Remove the now redundant TT prefetch call from Position::do_move.

[stockfish] / src / benchmark.cpp

diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index de8b48bb4c039f480f45f5e6339b19192b8ab70b..3161c4cabd123bb60727c17004d4e03f31f83994 100644 (file)
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -139,15 +139,8 @@ void benchmark(const Position& current, istream& is) {
       cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
 
       if (limitType == "perft")
-          for (MoveList<LEGAL> it(pos); *it; ++it)
-          {
-              StateInfo si;
-              pos.do_move(*it, si);
-              uint64_t cnt = limits.depth > 1 ? Search::perft(pos, (limits.depth - 1) * ONE_PLY) : 1;
-              pos.undo_move(*it);
-              cerr << move_to_uci(*it, pos.is_chess960()) << ": " << cnt << endl;
-              nodes += cnt;
-          }
+          nodes += Search::perft<true>(pos, limits.depth * ONE_PLY);
+
       else
       {
           Threads.start_thinking(pos, limits, st);