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Prefetch also material tables

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Prefetch both pawn and material tables in do_move() and
prefetch always, not only after a pawn move or a capture.

Speed up of 0,7%

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2011-04-11 09:03:34 +02:00
parent 2f1935078d
commit 6738b65be9
3 changed files with 9 additions and 10 deletions
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13
src/evaluate.cpp
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@@ -269,16 +269,13 @@ namespace {
}
////
//// Functions
////
/// prefetchTables() is called in do_move() to prefetch pawn and material
/// hash tables data that will be needed shortly after in evaluation.
void prefetchTables(Key pKey, Key mKey, int threadID) {
/// Prefetches in pawn hash tables
void prefetchPawn(Key key, int threadID) {
PawnTable[threadID]->prefetch(key);
PawnTable[threadID]->prefetch(pKey);
MaterialTable[threadID]->prefetch(mKey);
}