Mercurial > hg > truffle
diff src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp @ 13438:ad72068ac41e
8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40
Summary: Reducing the number of calls to follow_class_loader to speed up the marking phase. Also removed some unnecessary calls to adjust_klass.
Reviewed-by: stefank, jmasa, mgerdin
| author | sjohanss |
|---|---|
| date | Tue, 10 Dec 2013 10:31:00 +0100 |
| parents | 86e6d691f2e1 |
| children | 63a4eb8bcd23 270d7cb38f40 |
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--- a/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp Mon Dec 09 08:20:45 2013 +0100 +++ b/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp Tue Dec 10 10:31:00 2013 +0100 @@ -2433,20 +2433,6 @@ _gc_tracer.report_object_count_after_gc(is_alive_closure()); } -void PSParallelCompact::follow_klass(ParCompactionManager* cm, Klass* klass) { - ClassLoaderData* cld = klass->class_loader_data(); - // The actual processing of the klass is done when we - // traverse the list of Klasses in the class loader data. - PSParallelCompact::follow_class_loader(cm, cld); -} - -void PSParallelCompact::adjust_klass(ParCompactionManager* cm, Klass* klass) { - ClassLoaderData* cld = klass->class_loader_data(); - // The actual processing of the klass is done when we - // traverse the list of Klasses in the class loader data. - PSParallelCompact::adjust_class_loader(cm, cld); -} - void PSParallelCompact::follow_class_loader(ParCompactionManager* cm, ClassLoaderData* cld) { PSParallelCompact::MarkAndPushClosure mark_and_push_closure(cm); @@ -2455,13 +2441,6 @@ cld->oops_do(&mark_and_push_closure, &follow_klass_closure, true); } -void PSParallelCompact::adjust_class_loader(ParCompactionManager* cm, - ClassLoaderData* cld) { - cld->oops_do(PSParallelCompact::adjust_pointer_closure(), - PSParallelCompact::adjust_klass_closure(), - true); -} - // This should be moved to the shared markSweep code! class PSAlwaysTrueClosure: public BoolObjectClosure { public: