[parsec-users] parsec on sparc patch (except ferret, facesim and vips)

Huan Fang huanf at kth.se
Tue Jul 8 10:16:52 EDT 2008


Hi Chris,


Many thanks to your patch, canneal can now run without any problems on 
solaris/sparc.
The weird thing is I got a speedup even better than the ideal one.  
i.e.  4.6x  on 4cpus,
24.4x on 16cpus. I used Simics for simulation.

Can anyone explain that?

Regards,
Huan
> Hi all,
>
>    I compiled a patch that hopefully should allow you to compile parsec on 
> a Sparc/Solaris 10 box. A few notes on my build environment: Solaris 10 
> 5/08, gcc 4.2.3, and binutils 2.18. binutils 2.15 that ships with Solaris 
> 10 have a funny version of AS, that refuses to compile perfectly legal 
> opcodes and I think there was also an ld issue. The patch is configured to 
> use parsec hooks with simics magic instructions.
>
> You can get the patch from: 
> http://www.cl.cam.ac.uk/~cf309/parsec_sparc.patch.bz2
>
> A few notes on the patch. I added a global definition BIG_ENDIAN_MACHINE 
> to trigger endianess swap in affected benchmarks. No effort has been made 
> to bind a thread to a particular CPU. As for dedup, the output is saved in 
> big endian and as such different from output computed on an x86 box. The 
> patch adds a configuration gcc-sparc, so you can use parsecmgmt to compile 
> the benchmarks as usual.
>
> As for the remaining benchmarks, I have vips and facesim running. But...
>
> vips produces output that is too different to say that it is just an 
> endianess issue. 
>
> facesim runs only if I use a really nasty hack. I don't feel comfortable 
> of releasing this to public.
>
> as for ferret, I am still at a complete loss. It compiles, but then just 
> hangs...
>
> If you have any questions feel free to contact me.
>
> Cheers
>
>    Chris
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>   



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