[Patch] ParallelGC: Improve AlwaysPreTouch with multiple threads
stefan.johansson at oracle.com
stefan.johansson at oracle.com
Fri Aug 21 11:48:17 UTC 2020
Hi Amit,
Now the patch made it through =)
Me or somebody else from the GC-team will provide feedback once we find
time to look at the patch.
Thanks for reaching out,
Stefan
On 2020-08-21 13:39, amith pawar wrote:
> Hi Stefan,
>
> Thanks for replying. First time got rejected and then resent it after
> subscribing to the group. Not sure how this happened.
>
> I am attaching again. Please do check.
>
> Thanks,
> Amit Pawar
>
> On Fri, Aug 21, 2020 at 1:29 PM <stefan.johansson at oracle.com
> <mailto:stefan.johansson at oracle.com>> wrote:
>
> Hi Amit,
>
> Your patch did not make it to the list. It might have been stripped.
> Are
> you subscribed to the list? That might be required to attach patches.
>
> Thanks,
> Stefan
>
> On 2020-08-20 19:33, amith pawar wrote:
> > Hi,
> >
> > Currently AlwaysPreTouch for ParallelGC is done with a single
> thread and
> > this attached patch converts it to multithreaded similar to other
> GCs.
> >
> > All JTREG tests passed without new failures.
> >
> > Time taken for pretouch on EPYC server with 1TB memory and 128
> threads
> > Before fix: ~107 s
> > After fix : ~14 s
> >
> > Please review this attached patch and give your feedback.
> >
> > Thanks,
> > Amit Pawar
> >
>
>
>
> --
> With best regards,
> amit pawar
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