X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbenchmark.cpp;h=1d97c95b7109a720a8b1302ad95f1a43e387c5d5;hp=450afa99f926ff235706de0461c21caec26383d4;hb=8a7876d48d4360d14d918c1ff444b5d6eb0382de;hpb=bd1c3ed7e32d3df0ceb29cb6959599e3cac2057c diff --git a/src/benchmark.cpp b/src/benchmark.cpp index 450afa99..1d97c95b 100644 --- a/src/benchmark.cpp +++ b/src/benchmark.cpp @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, 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 @@ -17,6 +17,7 @@ along with this program. If not, see . */ +#include #include #include #include @@ -27,11 +28,13 @@ #include "search.h" #include "thread.h" #include "tt.h" -#include "ucioption.h" +#include "uci.h" using namespace std; -static const char* Defaults[] = { +namespace { + +const char* Defaults[] = { "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1", "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 10", "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - - 0 11", @@ -64,12 +67,13 @@ static const char* Defaults[] = { "8/3p3B/5p2/5P2/p7/PP5b/k7/6K1 w - - 0 1" }; +} // namespace /// benchmark() runs a simple benchmark by letting Stockfish analyze a set -/// of positions for a given limit each. There are five parameters; the +/// of positions for a given limit each. There are five parameters: the /// transposition table size, the number of search threads that should /// be used, the limit value spent for each position (optional, default is -/// depth 12), an optional file name where to look for positions in fen +/// depth 13), an optional file name where to look for positions in FEN /// format (defaults are the positions defined above) and the type of the /// limit value: depth (default), time in secs or number of nodes. @@ -80,7 +84,7 @@ void benchmark(const Position& current, istream& is) { vector fens; // Assign default values to missing arguments - string ttSize = (is >> token) ? token : "32"; + string ttSize = (is >> token) ? token : "16"; string threads = (is >> token) ? token : "1"; string limit = (is >> token) ? token : "13"; string fenFile = (is >> token) ? token : "default"; @@ -126,7 +130,7 @@ void benchmark(const Position& current, istream& is) { file.close(); } - int64_t nodes = 0; + uint64_t nodes = 0; Search::StateStackPtr st; Time::point elapsed = Time::now(); @@ -137,20 +141,19 @@ void benchmark(const Position& current, istream& is) { cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl; if (limitType == "perft") - { - size_t cnt = Search::perft(pos, limits.depth * ONE_PLY); - cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl; - nodes += cnt; - } + nodes += Search::perft(pos, limits.depth * ONE_PLY); + else { - Threads.start_thinking(pos, limits, vector(), st); + Threads.start_thinking(pos, limits, st); Threads.wait_for_think_finished(); nodes += Search::RootPos.nodes_searched(); } } - elapsed = Time::now() - elapsed + 1; // Assure positive to avoid a 'divide by zero' + elapsed = std::max(Time::now() - elapsed, Time::point(1)); // Avoid a 'divide by zero' + + dbg_print(); // Just before to exit cerr << "\n===========================" << "\nTotal time (ms) : " << elapsed