Initial checkin for typhoon chess engine.

1 files changed, 100 insertions, 0 deletions

diff --git a/src/bench.c b/src/bench.c
new file mode 100644
index 0000000..e8fbe91
--- /dev/null
+++ b/src/bench.c
@@ -0,0 +1,100 @@
+/**
+
+Copyright (c) Scott Gasch
+
+Module Name:
+
+    bench.c
+
+Abstract:
+
+    Engine speed benchmarking code.  This is the same test that crafty
+    uses to benchmark.
+
+Author:
+
+    Scott Gasch ([email protected]) 28 Jun 2004
+
+Revision History:
+
+    $Id: bench.c 345 2007-12-02 22:56:42Z scott $
+
+**/
+
+#include "chess.h"
+
+COMMAND(BenchCommand)
+/**
+
+Routine description:
+
+    Run a benchmark
+
+Parameters:
+
+    (hidden) CHAR *szInput
+    (hidden) ULONG argc
+    (hidden) CHAR *argv[]
+    (hidden) POSITION *pos
+
+Return value:
+
+**/
+{
+    typedef struct _BENCH_NODE
+    {
+        CHAR *szFen;
+        ULONG uDepth;
+    }
+    BENCH_NODE;
+    static BENCH_NODE x[] = 
+    {
+        {
+            "3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - 0 0", 11
+        },
+        {
+            "rnbqkb1r/p3pppp/1p6/2ppP3/3N4/2P5/PPP1QPPP/R1B1KB1R w KQkq - 0 0", 11
+        },
+        { 
+            "4b3/p3kp2/6p1/3pP2p/2pP1P2/4K1P1/P3N2P/8 w - - 0 0", 13
+        },
+        {
+            "r3r1k1/ppqb1ppp/8/4p1NQ/8/2P5/PP3PPP/R3R1K1 b - - 0 0", 11
+        },
+        {
+            "2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 0", 11
+        },
+        {
+            "r1bqk2r/pp2bppp/2p5/3pP3/P2Q1P2/2N1B3/1PP3PP/R4RK1 b kq - 0 0", 11
+        }
+    };
+    ULONG u;
+    double dStart;
+    double dEnd;
+    UINT64 u64Nodes = 0;
+
+#ifdef DEBUG
+    Trace("You know this is a DEBUG build, right?\n");
+#endif
+    dStart = SystemTimeStamp();
+    for (u = 0;
+         u < ARRAY_LENGTH(x) && (FALSE == g_fExitProgram);
+         u++)
+    {
+        VERIFY(PreGameReset(FALSE));
+        VERIFY(SetRootPosition(x[u].szFen));
+        pos = GetRootPosition();
+        g_Options.u64NodesSearched = 0ULL;
+        g_Options.uMaxDepth = x[u].uDepth;
+        Think(pos);
+        u64Nodes += g_Options.u64NodesSearched;
+    }
+    dEnd = SystemTimeStamp();
+    ASSERT(dStart < dEnd);
+    ASSERT(u64Nodes > 0);
+
+    Trace("Searched %"COMPILER_LONGLONG_UNSIGNED_FORMAT 
+          " nodes in %4.1f sec.\n", u64Nodes, (dEnd - dStart));
+    Trace("BENCHMARK>> %8.1f nodes/sec\n", (double)u64Nodes / (dEnd - dStart));
+    VERIFY(PreGameReset(TRUE));
+}