[Ping] Re: [8u-dev, ppc] RFR for (almost clean) backport of 8188868: PPC64: Support AES intrinsics on Big Endian
Kazunori Ogata
OGATAK at jp.ibm.com
Mon Aug 12 17:45:28 UTC 2019
Hi Gustavo,
Thank you for pushing the code.
Regards,
Ogata
"Gustavo Romero" <gromero at linux.vnet.ibm.com> wrote on 2019/08/12
08:34:35:
> From: "Gustavo Romero" <gromero at linux.vnet.ibm.com>
> To: Kazunori Ogata/Japan/IBM at IBMJP, "Andrew John Hughes"
<gnu.andrew at redhat.com>
> Cc: hotspot-compiler-dev at openjdk.java.net, jdk8u-dev at openjdk.java.net
> Date: 2019/08/12 08:34
> Subject: Re: [Ping] Re: [8u-dev, ppc] RFR for (almost clean) backport of
> 8188868: PPC64: Support AES intrinsics on Big Endian
>
> Hi,
>
> Thanks Ogata for adjusting the change and evaluating performance on 8u +
Power BE.
>
> Thanks Andrew for reviewing and approving it.
>
> Pushed to jdk8u-dev:
> http://hg.openjdk.java.net/jdk8u/jdk8u-dev/hotspot/rev/42118db355f5
>
> Best regards,
> Gustavo
>
> On 07/31/2019 11:55 PM, Kazunori Ogata wrote:
> > Hi Andrew,
> >
> > Thank you for reviewing the webrev.
> >
> > Regards,
> > Ogata
> >
> > Andrew John Hughes <gnu.andrew at redhat.com> wrote on 2019/08/01
01:05:48:
> >
> >> From: Andrew John Hughes <gnu.andrew at redhat.com>
> >> To: Kazunori Ogata <OGATAK at jp.ibm.com>, hotspot-compiler-
> >> dev at openjdk.java.net, jdk8u-dev at openjdk.java.net
> >> Date: 2019/08/01 01:13
> >> Subject: [EXTERNAL] Re: [Ping] Re: [8u-dev, ppc] RFR for (almost
clean)
> >> backport of 8188868: PPC64: Support AES intrinsics on Big Endian
> >>
> >>
> >>
> >> On 31/07/2019 10:30, Kazunori Ogata wrote:
> >>> Ping.
> >>>
> >>> May I get review for the almost clean backport?
> >>>
> >>> Regards,
> >>> Ogata
> >>>
> >>> Kazunori Ogata/Japan/IBM wrote on 2019/07/24 17:48:23:
> >>>
> >>>> From: Kazunori Ogata/Japan/IBM
> >>>> To: hotspot-compiler-dev at openjdk.java.net,
jdk8u-dev at openjdk.java.net
> >>>> Date: 2019/07/24 17:48
> >>>> Subject: [8u-dev, ppc] RFR for (almost clean) backport of 8188868:
> >>> PPC64:
> >>>> Support AES intrinsics on Big Endian
> >>>>
> >>>> Hi,
> >>>>
> >>>> May I get review for backport of 8188868: PPC64: Support AES
> > intrinsics
> >>> on
> >>>> Big Endian?
> >>>>
> >>>> The original patch itself can be applied cleanly (besides
difference
> > of
> >>>> the source directory structure). However, one chunk failed because
> > the
> >>>> code just after the patched code was modified, so I manually
applied
> > the
> >>>
> >>>> chunk and renewed the patch.
> >>>>
> >>>> Bug: https://bugs.openjdk.java.net/browse/JDK-8188868
> >>>> Webrev:
> >>> http://cr.openjdk.java.net/~ogatak/jdk8u_aes_be/8188868/webrev.02/
> >>>>
> >>>> This backport is low risk and affects only PPC64 only. I verified
> > there
> >>>> was no degradation in "make test" results and SPECjbb 2015 ran
fine.
> > The
> >>>
> >>>> intrinsics added in this changeset improved max jOPS by 5% and
> > critical
> >>> jOPS by 4%.
> >>>>
> >>>> Regards,
> >>>> Ogata
> >>>
> >>
> >> Sorry, I started looking at this yesterday, but didn't get chance to
> > finish.
> >>
> >> It looks fine to me. The stubGenerator_ppc.cpp changes were a little
> >> hard to follow, but comparing the patched version with the 11u
version
> >> looked ok.
> >>
> >> Good to go.
> >> --
> >> Andrew :)
> >>
> >> Senior Free Java Software Engineer
> >> Red Hat, Inc. (http://www.redhat.com)
> >>
> >> PGP Key: ed25519/0xCFDA0F9B35964222 (hkp://keys.gnupg.net)
> >> Fingerprint = 5132 579D D154 0ED2 3E04 C5A0 CFDA 0F9B 3596 4222
> >> https://keybase.io/gnu_andrew
> >>
> >> [attachment "signature.asc" deleted by Kazunori Ogata/Japan/IBM]
> >
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