X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbenchmark.cpp;h=9dc103ed1992681b0fdef8252d3cc36cd73cb140;hp=0417313cbb6bf3ac22ba5733cd77bda68fc3212f;hb=3df2c01b5769c7ae996fb5b992c06e4a5428ad35;hpb=cc04a745e2f6aca12ac8373c85ae0ccafac07ffb

diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index 0417313c..9dc103ed 100644
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -19,13 +19,14 @@
 
 #include <fstream>
 #include <iostream>
-#include <sstream>
+#include <istream>
 #include <vector>
 
 #include "misc.h"
 #include "position.h"
 #include "search.h"
 #include "thread.h"
+#include "tt.h"
 #include "ucioption.h"
 
 using namespace std;
@@ -58,11 +59,11 @@ static const char* Defaults[] = {
 /// format (defaults are the positions defined above) and the type of the
 /// limit value: depth (default), time in secs or number of nodes.
 
-void benchmark(istringstream& is) {
+void benchmark(const Position& current, istream& is) {
 
   string token;
   Search::LimitsType limits;
-  vector<string> fens(Defaults, Defaults + 16);
+  vector<string> fens;
 
   // Assign default values to missing arguments
   string ttSize    = (is >> token) ? token : "128";
@@ -73,6 +74,7 @@ void benchmark(istringstream& is) {
 
   Options["Hash"]    = ttSize;
   Options["Threads"] = threads;
+  TT.clear();
 
   if (limitType == "time")
       limits.movetime = 1000 * atoi(limit.c_str()); // movetime is in ms
@@ -83,14 +85,14 @@ void benchmark(istringstream& is) {
   else
       limits.depth = atoi(limit.c_str());
 
-  if (fenFile == "current")
-  {
-      fens.clear();
-      fens.push_back(Search::RootPosition.to_fen());
-  }
-  else if (fenFile != "default")
+  if (fenFile == "default")
+      fens.assign(Defaults, Defaults + 16);
+
+  else if (fenFile == "current")
+      fens.push_back(current.to_fen());
+
+  else
   {
-      fens.clear();
       string fen;
       ifstream file(fenFile.c_str());
 
@@ -108,32 +110,33 @@ void benchmark(istringstream& is) {
   }
 
   int64_t nodes = 0;
+  Search::StateStackPtr st;
   Time time = Time::current_time();
 
   for (size_t i = 0; i < fens.size(); i++)
   {
-      Position pos(fens[i], false, Threads.main_thread());
+      Position pos(fens[i], Options["UCI_Chess960"], Threads.main_thread());
 
       cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
 
       if (limitType == "perft")
       {
-          int64_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
+          size_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
           cerr << "\nPerft " << limits.depth  << " leaf nodes: " << cnt << endl;
           nodes += cnt;
       }
       else
       {
-          Threads.start_searching(pos, limits, vector<Move>());
+          Threads.start_searching(pos, limits, vector<Move>(), st);
           Threads.wait_for_search_finished();
           nodes += Search::RootPosition.nodes_searched();
       }
   }
 
-  int e = time.elapsed();
+  int e = time.elapsed() + 1; // Assure positive to avoid a 'divide by zero'
 
   cerr << "\n==========================="
        << "\nTotal time (ms) : " << e
        << "\nNodes searched  : " << nodes
-       << "\nNodes/second    : " << int(nodes / (e / 1000.0)) << endl;
+       << "\nNodes/second    : " << 1000 * nodes / e << endl;
 }