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45dbd9c)
If we are still at first move, without a fail-low and
current iteration is taking too long to complete then
stop the search.
Passed short TC:
LLR: 2.97 (-2.94,2.94) [-1.50,4.50]
Total: 26030 W: 4959 L: 4785 D: 16286
Long TC:
LLR: 2.95 (-2.94,2.94) [0.00,6.00]
Total: 18019 W: 2936 L: 2752 D: 12331
And performed well at 40/30
ELO: 4.33 +-2.8 (95%) LOS: 99.9%
Total: 20000 W: 3480 L: 3231 D: 13289
bench:
8502826
std::vector<RootMove> RootMoves;
Position RootPos;
Color RootColor;
std::vector<RootMove> RootMoves;
Position RootPos;
Color RootColor;
- Time::point SearchTime;
+ Time::point SearchTime, IterationTime;
StateStackPtr SetupStates;
}
StateStackPtr SetupStates;
}
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
}
sync_cout << uci_pv(pos, depth, alpha, beta) << sync_endl;
}
+ IterationTime = Time::now() - SearchTime;
+
// If skill levels are enabled and time is up, pick a sub-optimal best move
if (skill.enabled() && skill.time_to_pick(depth))
skill.pick_move();
// If skill levels are enabled and time is up, pick a sub-optimal best move
if (skill.enabled() && skill.time_to_pick(depth))
skill.pick_move();
// Stop the search if most of the available time has been used. We
// probably don't have enough time to search the first move at the
// next iteration anyway.
// Stop the search if most of the available time has been used. We
// probably don't have enough time to search the first move at the
// next iteration anyway.
- if (Time::now() - SearchTime > (TimeMgr.available_time() * 62) / 100)
+ if (IterationTime > (TimeMgr.available_time() * 62) / 100)
stop = true;
// Stop the search early if one move seems to be much better than others
stop = true;
// Stop the search early if one move seems to be much better than others
Time::point elapsed = Time::now() - SearchTime;
bool stillAtFirstMove = Signals.firstRootMove
&& !Signals.failedLowAtRoot
Time::point elapsed = Time::now() - SearchTime;
bool stillAtFirstMove = Signals.firstRootMove
&& !Signals.failedLowAtRoot
- && elapsed > TimeMgr.available_time();
+ && elapsed > (TimeMgr.available_time() * 62) / 100
+ && elapsed > IterationTime * 1.4;
bool noMoreTime = elapsed > TimeMgr.maximum_time() - 2 * TimerThread::Resolution
|| stillAtFirstMove;
bool noMoreTime = elapsed > TimeMgr.maximum_time() - 2 * TimerThread::Resolution
|| stillAtFirstMove;
extern std::vector<RootMove> RootMoves;
extern Position RootPos;
extern Color RootColor;
extern std::vector<RootMove> RootMoves;
extern Position RootPos;
extern Color RootColor;
-extern Time::point SearchTime;
+extern Time::point SearchTime, IterationTime;
extern StateStackPtr SetupStates;
extern void init();
extern StateStackPtr SetupStates;
extern void init();