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Refactor timeman.cpp

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Move optExtra, optConstant and maxConstant into lower scope.

closes https://github.com/official-stockfish/Stockfish/pull/5052

No functional change
This commit is contained in:
Tierynn Byrnes 2024-02-06 14:55:28 +10:00 • committed by Disservin
parent 5c03883107
commit f4f0b32d55
2 changed files with 9 additions and 8 deletions
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AUTHORS
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@ -216,6 +216,7 @@ Taras Vuk (TarasVuk)
Thanar2 Thanar2
thaspel thaspel
theo77186 theo77186
TierynnB
Ting-Hsuan Huang (fffelix-huang) Ting-Hsuan Huang (fffelix-huang)
Tobias Steinmann Tobias Steinmann
Tomasz Sobczyk (Sopel97) Tomasz Sobczyk (Sopel97)

16
src/timeman.cpp
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@ -28,7 +28,6 @@
namespace Stockfish { namespace Stockfish {
TimePoint TimeManagement::optimum() const { return optimumTime; } TimePoint TimeManagement::optimum() const { return optimumTime; }
TimePoint TimeManagement::maximum() const { return maximumTime; } TimePoint TimeManagement::maximum() const { return maximumTime; }
TimePoint TimeManagement::elapsed(size_t nodes) const { TimePoint TimeManagement::elapsed(size_t nodes) const {
@ -89,18 +88,19 @@ void TimeManagement::init(Search::LimitsType& limits,
TimePoint timeLeft = std::max(TimePoint(1), limits.time[us] + limits.inc[us] * (mtg - 1) TimePoint timeLeft = std::max(TimePoint(1), limits.time[us] + limits.inc[us] * (mtg - 1)
- moveOverhead * (2 + mtg)); - moveOverhead * (2 + mtg));
// Use extra time with larger increments
double optExtra = std::clamp(1.0 + 12.5 * limits.inc[us] / limits.time[us], 1.0, 1.11);
// Calculate time constants based on current time left.
double optConstant = std::min(0.00334 + 0.0003 * std::log10(limits.time[us] / 1000.0), 0.0049);
double maxConstant = std::max(3.4 + 3.0 * std::log10(limits.time[us] / 1000.0), 2.76);
// x basetime (+ z increment) // x basetime (+ z increment)
// If there is a healthy increment, timeLeft can exceed actual available // If there is a healthy increment, timeLeft can exceed actual available
// game time for the current move, so also cap to 20% of available game time. // game time for the current move, so also cap to 20% of available game time.
if (limits.movestogo == 0) if (limits.movestogo == 0)
{ {
// Use extra time with larger increments
double optExtra = std::clamp(1.0 + 12.5 * limits.inc[us] / limits.time[us], 1.0, 1.11);
// Calculate time constants based on current time left.
double optConstant =
std::min(0.00334 + 0.0003 * std::log10(limits.time[us] / 1000.0), 0.0049);
double maxConstant = std::max(3.4 + 3.0 * std::log10(limits.time[us] / 1000.0), 2.76);
optScale = std::min(0.0120 + std::pow(ply + 3.1, 0.44) * optConstant, optScale = std::min(0.0120 + std::pow(ply + 3.1, 0.44) * optConstant,
0.21 * limits.time[us] / double(timeLeft)) 0.21 * limits.time[us] / double(timeLeft))
* optExtra; * optExtra;