X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftt.cpp;h=653d081f8f0eb01859408043467a4e0486241f2f;hp=4780e2d3424d110baea5b3dff69b58ec9a9679c2;hb=25c42223ff4e1c7df626d4e867cc5698d95ffc4a;hpb=bc3b148d5712ef9ea00e74d3ff5aea10a4d3cabe diff --git a/src/tt.cpp b/src/tt.cpp index 4780e2d3..653d081f 100644 --- a/src/tt.cpp +++ b/src/tt.cpp @@ -2,7 +2,7 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad - Copyright (C) 2015-2018 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad + Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,6 +24,7 @@ #include "bitboard.h" #include "misc.h" +#include "thread.h" #include "tt.h" #include "uci.h" @@ -58,6 +59,8 @@ void TTEntry::save(Key k, Value v, Bound b, Depth d, Move m, Value ev) { void TranspositionTable::resize(size_t mbSize) { + Threads.main()->wait_for_search_finished(); + clusterCount = mbSize * 1024 * 1024 / sizeof(Cluster); free(mem); @@ -82,9 +85,9 @@ void TranspositionTable::clear() { std::vector threads; - for (size_t idx = 0; idx < Options["Threads"]; idx++) + for (size_t idx = 0; idx < Options["Threads"]; ++idx) { - threads.push_back(std::thread([this, idx]() { + threads.emplace_back([this, idx]() { // Thread binding gives faster search on systems with a first-touch policy if (Options["Threads"] > 8) @@ -97,7 +100,7 @@ void TranspositionTable::clear() { stride : clusterCount - start; std::memset(&table[start], 0, len * sizeof(Cluster)); - })); + }); } for (std::thread& th: threads) @@ -145,12 +148,9 @@ TTEntry* TranspositionTable::probe(const Key key, bool& found) const { int TranspositionTable::hashfull() const { int cnt = 0; - for (int i = 0; i < 1000 / ClusterSize; i++) - { - const TTEntry* tte = &table[i].entry[0]; - for (int j = 0; j < ClusterSize; j++) - if ((tte[j].genBound8 & 0xFC) == generation8) - cnt++; - } - return cnt; + for (int i = 0; i < 1000 / ClusterSize; ++i) + for (int j = 0; j < ClusterSize; ++j) + cnt += (table[i].entry[j].genBound8 & 0xFC) == generation8; + + return cnt * 1000 / (ClusterSize * (1000 / ClusterSize)); }