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Posted to dev@harmony.apache.org by Pavel Afremov <pa...@gmail.com> on 2007/12/27 17:34:07 UTC
[drlvm][object][testing] Snapshot testing for uncompressed references mode
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.
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Stepan Mishura <st...@gmail.com>.
On 1/9/08, Vladimir Beliaev <vl...@gmail.com> wrote:
> 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?
>
The patch was applied at r610727.
-Stepan.
> Thanks
> VB
>
> 2007/12/31, Ilya Berezhniuk <il...@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<al...@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 <gs...@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 <il...@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 <pa...@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
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Vladimir Beliaev <vl...@gmail.com>.
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 <il...@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<al...@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 <gs...@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 <il...@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 <pa...@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
>
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Ilya Berezhniuk <il...@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<al...@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 <gs...@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 <il...@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 <pa...@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
>
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Alexei Fedotov <al...@gmail.com>.
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 <gs...@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 <il...@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 <pa...@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
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Gregory Shimansky <gs...@apache.org>.
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 <il...@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 <pa...@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
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Alexei Fedotov <al...@gmail.com>.
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?
Thanks.
On Dec 28, 2007 7:34 PM, Ilya Berezhniuk <il...@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 <pa...@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.
> >
>
--
With best regards,
Alexei,
ESSD, Intel
Re: [drlvm][object][testing] Snapshot testing for uncompressed references mode
Posted by Ilya Berezhniuk <il...@gmail.com>.
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 <pa...@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.
>