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Set-wise knight/bishop/rook attack generation#909

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codedeliveryservice merged 2 commits intocodedeliveryservice:mainfrom
87flowers:nfc-setwise-attack-generation
Apr 19, 2026
Merged

Set-wise knight/bishop/rook attack generation#909
codedeliveryservice merged 2 commits intocodedeliveryservice:mainfrom
87flowers:nfc-setwise-attack-generation

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@87flowers 87flowers commented Apr 19, 2026

Locally 1.03 ± 0.02 times faster.

VSTC (AVX512)
Elo | 1.64 +- 1.32 (95%)
SPRT | 4.0+0.04s Threads=1 Hash=16MB
LLR | 2.92 (-2.25, 2.89) [0.00, 3.00]
Games | N: 69852 W: 18158 L: 17829 D: 33865
Penta | [355, 7623, 18657, 7920, 371]
https://recklesschess.space/test/13592/

No functional change.

Bench: 2900111

@codedeliveryservice codedeliveryservice merged commit b974fbe into codedeliveryservice:main Apr 19, 2026
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@87flowers 87flowers deleted the nfc-setwise-attack-generation branch April 19, 2026 13:14
codedeliveryservice pushed a commit that referenced this pull request Apr 19, 2026
Ported #909 to AVX2.

VSTC (AVX2)
Elo   | 3.01 +- 2.06 (95%)
SPRT  | 4.0+0.04s Threads=1 Hash=16MB
LLR   | 3.13 (-2.25, 2.89) [0.00, 3.00]
Games | N: 28872 W: 7605 L: 7355 D: 13912
Penta | [133, 3123, 7696, 3329, 155]
https://recklesschess.space/test/13611/

No functional change.

Bench: 3344311
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