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From "Alexei Fedotov" <alexei.fedo...@gmail.com>
Subject Re: [general] jre bundle size
Date Fri, 19 Oct 2007 12:32:30 GMT
Hello Egor,

> Can anyone, please, help me find a microbenchmark where current CU
> implementation helps?

Please, check the following tests [1] developed by Nikolay Chugunov.
They just report failure when CU is absent.

Thanks.

[1] http://svn.apache.org/viewvc/harmony/enhanced/buildtest/branches/2.0/tests/stress/qa/src/test/stress/org/apache/harmony/test/stress/classloader/unloading/

On 18 Oct 2007 17:53:32 +0400, Egor Pasko <egor.pasko@gmail.com> wrote:
> On the 0x373 day of Apache Harmony Tim Ellison wrote:
> > Rana Dasgupta wrote:
> > > Even in drlvm we have a lot of dll's, and I am not sure that this is a
> > > bad thing. It allows the components to be more modular and actually
> > > can reduce memory footprint, we just have to be more judicious about
> > > what we load at startup. We could also drop things like gc_cc.dll etc.
> > > if we really need to.
> >
> > Certainly helps when there is sharing rather than copying of code/data.
> >  And if the DLLs are optional functionality then it allows users to
> > customize the runtime that much easier.  For example, the IBM VME can
> > tolerate the removal of the JIT DLL such that (obviously) you only get
> > the interpreter functionality, same for some diagnostics, etc.  For
> > people who want to reduce the disk/in memory footprint they can tailor
> > it to suit.
> >
> > > Not sure why distribution size is a big problem, it is the memory
> > > image size that seems more important.
> >
> > Ideally we want both of course<g> but I agree that we should plan to
> > distribute the full set of functionality (the big disk option) and allow
> > people to remove unwanted function as they see fit.
>
> Can anyone, please, help me find a microbenchmark where current CU
> implementation helps? And did anyone experiment with CU effect on
> DaCapo performance?
>
> not suspicious, just interested..
>
> --
> Egor Pasko
>
>


-- 
With best regards,
Alexei,
ESSD, Intel

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