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More detailed dependence of time allocation on the magnitude of score change 

10+0.1:
LLR: 2.96 (-2.94,2.94) [0.00,5.00]
Total: 5657 W: 1130 L: 979 D: 3548

60+0.6:
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 36884 W: 5002 L: 4762 D: 27120

bench: 8428997
pull/674/merge
Leonid Pechenik 2016-05-16 16:30:57 -04:00 committed by Marco Costalba
parent 7cb8cbb403
commit 71bfbb22fc
1 changed files with 5 additions and 5 deletions
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10
src/search.cpp
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@ -541,18 +541,18 @@ void Thread::search() {
// Stop the search if only one legal move is available, or if all
// of the available time has been used, or if we matched an easyMove
// from the previous search and just did a fast verification.
const bool F[] = { !mainThread->failedLow,
bestValue >= mainThread->previousScore };
const int F[] = { mainThread->failedLow,
bestValue - mainThread->previousScore };
int improvingFactor = 640 - 160*F[0] - 126*F[1] - 124*F[0]*F[1];
int improvingFactor = std::max(229, std::min(715, 357 + 119 * F[0] - 6 * F[1]));
double unstablePvFactor = 1 + mainThread->bestMoveChanges;
bool doEasyMove = rootMoves[0].pv[0] == easyMove
&& mainThread->bestMoveChanges < 0.03
&& Time.elapsed() > Time.optimum() * 25 / 204;
&& Time.elapsed() > Time.optimum() * 5 / 42;
if ( rootMoves.size() == 1
|| Time.elapsed() > Time.optimum() * unstablePvFactor * improvingFactor / 634
|| Time.elapsed() > Time.optimum() * unstablePvFactor * improvingFactor / 628
|| (mainThread->easyMovePlayed = doEasyMove))
{
// If we are allowed to ponder do not stop the search now but