X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=inline;f=src%2Fbenchmark.cpp;h=6d69541fcb574755fd21126880edbebc2bf6a38b;hb=d5ba8e827d840995e79435986a8a7a2a45626eca;hp=69bfc6c633a11219282645923d202f27ec05528c;hpb=29451de8749ac5c2ed8573ccaeb359a72b8c00c9;p=stockfish
diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index 69bfc6c6..6d69541f 100644
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -1,7 +1,8 @@
/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2014 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2015-2016 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
@@ -17,23 +18,22 @@
along with this program. If not, see .
*/
-#include
#include
#include
#include
#include
#include "misc.h"
-#include "notation.h"
#include "position.h"
#include "search.h"
#include "thread.h"
-#include "tt.h"
-#include "ucioption.h"
+#include "uci.h"
using namespace std;
-static const char* Defaults[] = {
+namespace {
+
+const vector 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",
@@ -63,9 +63,23 @@ static const char* Defaults[] = {
"6k1/6p1/P6p/r1N5/5p2/7P/1b3PP1/4R1K1 w - - 0 1",
"1r3k2/4q3/2Pp3b/3Bp3/2Q2p2/1p1P2P1/1P2KP2/3N4 w - - 0 1",
"6k1/4pp1p/3p2p1/P1pPb3/R7/1r2P1PP/3B1P2/6K1 w - - 0 1",
- "8/3p3B/5p2/5P2/p7/PP5b/k7/6K1 w - - 0 1"
+ "8/3p3B/5p2/5P2/p7/PP5b/k7/6K1 w - - 0 1",
+
+ // 5-man positions
+ "8/8/8/8/5kp1/P7/8/1K1N4 w - - 0 1", // Kc2 - mate
+ "8/8/8/5N2/8/p7/8/2NK3k w - - 0 1", // Na2 - mate
+ "8/3k4/8/8/8/4B3/4KB2/2B5 w - - 0 1", // draw
+
+ // 6-man positions
+ "8/8/1P6/5pr1/8/4R3/7k/2K5 w - - 0 1", // Re5 - mate
+ "8/2p4P/8/kr6/6R1/8/8/1K6 w - - 0 1", // Ka2 - mate
+ "8/8/3P3k/8/1p6/8/1P6/1K3n2 b - - 0 1", // Nd2 - draw
+
+ // 7-man positions
+ "8/R7/2q5/8/6k1/8/1P5p/K6R w - - 0 124" // Draw
};
+} // namespace
/// benchmark() runs a simple benchmark by letting Stockfish analyze a set
/// of positions for a given limit each. There are five parameters: the
@@ -73,16 +87,16 @@ static const char* Defaults[] = {
/// be used, the limit value spent for each position (optional, default is
/// 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.
+/// limit value: depth (default), time in millisecs or number of nodes.
void benchmark(const Position& current, istream& is) {
string token;
- Search::LimitsType limits;
vector fens;
+ Search::LimitsType limits;
// 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";
@@ -90,22 +104,22 @@ void benchmark(const Position& current, istream& is) {
Options["Hash"] = ttSize;
Options["Threads"] = threads;
- TT.clear();
+ Search::clear();
if (limitType == "time")
- limits.movetime = 1000 * atoi(limit.c_str()); // movetime is in ms
+ limits.movetime = stoi(limit); // movetime is in millisecs
else if (limitType == "nodes")
- limits.nodes = atoi(limit.c_str());
+ limits.nodes = stoi(limit);
else if (limitType == "mate")
- limits.mate = atoi(limit.c_str());
+ limits.mate = stoi(limit);
else
- limits.depth = atoi(limit.c_str());
+ limits.depth = stoi(limit);
if (fenFile == "default")
- fens.assign(Defaults, Defaults + 30);
+ fens = Defaults;
else if (fenFile == "current")
fens.push_back(current.fen());
@@ -113,7 +127,7 @@ void benchmark(const Position& current, istream& is) {
else
{
string fen;
- ifstream file(fenFile.c_str());
+ ifstream file(fenFile);
if (!file.is_open())
{
@@ -129,8 +143,7 @@ void benchmark(const Position& current, istream& is) {
}
uint64_t nodes = 0;
- Search::StateStackPtr st;
- Time::point elapsed = Time::now();
+ TimePoint elapsed = now();
for (size_t i = 0; i < fens.size(); ++i)
{
@@ -138,33 +151,22 @@ void benchmark(const Position& current, istream& is) {
cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
- if (limitType == "divide")
- for (MoveList it(pos); *it; ++it)
- {
- StateInfo si;
- pos.do_move(*it, si);
- uint64_t cnt = limits.depth > 1 ? Search::perft(pos, (limits.depth - 1) * ONE_PLY) : 1;
- pos.undo_move(*it);
- cerr << move_to_uci(*it, pos.is_chess960()) << ": " << cnt << endl;
- nodes += cnt;
- }
- else if (limitType == "perft")
- {
- uint64_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
- cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl;
- nodes += cnt;
- }
+ if (limitType == "perft")
+ nodes += Search::perft(pos, limits.depth * ONE_PLY);
+
else
{
+ Search::StateStackPtr st;
+ limits.startTime = now();
Threads.start_thinking(pos, limits, st);
- Threads.wait_for_think_finished();
- nodes += Search::RootPos.nodes_searched();
+ Threads.main()->wait_for_search_finished();
+ nodes += Threads.nodes_searched();
}
}
- elapsed = std::max(Time::now() - elapsed, Time::point(1)); // Avoid a 'divide by zero'
+ elapsed = now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero'
- dbg_print(); // Just before to exit
+ dbg_print(); // Just before exiting
cerr << "\n==========================="
<< "\nTotal time (ms) : " << elapsed