From 62ab7e46124b12fdbb310a9c8a8072ad05fc51b8 Mon Sep 17 00:00:00 2001
From: Marco Costalba <mcostalba@gmail.com>
Date: Sat, 22 Nov 2008 11:56:14 +0100
Subject: [PATCH] Introduce node limited benchmarking

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---
 src/benchmark.cpp | 23 ++++++++++++-----------
 src/main.cpp      |  6 +++---
 2 files changed, 15 insertions(+), 14 deletions(-)

diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index 4c2ba747..54455d88 100644
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -71,8 +71,8 @@ void benchmark(const std::string& commandLine) {
 
   std::istringstream csVal(commandLine);
   std::istringstream csStr(commandLine);
-  std::string ttSize, threads, fileName, timeOrDepth;
-  int val, secsPerPos, maxDepth = 0;
+  std::string ttSize, threads, fileName, limitType;
+  int val, secsPerPos, maxDepth, maxNodes;
 
   csStr >> ttSize;
   csVal >> val;
@@ -95,17 +95,18 @@ void benchmark(const std::string& commandLine) {
   set_option_value("Use Search Log", "true");
   set_option_value("Search Log Filename", "bench.txt");
 
-  csVal >> secsPerPos;
+  csVal >> val;
   csVal >> fileName;
-  csVal >> timeOrDepth;
+  csVal >> limitType;
+
+  secsPerPos = maxDepth = maxNodes = 0;
 
-  if (timeOrDepth == "time")
-      secsPerPos *= 1000;
+  if (limitType == "time")
+      secsPerPos = val * 1000;
+  else if (limitType == "depth")
+      maxDepth = val;
   else
-  {
-      maxDepth = secsPerPos;
-      secsPerPos = 0;
-  }
+      maxNodes = val;
 
   std::vector<std::string> positions;
   
@@ -139,7 +140,7 @@ void benchmark(const std::string& commandLine) {
       int dummy[2] = {0, 0};
       Position pos(*it);
       std::cout << "\nProcessing position " << cnt << '/' << positions.size() << std::endl << std::endl;
-      think(pos, true, false, 0, dummy, dummy, 0, maxDepth, 0, secsPerPos, moves);
+      think(pos, true, false, 0, dummy, dummy, 0, maxDepth, maxNodes, secsPerPos, moves);
   }
   std::cout << "\n\nBenchmarking finished. Processing time (ms) " << get_system_time() - startTime
             << std::endl << "Press any key to exit\n";
diff --git a/src/main.cpp b/src/main.cpp
index 89ca9e8e..ad702462 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -75,14 +75,14 @@ int main(int argc, char *argv[]) {
       {
         std::cout << "Usage: glaurung bench <hash size> <threads> "
                   << "[time = 60s] [fen positions file = default] "
-                  << "[time or depth limited = time]"
+                  << "[time, depth or node limited = time]"
                   << std::endl;
         exit(0);
       }
       string time = argc > 4 ? argv[4] : "60";
       string fen = argc > 5 ? argv[5] : "default";
-      string dt = argc > 6 ? argv[6] : "time";
-      benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + dt);
+      string lim = argc > 6 ? argv[6] : "time";
+      benchmark(string(argv[2]) + " " + string(argv[3]) + " " + time + " " + fen + " " + lim);
       return 0;
   }
 
-- 
2.39.2