/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
- Copyright (c) 2013 Ronald de Man
- Copyright (C) 2016-2020 Marco Costalba, Lucas Braesch
+ Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
*mapping = statbuf.st_size;
*baseAddress = mmap(nullptr, statbuf.st_size, PROT_READ, MAP_SHARED, fd, 0);
+#if defined(MADV_RANDOM)
madvise(*baseAddress, statbuf.st_size, MADV_RANDOM);
+#endif
::close(fd);
if (*baseAddress == MAP_FAILED)
if (entry->hasPawns) {
idx = LeadPawnIdx[leadPawnsCnt][squares[0]];
- std::sort(squares + 1, squares + leadPawnsCnt, pawns_comp);
+ std::stable_sort(squares + 1, squares + leadPawnsCnt, pawns_comp);
for (int i = 1; i < leadPawnsCnt; ++i)
idx += Binomial[i][MapPawns[squares[i]]];
while (d->groupLen[++next])
{
- std::sort(groupSq, groupSq + d->groupLen[next]);
+ std::stable_sort(groupSq, groupSq + d->groupLen[next]);
uint64_t n = 0;
// Map down a square if "comes later" than a square in the previous
auto moveList = MoveList<LEGAL>(pos);
size_t totalCount = moveList.size(), moveCount = 0;
- for (const Move& move : moveList)
+ for (const Move move : moveList)
{
if ( !pos.capture(move)
&& (!CheckZeroingMoves || type_of(pos.moved_piece(move)) != PAWN))
LeadPawnsSize[leadPawnsCnt][f] = idx;
}
- // Add entries in TB tables if the corresponding ".rtbw" file exsists
+ // Add entries in TB tables if the corresponding ".rtbw" file exists
for (PieceType p1 = PAWN; p1 < KING; ++p1) {
TBTables.add({KING, p1, KING});
StateInfo st;
int minDTZ = 0xFFFF;
- for (const Move& move : MoveList<LEGAL>(pos))
+ for (const Move move : MoveList<LEGAL>(pos))
{
bool zeroing = pos.capture(move) || type_of(pos.moved_piece(move)) == PAWN;