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Time mgmt fix division.

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oversight changed the corresponding float division to integer division in a previous tune 442c40b43d it is stronger to keep the original float division.

green LTC: https://tests.stockfishchess.org/tests/view/62bf34bc0340fb1e0cc934e7
LLR: 2.94 (-2.94,2.94) <0.50,3.00>
Total: 38952 W: 10738 L: 10467 D: 17747
Ptnml(0-2): 46, 3576, 11968, 3833, 53

yellow STC: https://tests.stockfishchess.org/tests/view/62bff6506178ffe6394ba1d1
LLR: -2.95 (-2.94,2.94) <0.00,2.50>
Total: 226960 W: 61265 L: 61062 D: 104633
Ptnml(0-2): 938, 24398, 62582, 24647, 915

further slightly tweaked tests confirm this Elo gain.

closes https://github.com/official-stockfish/Stockfish/pull/4097

No functional change
This commit is contained in:
Dubslow 2022-07-01 11:53:16 -05:00 • committed by Joost VandeVondele
parent c2aaaa65f9
commit aa18b68033
1 changed files with 1 additions and 1 deletions
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2
src/search.cpp
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@ -472,7 +472,7 @@ void Thread::search() {
double reduction = (1.56 + mainThread->previousTimeReduction) / (2.20 * timeReduction);
double bestMoveInstability = 1 + 1.7 * totBestMoveChanges / Threads.size();
int complexity = mainThread->complexityAverage.value();
double complexPosition = std::clamp(1.0 + (complexity - 277) / 1819, 0.5, 1.5);
double complexPosition = std::clamp(1.0 + (complexity - 277) / 1819.1, 0.5, 1.5);
double totalTime = Time.optimum() * fallingEval * reduction * bestMoveInstability * complexPosition;