/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+ Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+ Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
- Glaurung is free software: you can redistribute it and/or modify
+ Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
-
- Glaurung is distributed in the hope that it will be useful,
+
+ Stockfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
//// Includes
////
#include <fstream>
-#include <sstream>
#include <vector>
-#include "benchmark.h"
#include "search.h"
#include "thread.h"
#include "ucioption.h"
+using namespace std;
////
//// Variables
////
-const std::string BenchmarkPositions[] = {
+static const string BenchmarkPositions[] = {
"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
- "r4rk1/1b2qppp/p1n1p3/1p6/1b1PN3/3BRN2/PP3PPP/R2Q2K1 b - - 7 16",
- "4r1k1/ppq3pp/3b4/2pP4/2Q1p3/4B1P1/PP5P/R5K1 b - - 0 20",
+ "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -",
+ "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -",
"4rrk1/pp1n3p/3q2pQ/2p1pb2/2PP4/2P3N1/P2B2PP/4RRK1 b - - 7 19",
"rq3rk1/ppp2ppp/1bnpb3/3N2B1/3NP3/7P/PPPQ1PP1/2KR3R w - - 7 14",
"r1bq1r1k/1pp1n1pp/1p1p4/4p2Q/4Pp2/1BNP4/PPP2PPP/3R1RK1 w - - 2 14",
"r1bq1r1k/b1p1npp1/p2p3p/1p6/3PP3/1B2NN2/PP3PPP/R2Q1RK1 w - - 1 16",
"3r1rk1/p5pp/bpp1pp2/8/q1PP1P2/b3P3/P2NQRPP/1R2B1K1 b - - 6 22",
"r1q2rk1/2p1bppp/2Pp4/p6b/Q1PNp3/4B3/PP1R1PPP/2K4R w - - 2 18",
- "4k2r/1pb2ppp/1p2p3/1R1p4/3P4/2r1PN2/P4PPP/1R4K1 b - 3 22",
- "3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - - 4 26"
+ "4k2r/1pb2ppp/1p2p3/1R1p4/3P4/2r1PN2/P4PPP/1R4K1 b - - 3 22",
+ "3q2k1/pb3p1p/4pbp1/2r5/PpN2N2/1P2P2P/5PP1/Q2R2K1 b - - 4 26",
+ ""
};
-
+
////
//// Functions
////
-/// benchmark() runs a simple benchmark by letting Glaurung analyze a set
-/// of positions for a given time each. There are four parameters; the
+/// benchmark() runs a simple benchmark by letting Stockfish analyze a set
+/// 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 time in seconds spent for each position (optional, default
-/// is 60) and an optional file name where to look for positions in fen
-/// format (default are the BenchmarkPositions defined above).
+/// be used, the limit value spent for each position (optional, default
+/// is ply 12), an optional file name where to look for positions in fen
+/// format (default are the BenchmarkPositions defined above) and the type
+/// of the limit value: depth (default), time in secs or number of nodes.
/// The analysis is written to a file named bench.txt.
-void benchmark(const std::string& commandLine) {
+void benchmark(int argc, char* argv[]) {
- std::istringstream csVal(commandLine);
- std::istringstream csStr(commandLine);
- std::string ttSize, threads, fileName;
- int val, secsPerPos;
+ vector<string> positions;
+ string ttSize, threads, valStr, posFile, valType;
+ int val, secsPerPos, maxDepth, maxNodes;
- csStr >> ttSize;
- csVal >> val;
- if (val < 4 || val > 1024)
- {
- std::cerr << "The hash table size must be between 4 and 1024" << std::endl;
- exit(EXIT_FAILURE);
- }
- csStr >> threads;
- csVal >> val;
- if (val < 1 || val > THREAD_MAX)
- {
- std::cerr << "The number of threads must be between 1 and " << THREAD_MAX
- << std::endl;
- exit(EXIT_FAILURE);
- }
- set_option_value("Hash", ttSize);
- set_option_value("Threads", threads);
- set_option_value("OwnBook", "false");
- set_option_value("Use Search Log", "true");
- set_option_value("Search Log Filename", "bench.txt");
-
- csVal >> secsPerPos;
- csVal >> fileName;
-
- std::vector<std::string> positions;
-
- if (fileName != "default")
+ ttSize = argc > 2 ? argv[2] : "128";
+ threads = argc > 3 ? argv[3] : "1";
+ valStr = argc > 4 ? argv[4] : "12";
+ posFile = argc > 5 ? argv[5] : "default";
+ valType = argc > 6 ? argv[6] : "depth";
+
+ Options["Hash"].set_value(ttSize);
+ Options["Threads"].set_value(threads);
+ Options["OwnBook"].set_value("false");
+ Options["Use Search Log"].set_value("true");
+ Options["Search Log Filename"].set_value("bench.txt");
+
+ secsPerPos = maxDepth = maxNodes = 0;
+ val = atoi(valStr.c_str());
+
+ if (valType == "depth" || valType == "perft")
+ maxDepth = val;
+ else if (valType == "time")
+ secsPerPos = val * 1000;
+ else
+ maxNodes = val;
+
+ if (posFile != "default")
{
- std::ifstream fenFile(fileName.c_str());
+ ifstream fenFile(posFile.c_str());
if (!fenFile.is_open())
{
- std::cerr << "Unable to open positions file " << fileName
- << std::endl;
+ cerr << "Unable to open positions file " << posFile << endl;
exit(EXIT_FAILURE);
- }
- std::string pos;
+ }
+ string pos;
while (fenFile.good())
{
- std::getline(fenFile, pos);
+ getline(fenFile, pos);
if (!pos.empty())
positions.push_back(pos);
}
fenFile.close();
} else
- for (int i = 0; i < 16; i++)
- positions.push_back(std::string(BenchmarkPositions[i]));
+ for (int i = 0; !BenchmarkPositions[i].empty(); i++)
+ positions.push_back(BenchmarkPositions[i]);
+
+ vector<string>::iterator it;
+ int cnt = 1;
+ int64_t totalNodes = 0;
+ int startTime = get_system_time();
- std::vector<std::string>::iterator it;
- for (it = positions.begin(); it != positions.end(); ++it)\r
+ for (it = positions.begin(); it != positions.end(); ++it, ++cnt)
{
- Move moves[1] = {MOVE_NONE};\r
- int dummy[2] = {0, 0};\r
- Position pos(*it);
- think(pos, true, false, 0, dummy, dummy, 0, 0, 0, secsPerPos * 1000, moves);\r
+ Move moves[1] = { MOVE_NONE };
+ int dummy[2] = { 0, 0 };
+ Position pos(*it, 0);
+ cerr << "\nBench position: " << cnt << '/' << positions.size() << endl << endl;
+ if (valType == "perft")
+ {
+ int64_t perftCnt = perft(pos, maxDepth * ONE_PLY);
+ cerr << "\nPerft " << maxDepth << " result (nodes searched): " << perftCnt << endl << endl;
+ totalNodes += perftCnt;
+ } else {
+ if (!think(pos, false, false, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves))
+ break;
+ totalNodes += pos.nodes_searched();
+ }
}
+
+ cnt = get_system_time() - startTime;
+ cerr << "==============================="
+ << "\nTotal time (ms) : " << cnt
+ << "\nNodes searched : " << totalNodes
+ << "\nNodes/second : " << (int)(totalNodes/(cnt/1000.0)) << endl << endl;
+
+ // Under MS Visual C++ debug window always unconditionally closes
+ // when program exits, this is bad because we want to read results before.
+ #if (defined(WINDOWS) || defined(WIN32) || defined(WIN64))
+ cerr << "Press any key to exit" << endl;
+ cin >> ttSize;
+ #endif
}
projects / stockfish / blobdiff