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Remove material corrHist

Browse source 
Passed STC:
LLR: 2.96 (-2.94,2.94) <-1.75,0.25>
Total: 80832 W: 21150 L: 20975 D: 38707
Ptnml(0-2): 283, 9531, 20598, 9736, 268
https://tests.stockfishchess.org/tests/view/670302fe86d5ee47d953bd68

Passed LTC:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 46008 W: 11621 L: 11423 D: 22964
Ptnml(0-2): 30, 5072, 12606, 5262, 34
https://tests.stockfishchess.org/tests/view/6704074686d5ee47d953be53

Passed LTC Rebased:
LLR: 2.95 (-2.94,2.94) <-1.75,0.25>
Total: 95814 W: 24340 L: 24195 D: 47279
Ptnml(0-2): 71, 10497, 26602, 10690, 47
https://tests.stockfishchess.org/tests/view/670ae1ac86d5ee47d953c262

closes https://github.com/official-stockfish/Stockfish/pull/5636

Bench: 1119774
This commit is contained in:
FauziAkram 2024-10-16 03:06:58 +03:00 • committed by Disservin
parent bf2a0d5392
commit 7f386d109e
3 changed files with 1 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/movepick.h
View file

@ -167,10 +167,6 @@ using PawnHistory = Stats<int16_t, 8192, PAWN_HISTORY_SIZE, PIECE_NB, SQUARE_NB>
using PawnCorrectionHistory =
Stats<int16_t, CORRECTION_HISTORY_LIMIT, COLOR_NB, CORRECTION_HISTORY_SIZE>;
// MaterialCorrectionHistory is addressed by color and material configuration
using MaterialCorrectionHistory =
Stats<int16_t, CORRECTION_HISTORY_LIMIT, COLOR_NB, CORRECTION_HISTORY_SIZE>;
// MajorPieceCorrectionHistory is addressed by color and king/major piece (Queen, Rook) positions
using MajorPieceCorrectionHistory =
Stats<int16_t, CORRECTION_HISTORY_LIMIT, COLOR_NB, CORRECTION_HISTORY_SIZE>;

6
src/search.cpp
View file

@ -83,7 +83,6 @@ Value to_corrected_static_eval(Value v, const Worker& w, const Position& pos, St
const Color us = pos.side_to_move();
const auto m = (ss - 1)->currentMove;
const auto pcv = w.pawnCorrectionHistory[us][pawn_structure_index<Correction>(pos)];
const auto mcv = w.materialCorrectionHistory[us][material_index(pos)];
const auto macv = w.majorPieceCorrectionHistory[us][major_piece_index(pos)];
const auto micv = w.minorPieceCorrectionHistory[us][minor_piece_index(pos)];
const auto wnpcv = w.nonPawnCorrectionHistory[WHITE][us][non_pawn_index<WHITE>(pos)];
@ -94,8 +93,7 @@ Value to_corrected_static_eval(Value v, const Worker& w, const Position& pos, St
cntcv = int((*(ss - 2)->continuationCorrectionHistory)[pos.piece_on(m.to_sq())][m.to_sq()]);
const auto cv =
(5932 * pcv + 2994 * mcv + 3269 * macv + 5660 * micv + 6237 * (wnpcv + bnpcv) + cntcv * 5555)
/ 131072;
(5932 * pcv + 3269 * macv + 5660 * micv + 6666 * (wnpcv + bnpcv) + 5555 * cntcv) / 131072;
v += cv;
return std::clamp(v, VALUE_TB_LOSS_IN_MAX_PLY + 1, VALUE_TB_WIN_IN_MAX_PLY - 1);
}
@ -506,7 +504,6 @@ void Search::Worker::clear() {
captureHistory.fill(-753);
pawnHistory.fill(-1152);
pawnCorrectionHistory.fill(0);
materialCorrectionHistory.fill(0);
majorPieceCorrectionHistory.fill(0);
minorPieceCorrectionHistory.fill(0);
nonPawnCorrectionHistory[WHITE].fill(0);
@ -1428,7 +1425,6 @@ moves_loop: // When in check, search starts here
-CORRECTION_HISTORY_LIMIT / 4, CORRECTION_HISTORY_LIMIT / 4);
thisThread->pawnCorrectionHistory[us][pawn_structure_index<Correction>(pos)]
<< bonus * 101 / 128;
thisThread->materialCorrectionHistory[us][material_index(pos)] << bonus * 99 / 128;
thisThread->majorPieceCorrectionHistory[us][major_piece_index(pos)] << bonus * 157 / 128;
thisThread->minorPieceCorrectionHistory[us][minor_piece_index(pos)] << bonus * 153 / 128;
thisThread->nonPawnCorrectionHistory[WHITE][us][non_pawn_index<WHITE>(pos)]

1
src/search.h
View file

@ -287,7 +287,6 @@ class Worker {
PawnHistory pawnHistory;
PawnCorrectionHistory pawnCorrectionHistory;
MaterialCorrectionHistory materialCorrectionHistory;
MajorPieceCorrectionHistory majorPieceCorrectionHistory;
MinorPieceCorrectionHistory minorPieceCorrectionHistory;
NonPawnCorrectionHistory nonPawnCorrectionHistory[COLOR_NB];