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Posted to dev@harmony.apache.org by Weldon Washburn <we...@gmail.com> on 2006/08/14 22:37:19 UTC
[DRLVM][MMTk] Jitrino.JET design questions on integrating the object allocation APIs
Alex,
How hard would it be to modify Jitrino.JET to call a different object
allocation helper function on a method-by-method basis? This would
help a bunch with integrating MMTk into DRLVM. It would also be nice
to enable write barriers on a method-by-method basis.
Thanks
--
Weldon Washburn
Intel Middleware Products Division
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Re: [DRLVM][MMTk] Jitrino.JET design questions on integrating the object allocation APIs
Posted by Weldon Washburn <we...@gmail.com>.
Hi Mikhail,
I think your suggestion below will work. I will try it hopefully in
the next few weeks.
Thanks
On 8/21/06, Mikhail Fursov <mi...@gmail.com> wrote:
> Hi Weldon,
> I saw Alex 2 or 3 days ago and he told me that he will travel a lot for 2
> weeks and will have a problems with access to the computer with Internet.
> Anyway I think I can help you with the problem you have.
>
> DRLVM already has a mechanism to filter methods between different execution
> engines (JITs) by method names: Execution Manager's filters. So the easiest
> way to call different object allocation helpers for different methods is to
> build 2 jitrino.dll's. The first JIT library should keep the old helper call
> and the second one should be patched to call a new helper.
>
> After you have 2 libraries you can configure EM
> http://incubator.apache.org/harmony/subcomponents/drlvm/emguide.html
> which library(JIT version) to use to compile a method using method name
> filters.
>
> Is this solution solves your problem?
>
> On 8/15/06, Weldon Washburn < weldonwjw@gmail.com> wrote:
> >
> > Alex,
> >
> > How hard would it be to modify Jitrino.JET to call a different object
> > allocation helper function on a method-by-method basis? This would
> > help a bunch with integrating MMTk into DRLVM. It would also be nice
> > to enable write barriers on a method-by-method basis.
> >
> > Thanks
> > --
> > Weldon Washburn
> > Intel Middleware Products Division
> >
> > ---------------------------------------------------------------------
> > Terms of use : http://incubator.apache.org/harmony/mailing.html
> > To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> > For additional commands, e-mail: harmony-dev-help@incubator.apache.org
> >
> >
>
>
> --
> Mikhail Fursov
>
>
--
Weldon Washburn
Intel Middleware Products Division
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Re: [DRLVM][MMTk] Jitrino.JET design questions on integrating the object allocation APIs
Posted by Mikhail Fursov <mi...@gmail.com>.
Hi Weldon,
I saw Alex 2 or 3 days ago and he told me that he will travel a lot for 2
weeks and will have a problems with access to the computer with Internet.
Anyway I think I can help you with the problem you have.
DRLVM already has a mechanism to filter methods between different execution
engines (JITs) by method names: Execution Manager's filters. So the easiest
way to call different object allocation helpers for different methods is to
build 2 jitrino.dll's. The first JIT library should keep the old helper call
and the second one should be patched to call a new helper.
After you have 2 libraries you can configure EM
http://incubator.apache.org/harmony/subcomponents/drlvm/emguide.html
which library(JIT version) to use to compile a method using method name
filters.
Is this solution solves your problem?
On 8/15/06, Weldon Washburn < weldonwjw@gmail.com> wrote:
>
> Alex,
>
> How hard would it be to modify Jitrino.JET to call a different object
> allocation helper function on a method-by-method basis? This would
> help a bunch with integrating MMTk into DRLVM. It would also be nice
> to enable write barriers on a method-by-method basis.
>
> Thanks
> --
> Weldon Washburn
> Intel Middleware Products Division
>
> ---------------------------------------------------------------------
> Terms of use : http://incubator.apache.org/harmony/mailing.html
> To unsubscribe, e-mail: harmony-dev-unsubscribe@incubator.apache.org
> For additional commands, e-mail: harmony-dev-help@incubator.apache.org
>
>
--
Mikhail Fursov