// the UCI protocol states that we shouldn't print the best move before the
// GUI sends a "stop" or "ponderhit" command. We therefore simply wait here
// until the GUI sends one of those commands (which also raises Threads.stop).
- if (!Threads.stop && (Threads.ponder || Limits.infinite))
+ if (!Threads.stop && (Limits.ponder || Limits.infinite))
{
Threads.stopOnPonderhit = true;
wait(Threads.stop);
{
// If we are allowed to ponder do not stop the search now but
// keep pondering until the GUI sends "ponderhit" or "stop".
- if (Threads.ponder)
+ if (Limits.ponder)
Threads.stopOnPonderhit = true;
else
Threads.stop = true;
}
// An engine may not stop pondering until told so by the GUI
- if (Threads.ponder)
+ if (Limits.ponder)
return;
if ( (Limits.use_time_management() && elapsed > Time.maximum() - 10)
/// LimitsType struct stores information sent by GUI about available time to
-/// search the current move, maximum depth/time, or if we are in analysis mode.
+/// search the current move, maximum depth/time, if we are in analysis mode or
+/// if we have to ponder while it's our opponent's turn to move.
struct LimitsType {
LimitsType() { // Init explicitly due to broken value-initialization of non POD in MSVC
nodes = time[WHITE] = time[BLACK] = inc[WHITE] = inc[BLACK] =
- npmsec = movestogo = depth = movetime = mate = infinite = 0;
+ npmsec = movestogo = depth = movetime = mate = infinite = ponder = 0;
}
bool use_time_management() const {
}
std::vector<Move> searchmoves;
- int time[COLOR_NB], inc[COLOR_NB], npmsec, movestogo, depth, movetime, mate, infinite;
+ int time[COLOR_NB], inc[COLOR_NB], npmsec, movestogo, depth, movetime, mate, infinite, ponder;
int64_t nodes;
TimePoint startTime;
};
main()->wait_for_search_finished();
- ponder = stopOnPonderhit = stop = false;
+ stopOnPonderhit = stop = false;
Search::Limits = limits;
Search::RootMoves rootMoves;
uint64_t nodes_searched() const;
uint64_t tb_hits() const;
- std::atomic_bool stop, ponder, stopOnPonderhit;
+ std::atomic_bool stop, stopOnPonderhit;
private:
StateListPtr setupStates;
else if (token == "movetime") is >> limits.movetime;
else if (token == "mate") is >> limits.mate;
else if (token == "infinite") limits.infinite = 1;
- else if (token == "ponder") Threads.ponder = true;
+ else if (token == "ponder") limits.ponder = 1;
Threads.start_thinking(pos, States, limits);
}
Threads.main()->start_searching(true); // Could be sleeping
}
else if (token == "ponderhit")
- Threads.ponder = false; // Switch to normal search
+ Search::Limits.ponder = 0; // Switch to normal search
else if (token == "uci")
sync_cout << "id name " << engine_info(true)