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Simplifiy TM's root complexity

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Also requires moving optimism initialization, this is a very early `evaluate()` call.

STC: https://tests.stockfishchess.org/tests/view/6428c39677ff3301150ca0d7
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 51256 W: 13805 L: 13612 D: 23839
Ptnml(0-2): 145, 5283, 14592, 5450, 158

LTC: https://tests.stockfishchess.org/tests/view/64296ff377ff3301150cc519
LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 106968 W: 28951 L: 28830 D: 49187
Ptnml(0-2): 47, 9746, 33789, 9843, 59

closes https://github.com/official-stockfish/Stockfish/pull/4492

no functional change
This commit is contained in:
Dubslow 2023-04-01 18:48:31 -05:00 • committed by Joost VandeVondele
parent 1fee996999
commit 77e2b915e1
1 changed files with 2 additions and 6 deletions
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8
src/search.cpp
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@ -290,15 +290,13 @@ void Thread::search() {
bestValue = delta = alpha = -VALUE_INFINITE; bestValue = delta = alpha = -VALUE_INFINITE;
beta = VALUE_INFINITE; beta = VALUE_INFINITE;
optimism[us] = optimism[~us] = VALUE_ZERO;
if (mainThread) if (mainThread)
{ {
int rootComplexity; int rootComplexity;
if (Eval::useNNUE) Eval::evaluate(rootPos, &rootComplexity);
Eval::NNUE::evaluate(rootPos, true, &rootComplexity);
else
Eval::evaluate(rootPos, &rootComplexity);
mainThread->complexity = std::min(1.03 + (rootComplexity - 241) / 1552.0, 1.45); mainThread->complexity = std::min(1.03 + (rootComplexity - 241) / 1552.0, 1.45);
@ -320,8 +318,6 @@ void Thread::search() {
multiPV = std::min(multiPV, rootMoves.size()); multiPV = std::min(multiPV, rootMoves.size());
optimism[us] = optimism[~us] = VALUE_ZERO;
int searchAgainCounter = 0; int searchAgainCounter = 0;
// Iterative deepening loop until requested to stop or the target depth is reached // Iterative deepening loop until requested to stop or the target depth is reached