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Remove unnecessary deque allocation in perft

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closes https://github.com/official-stockfish/Stockfish/pull/6182

No functional change.
This commit is contained in:
87
2025-07-28 20:05:26 +02:00
committed by Joost VandeVondele
parent a9b7638e96
commit 1d8f118c3e
1 changed files with 3 additions and 3 deletions
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src/perft.h
+3 -3
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@@ -56,9 +56,9 @@ uint64_t perft(Position& pos, Depth depth) {
} }
inline uint64_t perft(const std::string& fen, Depth depth, bool isChess960) { inline uint64_t perft(const std::string& fen, Depth depth, bool isChess960) {
StateListPtr states(new std::deque<StateInfo>(1)); StateInfo st;
Position p; Position p;
p.set(fen, isChess960, &states->back()); p.set(fen, isChess960, &st);
return perft<true>(p, depth); return perft<true>(p, depth);
} }