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6819065: G1: eliminate high serial card table clearing time

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Reviewed-by: iveresov, tonyp
This commit is contained in:
Andrey Petrusenko 2009-05-19 04:05:31 -07:00
parent 4f6c7e4a14
commit b7eda61fb6
5 changed files with 126 additions and 4 deletions
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5
hotspot/src/share/vm/gc_implementation/g1/g1RemSet.cpp
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@ -219,6 +219,7 @@ public:
HeapRegionRemSet* hrrs = r->rem_set();
if (hrrs->iter_is_complete()) return false; // All done.
if (!_try_claimed && !hrrs->claim_iter()) return false;
_g1h->push_dirty_cards_region(r);
// If we didn't return above, then
// _try_claimed || r->claim_iter()
// is true: either we're supposed to work on claimed-but-not-complete
@ -242,6 +243,10 @@ public:
assert(card_region != NULL, "Yielding cards not in the heap?");
_cards++;
if (!card_region->is_on_dirty_cards_region_list()) {
_g1h->push_dirty_cards_region(card_region);
}
// If the card is dirty, then we will scan it during updateRS.
if (!card_region->in_collection_set() && !_ct_bs->is_card_dirty(card_index)) {
if (!_ct_bs->is_card_claimed(card_index) && _ct_bs->claim_card(card_index)) {