Introduce depth limited benchmarking

[stockfish] / src / benchmark.cpp

diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index 9e63b1c95b01fe48148deae623d4426a8628a8ff..4c2ba7472703a3c88979678c30a78361d8b51e76 100644 (file)
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -1,13 +1,14 @@
 /*
-  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 Marco Costalba
 
-  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.
@@ -58,7 +59,7 @@ const std::string BenchmarkPositions[] = {
 //// Functions
 ////
 
-/// benchmark() runs a simple benchmark by letting Glaurung analyze a set
+/// benchmark() runs a simple benchmark by letting Stockfish analyze a set
 /// of positions for a given time each.  There are four parameters; the
 /// transposition table size, the number of search threads that should
 /// be used, the time in seconds spent for each position (optional, default
@@ -70,8 +71,8 @@ void benchmark(const std::string& commandLine) {
 
   std::istringstream csVal(commandLine);
   std::istringstream csStr(commandLine);
-  std::string ttSize, threads, fileName;
-  int val, secsPerPos;
+  std::string ttSize, threads, fileName, timeOrDepth;
+  int val, secsPerPos, maxDepth = 0;
 
   csStr >> ttSize;
   csVal >> val;
@@ -96,6 +97,15 @@ void benchmark(const std::string& commandLine) {
 
   csVal >> secsPerPos;
   csVal >> fileName;
+  csVal >> timeOrDepth;
+
+  if (timeOrDepth == "time")
+      secsPerPos *= 1000;
+  else
+  {
+      maxDepth = secsPerPos;
+      secsPerPos = 0;
+  }
 
   std::vector<std::string> positions;
   
@@ -120,12 +130,18 @@ void benchmark(const std::string& commandLine) {
       for (int i = 0; i < 16; i++)
           positions.push_back(std::string(BenchmarkPositions[i]));
 
+  int startTime = get_system_time();
   std::vector<std::string>::iterator it;
-  for (it = positions.begin(); it != positions.end(); ++it)\r
+  int cnt = 1;
+  for (it = positions.begin(); it != positions.end(); ++it, ++cnt)
   {
-      Move moves[1] = {MOVE_NONE};\r
-      int dummy[2] = {0, 0};\r
+      Move moves[1] = {MOVE_NONE};
+      int dummy[2] = {0, 0};
       Position pos(*it);
-      think(pos, true, false, 0, dummy, dummy, 0, 0, 0, secsPerPos * 1000, moves);\r
+      std::cout << "\nProcessing position " << cnt << '/' << positions.size() << std::endl << std::endl;
+      think(pos, true, false, 0, dummy, dummy, 0, maxDepth, 0, secsPerPos, moves);
   }
+  std::cout << "\n\nBenchmarking finished. Processing time (ms) " << get_system_time() - startTime
+            << std::endl << "Press any key to exit\n";
+  std::cin >> fileName;
 }