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port get_changed_pieces to ARM NEON

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passed STC:
LLR: 2.94 (-2.94,2.94) <0.00,2.00>
Total: 71968 W: 18833 L: 18489 D: 34646
Ptnml(0-2): 192, 7310, 20643, 7640, 199
https://tests.stockfishchess.org/tests/view/69509e5c572093c1986d7a0a

closes https://github.com/official-stockfish/Stockfish/pull/6512

No functional change
This commit is contained in:
anematode
2026-01-01 16:04:43 +01:00
committed by Joost VandeVondele
parent ced9f69834
commit aeb3bf33a9
2 changed files with 16 additions and 3 deletions
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src/search.cpp
+4 -3
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@@ -65,7 +65,7 @@ using namespace Search;
namespace {
constexpr int SEARCHEDLIST_CAPACITY = 32;
constexpr int mainHistoryDefault = 68;
constexpr int mainHistoryDefault = 68;
using SearchedList = ValueList<Move, SEARCHEDLIST_CAPACITY>;
// (*Scalers):
@@ -313,9 +313,10 @@ void Search::Worker::iterative_deepening() {
lowPlyHistory.fill(97);
for (Color c: {WHITE, BLACK})
for (Color c : {WHITE, BLACK})
for (int i = 0; i < UINT_16_HISTORY_SIZE; i++)
mainHistory[c][i] = (mainHistory[c][i] - mainHistoryDefault) * 3 / 4 + mainHistoryDefault;
mainHistory[c][i] =
(mainHistory[c][i] - mainHistoryDefault) * 3 / 4 + mainHistoryDefault;
// Iterative deepening loop until requested to stop or the target depth is reached
while (++rootDepth < MAX_PLY && !threads.stop