X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbenchmark.cpp;h=69bfc6c633a11219282645923d202f27ec05528c;hp=08768cde57cdb37bdcaa1627b7a00a5d668b08e0;hb=29451de8749ac5c2ed8573ccaeb359a72b8c00c9;hpb=ca0804dfe431e4f91f5a9a1faa7df27996c4e1ba
diff --git a/src/benchmark.cpp b/src/benchmark.cpp
index 08768cde..69bfc6c6 100644
--- a/src/benchmark.cpp
+++ b/src/benchmark.cpp
@@ -17,12 +17,14 @@
along with this program. If not, see .
*/
+#include
#include
#include
#include
#include
#include "misc.h"
+#include "notation.h"
#include "position.h"
#include "search.h"
#include "thread.h"
@@ -136,7 +138,17 @@ void benchmark(const Position& current, istream& is) {
cerr << "\nPosition: " << i + 1 << '/' << fens.size() << endl;
- if (limitType == "perft")
+ if (limitType == "divide")
+ for (MoveList 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;
+ }
+ else if (limitType == "perft")
{
uint64_t cnt = Search::perft(pos, limits.depth * ONE_PLY);
cerr << "\nPerft " << limits.depth << " leaf nodes: " << cnt << endl;
@@ -150,7 +162,7 @@ void benchmark(const Position& current, istream& is) {
}
}
- elapsed = Time::now() - elapsed + 1; // Ensure positivity to avoid a 'divide by zero'
+ elapsed = std::max(Time::now() - elapsed, Time::point(1)); // Avoid a 'divide by zero'
dbg_print(); // Just before to exit