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From "Vladimir Ivanov" <ivavladi...@gmail.com>
Subject Re: [drlvm][jit][win64] why jit perfomance so low?
Date Tue, 22 May 2007 04:23:11 GMT
Does it means that we can use only 'release' build for testing while
'debug' build required more than 10 hours to run DRLVM tests?

 thanks, Vladimir

On 5/18/07, Mikhail Fursov <mike.fursov@gmail.com> wrote:
> I think the numbers you mention are from debug build.
>
> The reason of significant compilation time increase when using Windows
> x86_64 is MSVS2005 STL implementation. It does a lot of checks in debug mode
> that MSVS2003 version did not.
>
>
> On 5/18/07, Vladimir Ivanov <ivavladimir@gmail.com> wrote:
> >
> > Hello everyone,
> > I have a small question about JIT performance on Windows x86_64: why
> > the DRLVM kernel test java.lang.ClassGenericsTest, for example,
> > required in my env:
> > ~20 seconds to finish in the default mode;
> > ~400 seconds to finish in the 'opt' mode;
> > ~2000 seconds to finish in the 'server' mode.
> >
> > I know that this platform was only enabled but may be someone from JIT
> > expert spends some time to improve performance a little bit?
> >
> > Thanks, Vladimir
> >
>
>
>
> --
> Mikhail Fursov
>

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