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Pass accumulator caches by reference

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closes https://github.com/official-stockfish/Stockfish/pull/6416

No functional change
This commit is contained in:
Shawn Xu
2025-11-14 17:32:17 +01:00
committed by Joost VandeVondele
parent a191791f46
commit db824e26be
5 changed files with 13 additions and 13 deletions
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src/evaluate.cpp
+4 -4
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@@ -59,15 +59,15 @@ Value Eval::evaluate(const Eval::NNUE::Networks& networks,
assert(!pos.checkers());
bool smallNet = use_smallnet(pos);
auto [psqt, positional] = smallNet ? networks.small.evaluate(pos, accumulators, &caches.small)
: networks.big.evaluate(pos, accumulators, &caches.big);
auto [psqt, positional] = smallNet ? networks.small.evaluate(pos, accumulators, caches.small)
: networks.big.evaluate(pos, accumulators, caches.big);
Value nnue = (125 * psqt + 131 * positional) / 128;
// Re-evaluate the position when higher eval accuracy is worth the time spent
if (smallNet && (std::abs(nnue) < 236))
{
std::tie(psqt, positional) = networks.big.evaluate(pos, accumulators, &caches.big);
std::tie(psqt, positional) = networks.big.evaluate(pos, accumulators, caches.big);
nnue = (125 * psqt + 131 * positional) / 128;
smallNet = false;
}
@@ -107,7 +107,7 @@ std::string Eval::trace(Position& pos, const Eval::NNUE::Networks& networks) {
ss << std::showpoint << std::showpos << std::fixed << std::setprecision(2) << std::setw(15);
auto [psqt, positional] = networks.big.evaluate(pos, *accumulators, &caches->big);
auto [psqt, positional] = networks.big.evaluate(pos, *accumulators, caches->big);
Value v = psqt + positional;
v = pos.side_to_move() == WHITE ? v : -v;
ss << "NNUE evaluation " << 0.01 * UCIEngine::to_cp(v, pos) << " (white side)\n";