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Output PV if last iteration does not complete

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Instead of outputting "info nodes ... time ..." when the last
iteration is interrupted, simply call UCI::pv() to output the PV.

I thought about calling UCI:pv() with bounds -VALUE_INFINITE, VALUE_INFINITE
to avoid "lowerbound" or "upperbound" appearing in it, but I'm not sure that
would be any better.

This patch fixes rare inconsistencies between the first move of
the last PV output and the bestmove played. It also makes sure
that all the latest statistics are sent to the GUI (not only nodes
and time but also nps, tbhits, hashfull).

No functional change.
This commit is contained in:
syzygy 2016-10-26 23:01:11 +02:00 • committed by Marco Costalba
parent 818b4a126d
commit e18e557e77
1 changed files with 1 additions and 5 deletions
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6
src/search.cpp
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@ -461,11 +461,7 @@ void Thread::search() {
if (!mainThread)
continue;
if (Signals.stop)
sync_cout << "info nodes " << Threads.nodes_searched()
<< " time " << Time.elapsed() << sync_endl;
else if (PVIdx + 1 == multiPV || Time.elapsed() > 3000)
if (Signals.stop || PVIdx + 1 == multiPV || Time.elapsed() > 3000)
sync_cout << UCI::pv(rootPos, rootDepth, alpha, beta) << sync_endl;
}