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Cache the ROCm warp size per device instead of for device 0 - #2101

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IxMxAMAR wants to merge 2 commits into

bitsandbytes-foundation:mainfrom

IxMxAMAR:fix/rocm-per-device-warp-size

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Cache the ROCm warp size per device instead of for device 0#2101
IxMxAMAR wants to merge 2 commits into
bitsandbytes-foundation:mainfrom
IxMxAMAR:fix/rocm-per-device-warp-size

Commits on Oct 18, 2026
- fix(rocm): cache warp size per device, not for device 0
  IxMxAMAR
  committed
  b9ee073
- fix(rocm): fall back to BNB_WARP_SIZE instead of 32
  IxMxAMAR
  committed
  9404fb1