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Use improving in FP #245

Merged
merged 5 commits into from
Jul 6, 2024
Merged

Use improving in FP #245

merged 5 commits into from
Jul 6, 2024

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sroelants
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Some clean-up rebasing means the SHA in the test doesn't correspond to this branch, but it's the same commit, trust me.

Elo   | 5.43 +- 4.10 (95%)
SPRT  | 8.0+0.08s Threads=1 Hash=16MB
LLR   | 2.96 (-2.94, 2.94) [0.00, 5.00]
Games | N: 13762 W: 4302 L: 4087 D: 5373
Penta | [431, 1569, 2697, 1722, 462]
https://chess.samroelants.com/test/64/

@sroelants
Use improving in FP
01a79af 
Do _less_ aggressive futility pruning when the position is improving

bench 5125808
@sroelants
Use improving in fp depth threshold
5cdcfa3 
bench 4858125
@sroelants
Actually _reduce_ the depth up to which we can fp
9549e29 
bench 4887454
@sroelants
Reduce the futility margin when _not_ improving
c15f20c 
bench 4530699
@sroelants
Increase fp margin by fixed amount when improving
a2005cb 
bench 5223642
@sroelants sroelants merged commit 75b1f5d into main Jul 6, 2024
2 checks passed
@sroelants sroelants deleted the search/improving-fp branch July 6, 2024 19:19
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