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Do no initialize TM in all cases

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Avoid doing full TM initialization if it won't be used, avoids division by zero.

closes https://github.com/official-stockfish/Stockfish/pull/4484

No functional change
This commit is contained in:
Maxim Masiutin 2023-04-01 23:49:03 +03:00 • committed by Joost VandeVondele
parent 7a9f67747f
commit 1a64afb1c6
1 changed files with 6 additions and 2 deletions
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8
src/timeman.cpp
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@ -36,6 +36,12 @@ TimeManagement Time; // Our global time management object
void TimeManagement::init(Search::LimitsType& limits, Color us, int ply) { void TimeManagement::init(Search::LimitsType& limits, Color us, int ply) {
// if we have no time, no need to initialize TM, except for the start time,
// which is used by movetime.
startTime = limits.startTime;
if (limits.time[us] == 0)
return;
TimePoint moveOverhead = TimePoint(Options["Move Overhead"]); TimePoint moveOverhead = TimePoint(Options["Move Overhead"]);
TimePoint slowMover = TimePoint(Options["Slow Mover"]); TimePoint slowMover = TimePoint(Options["Slow Mover"]);
TimePoint npmsec = TimePoint(Options["nodestime"]); TimePoint npmsec = TimePoint(Options["nodestime"]);
@ -59,8 +65,6 @@ void TimeManagement::init(Search::LimitsType& limits, Color us, int ply) {
limits.npmsec = npmsec; limits.npmsec = npmsec;
} }
startTime = limits.startTime;
// Maximum move horizon of 50 moves // Maximum move horizon of 50 moves
int mtg = limits.movestogo ? std::min(limits.movestogo, 50) : 50; int mtg = limits.movestogo ? std::min(limits.movestogo, 50) : 50;