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Simplify Accumulator Updates #5760

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Simplify Accumulator Updates #5760

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xu-shawn
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@xu-shawn xu-shawn commented Jan 11, 2025 •
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After #5759 accumulator updates are strictly on a per-move basis. Therefore, the generic code for updating multiple moves at once is no longer needed.

Passed Non-regression STC:
LLR: 3.00 (-2.94,2.94) <-1.75,0.25>
Total: 81696 W: 21204 L: 21039 D: 39453
Ptnml(0-2): 210, 8431, 23416, 8566, 225
https://tests.stockfishchess.org/tests/view/67823a24a31c4c13e83518a8

no functional change

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vondele commented Jan 11, 2025

missing link to https://tests.stockfishchess.org/tests/view/67823a24a31c4c13e83518a8

@Disservin Disservin added the simplification A simplification patch label Jan 11, 2025
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Ryzen 5 7600X

sf_base =  1869972 +/-   5572 (95%)
sf_test =  1871071 +/-   5603 (95%)
diff    =     1098 +/-   3357 (95%)
speedup = 0.05877% +/- 0.180% (95%)

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@xu-shawn @vondele @Disservin