Re: [Valgrind-users] Floating point benchmark needed

[Stefan K. <en...@ho...>]

Hi Julian,

wouldn't that be a good candidate:
http://www.fftw.org/

Otherwise I could code you a little mandelbrot-generator.

Stefan

Julian Seward wrote:
> One of the Valgrind developers (Nick) has recently started 
> putting together a collection of programs intended to measure
> Valgrind's performance (in perf/ if you have a recent svn checkout).
>
> This is a good thing.  For the first time it allows us to
> systematically measure Valgrind's performance across a range
> of different program types and different CPUs.  Even at this
> early stage it has uncovered some performance problems, the
> fixes for which will be in 3.2.0.
>
> We are looking for a good floating point test program for the
> suite.  There are already two FP programs in it, but neither meets
> the following set of requirements.  If you know of a program
> which does meet them, and especially if you have the time/expertise
> to help modify an existing program to meet them, we would be pleased
> to hear from you.
>
> Essential requirements:
>
> - must be available under an open-source license.  Doesn't have
>   to be GPL since is not being linked into Valgrind.
>
> - must be written in C, and work correctly on both 32- and 64-bit
>   platforms, big- and little-endian
>
> - must be predominantly double-precision floating-point in workload
>
> - must have several innermost loops/hotspots.  A program of at
>   least moderate complexity is desired (1000-10000 lines of C).
>   Our existing FP benchmarks are synthetic benchmarks and do not
>   meet this requirement.
>
> Perhaps something like a simple raytracer, fluid dynamics code,
> or audio codec would be suitable.
>
> J
>
>
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