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Fuse nested 4-bit scale reconstruction on SM103 - #2051

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heiheiha798 wants to merge 6 commits into

bitsandbytes-foundation:mainfrom

heiheiha798:b300/sm103-nested-4bit-dequant

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Fuse nested 4-bit scale reconstruction on SM103#2051
heiheiha798 wants to merge 6 commits into
bitsandbytes-foundation:mainfrom
heiheiha798:b300/sm103-nested-4bit-dequant

Commits on Aug 21, 2026
- Fuse nested 4-bit dequantization on SM103
  heiheiha798
  committed
  304dd23
- Add nested 4-bit dequant benchmark
  heiheiha798
  committed
  4c7e1f5
- Preserve nested dequant compatibility
  heiheiha798
  committed
  fe35f68
Commits on Aug 22, 2026
- Route nested dequantization through torch ops
  heiheiha798
  committed
  3f33012
- Test nested dequant device validation
  heiheiha798
  committed
  2883b38
Commits on Aug 25, 2026
- Test nested dequantization across CUDA CI
  heiheiha798
  committed
  23aaa29