rccl): look up AllGather3 GPU node by rank, not raw busId
  
  authored and
  sdarisala
  committed
  4a28cd5
- test(rccl): stub ncclOsGetPciDeviceClassByBusId for init microtests
  
  authored and
  sdarisala
  committed
  8695116
- fix(rccl): encode CPX MLOPart 0-7 above the PCI function nibble
  
  authored and
  sdarisala
  committed
  d406348