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Stack allocate NNUE buffer

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Passed simp STC

LLR: 2.94 (-2.94,2.94) <-1.75,0.25>
Total: 29632 W: 7772 L: 7552 D: 14308
Ptnml(0-2): 76, 3155, 8147, 3349,

Id expect there to be a small speedup (bc the compiler can skip some
stores) but i haven’t tried to measure it

closes https://github.com/official-stockfish/Stockfish/pull/6688

No functional change
This commit is contained in:
anematode
2026-04-02 20:30:44 +02:00
committed by Disservin
parent 7926f16ea7
commit 347fcaa392
3 changed files with 7 additions and 16 deletions
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src/search.cpp
+3 -5
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@@ -2035,9 +2035,8 @@ void syzygy_extend_pv(const OptionsMap& options,
for (const auto& m : MoveList<LEGAL>(pos))
legalMoves.emplace_back(m);
TB::Config config =
TB::rank_root_moves(options, pos, legalMoves, false, time_abort);
RootMove& rm = *std::find(legalMoves.begin(), legalMoves.end(), pvMove);
TB::Config config = TB::rank_root_moves(options, pos, legalMoves, false, time_abort);
RootMove& rm = *std::find(legalMoves.begin(), legalMoves.end(), pvMove);
if (legalMoves[0].tbRank != rm.tbRank)
break;
@@ -2096,8 +2095,7 @@ void syzygy_extend_pv(const OptionsMap& options,
[](const Search::RootMove& a, const Search::RootMove& b) { return a.tbRank > b.tbRank; });
// The winning side tries to minimize DTZ, the losing side maximizes it
TB::Config config =
TB::rank_root_moves(options, pos, legalMoves, true, time_abort);
TB::Config config = TB::rank_root_moves(options, pos, legalMoves, true, time_abort);
// If DTZ is not available we might not find a mate, so we bail out
if (!config.rootInTB || config.cardinality > 0)