From 72b051ea4c9e2348594207e381addafae7fb23ae Mon Sep 17 00:00:00 2001
From: Mattia Giambirtone <nocturn9x@nocturn9x.space>
Date: Mon, 2 Mar 2026 09:02:05 +0100
Subject: [PATCH] Apply SPSA parameters (bench 5648475)

---
 src/heimdall/util/tunables.nim | 154 ++++++++++++++++++---------------
 1 file changed, 83 insertions(+), 71 deletions(-)

diff --git a/src/heimdall/util/tunables.nim b/src/heimdall/util/tunables.nim
index 4ff3b8a..5ff0732 100644
--- a/src/heimdall/util/tunables.nim
+++ b/src/heimdall/util/tunables.nim
@@ -119,79 +119,91 @@ proc newTunableParameter*(name: string, min, max, default: int, quantized = fals
 # will be loaded automatically into the default field of each
 # parameter
 const SPSA_OUTPUT = """
-MaterialBishopWeight, 469
-NonPawnCorrHistWeightScale, 254
-AspWindowMaxSize, 980
-NonPawnCorrHistEvalScale, 470
-MaterialKnightWeight, 465
-DoubleExtMarginQuiet, 15
-DoubleExtMarginNoisy, 15
-SEEOrdQueenWeight, 1257
-SEEPruneQuietQueenWeight, 1257
-SEEPruneNoisyQueenWeight, 1257
-NodeTMBaseOffsetQuiet, 2861
-NodeTMBaseOffsetNoisy, 2861
-SEEPruningQuietMargin, 79
-SEEPruningCaptureMargin, 124
-NMPEvalDivisorQuiet, 243
-NMPEvalDivisorNoisy, 243
-RFPImprovingMarginQuiet, 135
-RFPImprovingMarginNoisy, 135
-HistoryDepthEvalThresholdQuiet, 53
 HistoryDepthEvalThresholdNoisy, 53
-BadQuietMalus, 280
-ContHistMalusPly1, 280
-ContHistMalusPly2, 280
-ContHistMalusPly4, 280
-SEEOrdKnightWeight, 465
-SEEPruneQuietKnightWeight, 465
-SEEPruneNoisyKnightWeight, 465
-NonPawnCorrHistMinValue, -12428
-RFPBaseMarginQuiet, 168
-RFPBaseMarginNoisy, 168
-HistoryLMRQuietDivisor, 10901
-MajorCorrHistMaxValue, 12028
-PawnCorrHistWeightScale, 255
-SEEOrdPawnWeight, 99
-SEEPruneQuietPawnWeight, 99
-SEEPruneNoisyPawnWeight, 99
-SEEOrdRookWeight, 691
-SEEPruneQuietRookWeight, 691
-SEEPruneNoisyRookWeight, 691
-MinorCorrHistWeightScale, 260
-AspWindowInitialSize, 19
-MinorCorrHistMinValue, -12442
-QSearchFPEvalMargin, 211
-MajorCorrHistMinValue, -12308
-TripleExtMarginQuiet, 50
-TripleExtMarginNoisy, 50
-MaterialRookWeight, 647
-HistoryLMRNoisyDivisor, 13902
-GoodCaptureBonus, 45
-NodeTMScaleFactorQuiet, 1634
-NodeTMScaleFactorNoisy, 1634
-MatScalingOffset, 26283
-GoodQuietBonus, 261
-ContHistBonusPly1, 261
-ContHistBonusPly2, 261
-ContHistBonusPly4, 261
-MajorCorrHistWeightScale, 257
-PawnCorrHistMinValue, -12060
-PawnCorrHistMaxValue, 12461
-SEEOrdBishopWeight, 485
-SEEPruneQuietBishopWeight, 485
-SEEPruneNoisyBishopWeight, 485
-FPBaseOffset, 5
-BadCaptureMalus, 113
-FPEvalMargin, 98
-MatScalingDivisor, 28236
-PawnCorrHistEvalScale, 476
-MaterialQueenWeight, 1232
-MinorCorrHistMaxValue, 11946
+ContHistBonusPly4, 269
+MaterialBishopWeight, 485
+NonPawnCorrHistWeightScale, 248
+AspWindowMaxSize, 1066
+NonPawnCorrHistEvalScale, 480
+SEEOrdPawnWeight, 101
+MaterialKnightWeight, 492
+1PContCorrHistMinValue, -12488
+RFPImprovingMarginNoisy, 141
+1PContCorrHistMaxValue, 12399
+2PContCorrHistMaxValue, 12391
+DoubleExtMarginNoisy, 14
+NodeTMScaleFactorNoisy, 1622
+2PContCorrHistWeightScale, 246
+SEEPruneNoisyPawnWeight, 105
+RFPBaseMarginQuiet, 154
+LMRBase, 832
+SEEPruningQuietMargin, 84
+SEEPruningCaptureMargin, 133
+ContHistMalusPly4, 291
+HistoryDepthEvalThresholdQuiet, 57
+SEEPruneQuietPawnWeight, 95
+BadQuietMalus, 247
+SEEPruneQuietKnightWeight, 490
+SEEPruneQuietRookWeight, 697
+SEEPruneNoisyKnightWeight, 474
+LMRMultiplier, 418
+NodeTMBaseOffsetQuiet, 2693
+NodeTMScaleFactorQuiet, 1704
+NonPawnCorrHistMinValue, -11912
+SEEOrdKnightWeight, 448
+TripleExtMarginQuiet, 53
+RFPBaseMarginNoisy, 161
+RFPImprovingMarginQuiet, 135
+SEEOrdQueenWeight, 1290
+SEEPruneNoisyBishopWeight, 520
+ContHistMalusPly2, 252
+HistoryLMRQuietDivisor, 11335
+SEEPruneNoisyQueenWeight, 1258
+MajorCorrHistMaxValue, 11928
+SEEPruneQuietBishopWeight, 492
+PawnCorrHistWeightScale, 239
+SEEPruneQuietQueenWeight, 1124
+MinorCorrHistWeightScale, 262
+AspWindowInitialSize, 18
+MinorCorrHistMinValue, -12751
+QSearchFPEvalMargin, 218
+MajorCorrHistMinValue, -12227
+MaterialRookWeight, 697
+1PContCorrHistEvalScale, 266
+HistoryLMRNoisyDivisor, 13897
+GoodCaptureBonus, 44
+2PContCorrHistEvalScale, 490
+AspWindowWideningFailLow, 241
+MatScalingOffset, 29584
+GoodQuietBonus, 260
+MajorCorrHistWeightScale, 209
+AspWindowWideningFailHigh, 264
+PawnCorrHistMinValue, -11806
+NodeTMBaseOffsetNoisy, 2825
+SEEOrdBishopWeight, 504
+PawnCorrHistMaxValue, 12377
+TripleExtMarginNoisy, 52
+FPBaseOffset, 2
+BadCaptureMalus, 117
+FPEvalMargin, 127
+MatScalingDivisor, 22506
+DoubleExtMarginQuiet, 13
+NMPEvalDivisorNoisy, 231
+MaterialQueenWeight, 1238
+PawnCorrHistEvalScale, 463
+2PContCorrHistMinValue, -12424
+ContHistBonusPly2, 251
+1PContCorrHistWeightScale, 261
+ContHistMalusPly1, 261
+MinorCorrHistMaxValue, 11767
+NMPEvalDivisorQuiet, 250
 MaterialPawnWeight, 103
-MajorCorrHistEvalScale, 250
-NonPawnCorrHistMaxValue, 12125
-MinorCorrHistEvalScale, 261
+SEEPruneNoisyRookWeight, 672
+SEEOrdRookWeight, 740
+MajorCorrHistEvalScale, 300
+NonPawnCorrHistMaxValue, 11843
+ContHistBonusPly1, 259
+MinorCorrHistEvalScale, 301
 """.replace(" ", "")