fix: alignment and padding of sliced CUDA Arrow bitmaps - #9926

Merged

0ax1 merged 16 commits into

ad/cuda-arrow-bitmap-correctness

Sep 22, 2026

Commits on Sep 22, 2026

fix: export sliced CUDA Arrow bitmaps safely
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4881704
refactor(cuda): simplify bitmap exports and avoid redundant initialization
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0d4a180
docs(cuda): explain bitmap alignment and padding requirements
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e842cec
docs(cuda): shorten unpadded test upload comment
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4239255
docs(cuda): explain safe bitmap word-load fast path
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f9056e6
docs(cuda): describe bitmap loads in bytes
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ef0c517
refactor(cuda): hoist bitmap byte-load loop bound
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97bd938
docs(cuda): distinguish bitmap reader alignment requirements
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ac20547
test(cuda): pin nonempty bitmap repack output invariant
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262573b
fix(cuda): cap bitmap repack grid size
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4046db6
refactor(cuda): name initialized padding count explicitly
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603e86a
fix(cuda): streamline sliced bitmap exports and pin coverage
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3c81966
perf(cuda): pad kernel-produced bitmaps for Arrow reuse
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9896d0b
test(cuda): cover capped bitmap null counting
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3d0e482
docs(cuda): explain bitmap tail padding for cuDF reads
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bea223f
style(cuda): format bitmap benchmarks with pinned nightly
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50ec1e4