johnc [Tue, 17 Jul 2012 12:24:05 -0700] rev 13335
7182260: G1: Fine grain RSet freeing bottleneck
Summary: Chain the fine grain PerRegionTables in an individual RSet together and free them in bulk using a single operation.
Reviewed-by: johnc, brutisso
Contributed-by: Thomas Schatzl <thomas.schatzl@jku.at>
johnc [Tue, 17 Jul 2012 14:57:02 -0700] rev 13334
7184772: G1: Incorrect assert in HeapRegionLinkedList::add_as_head()
Summary: Assertion incorrectly checks that _head is NULL and should be checking that _tail is NULL instead.
Reviewed-by: johnc
Contributed-by: Brandon Mitchell <brandon@twitter.com>
johnc [Tue, 17 Jul 2012 11:52:10 -0700] rev 13333
7173712: G1: Duplicated code in G1UpdateRSOrPushRefOopClosure::do_oop_nv()
Summary: Duplicated code from G1RemSet::par_write_ref() inlined into G1UpdateRSOrPushRefOopClosure::do_oop_nv() was showing up in profiles with a fairly high amount of CPU time. Manually inline the main part of G1RemSet::par_write_ref() to eliminate the code duplication.
Reviewed-by: azeemj, brutisso