Mercurial > hg > graal-jvmci-8
changeset 3988:246daf2c601d
7005808: G1: re-enable ReduceInitialCardMarks for G1
Summary: Remove the extra guard to allow G1 to use ReduceInitialCardMarks
Reviewed-by: jmasa, tonyp, johnc, ysr
author | brutisso |
---|---|
date | Wed, 28 Sep 2011 08:21:30 +0200 |
parents | fd65bc7c09b6 |
children | f32dae5d5677 |
files | src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp src/share/vm/gc_implementation/g1/g1_globals.hpp |
diffstat | 2 files changed, 1 insertions(+), 12 deletions(-) [+] |
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--- a/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Thu Oct 06 13:28:09 2011 -0400 +++ b/src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp Wed Sep 28 08:21:30 2011 +0200 @@ -1337,12 +1337,7 @@ // storage in the heap comes from a young region or not. // See ReduceInitialCardMarks. virtual bool can_elide_tlab_store_barriers() const { - // 6920090: Temporarily disabled, because of lingering - // instabilities related to RICM with G1. In the - // interim, the option ReduceInitialCardMarksForG1 - // below is left solely as a debugging device at least - // until 6920109 fixes the instabilities. - return ReduceInitialCardMarksForG1; + return true; } virtual bool card_mark_must_follow_store() const { @@ -1366,8 +1361,6 @@ // update logging post-barrier, we don't maintain remembered set // information for young gen objects. virtual bool can_elide_initializing_store_barrier(oop new_obj) { - // Re 6920090, 6920109 above. - assert(ReduceInitialCardMarksForG1, "Else cannot be here"); return is_in_young(new_obj); }
--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp Thu Oct 06 13:28:09 2011 -0400 +++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp Wed Sep 28 08:21:30 2011 +0200 @@ -290,10 +290,6 @@ "each evacuation pause in order to artificially fill up the " \ "heap and stress the marking implementation.") \ \ - develop(bool, ReduceInitialCardMarksForG1, false, \ - "When ReduceInitialCardMarks is true, this flag setting " \ - " controls whether G1 allows the RICM optimization") \ - \ develop(bool, G1ExitOnExpansionFailure, false, \ "Raise a fatal VM exit out of memory failure in the event " \ " that heap expansion fails due to running out of swap.") \