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From "Vladimir Beliaev" <vladimir.k.beli...@gmail.com>
Subject Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Date Wed, 09 Jan 2008 17:17:52 GMT
It looks like there is no objections to temporarily switch the mode to
uncompressed using HARMONY-5355.

If I'm correct then - Stepan, could you do this, please?

Thanks
VB

2007/12/31, Ilya Berezhniuk <ilya.berezhniuk@gmail.com>:
>
> Alexey,
>
> I think the suggestion was to switch temporarily.
>
> To establish testing in both modes,
> '-XX:vm.compress_references=[true|false]' option can be used
> regardless of default mode. It just needs changes in CruiseControl to
> specify this parameter.
>
> Thanks,
> Ilya.
>
> 30.12.07, Alexei Fedotov<alexei.fedotov@gmail.com> написал(а):
> > Yes, running tests for both modes makes sense for me. Also from QA
> > course I've taught it comes naturally that running all tests in both
> > modes may be excessive. Maybe we should define a subset of test suites
> > which contain most of GC and enumeration specific tests and run only
> > those test suites in both modes on regular basis to reduce
> > CruiseControl resource consumption.
> >
> >
> > On Dec 30, 2007 1:11 AM, Gregory Shimansky <gshimansky@apache.org>
> wrote:
> > > On 30 декабря 2007 Alexei Fedotov wrote:
> > > > Pavel,
> > > >
> > > > You wrote:
> > > > > I'd like to propose change default mode of DRLVM on x86-64 to
> > > > > "uncompressed".
> > > >
> > > > I'm not against this suggestion, just trying to understand details.
> Do
> > > > you propose a temporary or permanent change? Which mode most of
> x86-64
> > > > users would like to use?
> > >
> > > Most of users I think would still prefer compressed references since
> not many
> > > tasks require heaps over 2Gb. But for running CC/CI tests I think both
> modes
> > > should be made default on x86_64 architectures.
> > >
> > >
> > > > On Dec 28, 2007 7:34 PM, Ilya Berezhniuk <ilya.berezhniuk@gmail.com>
> wrote:
> > > > > I support this idea.
> > > > > As I spent significant time on implementing this feature, it's
> > > > > interesting for me to know how it works.
> > > > >
> > > > > For now uncompressed references mode successfully passes 'build
> test',
> > > > > and EHWA on Linux/x86_64. HUT suite is passed with errors, but
> these
> > > > > errors are the same as for default compressed mode.
> > > > >
> > > > > Thanks,
> > > > > Ilya.
> > > > >
> > > > > 2007/12/27, Pavel Afremov <pavel.n.afremov@gmail.com>:
> > > > > > Hi
> > > > > >
> > > > > > Uncompressed references support was implemented but was not
> tested
> > > > > > closely yet.
> > > > > > I'd like to propose change default mode of DRLVM on x86-64 to
> > > > > > "uncompressed". With such a change we can test uncompressed
> references
> > > > > > mode with default snapshot testing.
> > > > > > If snapshot testing will show bad results, we can switch default
> mode
> > > > > > again.
> > > > > >
> > > > > > You can find all required changes in
> > > > > > HARMONY-5355<https://issues.apache.org/jira/browse/HARMONY-5355>
> > > > > > .
> > > > > >
> > > > > > Thanks
> > > > > > Pavel Afremov.
> > >
> > >
> > >
> > > --
> > > Gregory
> > >
> >
> >
> >
> > --
> > With best regards,
> > Alexei,
> > ESSD, Intel
>
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