RFR: JDK-8061259: ParNew promotion failed is serialized on a lock

Jungwoo Ha jwha at google.com
Wed Nov 19 17:13:32 UTC 2014


http://cr.openjdk.java.net/~rasbold/8061259/webrev.06/

PTAL.

On Mon, Nov 17, 2014 at 7:57 AM, Kim Barrett <kim.barrett at oracle.com> wrote:

> On Nov 17, 2014, at 5:11 AM, Bengt Rutisson <bengt.rutisson at oracle.com>
> wrote:
> >
> >> I think this does leave open the possibility of moving the
> >> _promotion_failed flag check earlier in copy_to_survivor_space_XXX(),
> >> […]
> >>
> >> I'm not sure it would be overall beneficial though, […]
> >
> > Yes, there is probably room for more improvement here. I think adding
> the check in the copy_to_survivor_space_XXX_undo() methods is a clear
> improvement in many cases. So, doing that as a first step is a good start.
> We can consider moving it earlier as a future enhancement.
>
> Agreed.
>
>
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