Mercurial > hg > graal-jvmci-8

diff src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp @ 17755:96b1c2e06e25

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8027295: Free CSet takes ~50% of young pause time Summary: Improve fast card cache iteration and avoid taking locks when freeing the collection set. Reviewed-by: brutisso
author tschatzl
date Mon, 24 Mar 2014 15:30:36 +0100
parents d7070f371770
children ae7336d6337e
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line diff
--- a/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Mon Mar 24 15:30:30 2014 +0100
+++ b/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp	Mon Mar 24 15:30:36 2014 +0100
@@ -731,7 +731,8 @@
 
 void OtherRegionsTable::clear_fcc() {
   uint hrs_idx = hr()->hrs_index();
-  for (uint i = 0; i < HeapRegionRemSet::num_par_rem_sets(); i++) {
+  uint num_par_remsets = HeapRegionRemSet::num_par_rem_sets();
+  for (uint i = 0; i < num_par_remsets; i++) {
     _from_card_cache[i][hrs_idx] = -1;
   }
 }