hg: jdk7u/jdk7u-dev/hotspot: 21 new changesets

[David Dabbs]

Where/how are the performance regressions showing up? I saw mention of
issues with FMW (fusion middleware?), but what was slower?

Thank you,

David

> -----Original Message-----
> From: jdk7u-dev-bounces at openjdk.java.net [mailto:jdk7u-dev-
> bounces at openjdk.java.net] On Behalf Of Mikael Vidstedt
> Sent: Wednesday, April 25, 2012 11:42 AM
> To: Ismael Juma
> Cc: jdk7u-dev at openjdk.java.net
> Subject: Re: hg: jdk7u/jdk7u-dev/hotspot: 21 new changesets
> 
> 
> We need time to investigate the performance regressions we're seeing and
> meanwhile we will keep tiered compilation default off.
> 
> Cheers,
> Mikael
> 
> On 2012-04-25 05:46, Ismael Juma wrote:
> > On Fri, Apr 20, 2012 at 7:16 PM,<lana.steuck at oracle.com>  wrote:
> >
> >> Changeset: 34fce1d343b0
> >> Author:    iveresov
> >> Date:      2012-04-07 12:29 -0700
> >> URL:
> >> http://hg.openjdk.java.net/jdk7u/jdk7u-dev/hotspot/rev/34fce1d343b0
> >>
> >> 7159766: Tiered compilation causes performance regressions
> >> Summary: Disable tiered in 7u4 because of the performance anomalies
> >> with Oracle FMW
> >> Reviewed-by: never, kvn
> >>
> >> ! src/cpu/sparc/vm/c2_globals_sparc.hpp
> >> ! src/cpu/x86/vm/c2_globals_x86.hpp
> >>
> > I thought this change was meant just for jdk7u4, but it seems like it
> > has gone to jdk7u6 too:
> >
> > http://download.java.net/jdk7u6/changes/jdk7u6-b07.html
> >
> > Is that intentional?
> >
> > Best,
> > Ismael
> 
> 
> -----
> No virus found in this message.
> Checked by AVG - www.avg.com
> Version: 10.0.1424 / Virus Database: 2411/4958 - Release Date: 04/25/12