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7011379: G1: overly long concurrent marking cycles

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This changeset introduces filtering of SATB buffers at the point when they are about to be enqueued. If this filtering clears enough entries on each buffer, the buffer can then be re-used and not enqueued. This cuts down the number of SATB buffers that need to be processed by the concurrent marking threads.

Reviewed-by: johnc, ysr
This commit is contained in:
Antonios Printezis 2011-01-19 09:35:17 -05:00
parent a484211e0b
commit 05b7df20dd
8 changed files with 130 additions and 18 deletions
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2
hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp
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@ -28,7 +28,7 @@
#include "gc_implementation/g1/concurrentMark.hpp"
#include "gc_implementation/g1/g1CollectedHeap.hpp"
#include "gc_implementation/g1/g1CollectorPolicy.hpp"
#include "gc_implementation/g1/heapRegionSeq.hpp"
#include "gc_implementation/g1/heapRegionSeq.inline.hpp"
#include "utilities/taskqueue.hpp"
// Inline functions for G1CollectedHeap