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Better perft integration in benchmark

Browse source 
Now with:

   stockfish bench 128 1 5 default perft

it is possible to get perft 5 results of each position and
the first 3 positions correspond to the well known test
position in:

http://chessprogramming.wikispaces.com/Perft+Results

This allow to quickly check for perft consistency running
the 'bench' command.

No functional change but signature has changed because
bench default positions 2 and 3 have changed.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2010-04-18 09:18:49 +01:00
parent 87379c2929
commit a49e4fac98
1 changed files with 11 additions and 6 deletions
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13
src/benchmark.cpp
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@ -38,8 +38,8 @@ using namespace std;
const string BenchmarkPositions[] = { const string BenchmarkPositions[] = {
"rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1", "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1",
"r4rk1/1b2qppp/p1n1p3/1p6/1b1PN3/3BRN2/PP3PPP/R2Q2K1 b - - 7 16", "r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -",
"4r1k1/ppq3pp/3b4/2pP4/2Q1p3/4B1P1/PP5P/R5K1 b - - 0 20", "8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -",
"4rrk1/pp1n3p/3q2pQ/2p1pb2/2PP4/2P3N1/P2B2PP/4RRK1 b - - 7 19", "4rrk1/pp1n3p/3q2pQ/2p1pb2/2PP4/2P3N1/P2B2PP/4RRK1 b - - 7 19",
"rq3rk1/ppp2ppp/1bnpb3/3N2B1/3NP3/7P/PPPQ1PP1/2KR3R w - - 7 14", "rq3rk1/ppp2ppp/1bnpb3/3N2B1/3NP3/7P/PPPQ1PP1/2KR3R w - - 7 14",
"r1bq1r1k/1pp1n1pp/1p1p4/4p2Q/4Pp2/1BNP4/PPP2PPP/3R1RK1 w - - 2 14", "r1bq1r1k/1pp1n1pp/1p1p4/4p2Q/4Pp2/1BNP4/PPP2PPP/3R1RK1 w - - 2 14",
@ -154,11 +154,16 @@ void benchmark(const string& commandLine) {
Position pos(*it); Position pos(*it);
cerr << "\nBench position: " << cnt << '/' << positions.size() << endl << endl; cerr << "\nBench position: " << cnt << '/' << positions.size() << endl << endl;
if (limitType == "perft") if (limitType == "perft")
totalNodes += perft(pos, maxDepth * OnePly); {
else if (!think(pos, false, false, 0, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves)) int64_t perftCnt = perft(pos, maxDepth * OnePly);
cerr << "\nPerft " << maxDepth << " result (nodes searched): " << perftCnt << endl << endl;
totalNodes += perftCnt;
} else {
if (!think(pos, false, false, 0, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves))
break; break;
totalNodes += nodes_searched(); totalNodes += nodes_searched();
} }
}
cnt = get_system_time() - startTime; cnt = get_system_time() - startTime;
cerr << "===============================" cerr << "==============================="