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8028993: Full collections with ParallelScavenge slower in JDK 8 compared to 7u40

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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
This commit is contained in:
Stefan Johansson 2013-12-10 10:31:00 +01:00
parent 5d5b1157d1
commit 5f4d0e9c25
8 changed files with 25 additions and 54 deletions
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4
hotspot/src/share/vm/oops/instanceClassLoaderKlass.cpp
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@ -150,10 +150,6 @@ void InstanceClassLoaderKlass::oop_push_contents(PSPromotionManager* pm, oop obj
int InstanceClassLoaderKlass::oop_update_pointers(ParCompactionManager* cm, oop obj) {
InstanceKlass::oop_update_pointers(cm, obj);
ClassLoaderData * const loader_data = java_lang_ClassLoader::loader_data(obj);
if (loader_data != NULL) {
PSParallelCompact::adjust_class_loader(cm, loader_data);
}
return size_helper();
}
#endif // INCLUDE_ALL_GCS