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Simplified select best thread (#958)

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Only select best thread if score is better and depth equal or larger.

STC (7 threads): http://tests.stockfishchess.org/tests/view/586a4d090ebc5903140c64b2
LLR: 2.95 (-2.94,2.94) [-3.00,1.00]
Total: 120297 W: 18652 L: 18682 D: 82963

LTC (7 threads): http://tests.stockfishchess.org/tests/view/586e31b30ebc5903140c663d
LLR: 2.96 (-2.94,2.94) [-3.00,1.00]
Total: 57187 W: 7035 L: 6959 D: 43193

bench: 4940355
This commit is contained in:
ElbertoOne 2017-01-09 10:26:50 +01:00 • committed by Marco Costalba
parent 3ab3e55bb5
commit d39ffbeea6
1 changed files with 1 additions and 2 deletions
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3
src/search.cpp
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@ -316,8 +316,7 @@ void MainThread::search() {
Depth depthDiff = th->completedDepth - bestThread->completedDepth; Depth depthDiff = th->completedDepth - bestThread->completedDepth;
Value scoreDiff = th->rootMoves[0].score - bestThread->rootMoves[0].score; Value scoreDiff = th->rootMoves[0].score - bestThread->rootMoves[0].score;
if ( (depthDiff > 0 && scoreDiff >= 0) if (scoreDiff > 0 && depthDiff >= 0)
|| (scoreDiff > 0 && depthDiff >= 0))
bestThread = th; bestThread = th;
} }
} }