Re: [Starpu-devel] Performance metric

[ASD D <ajitsdeshpande@gmail.com>]

Hello ,
  In am able to get the performance model files in .starpu/sampling/codelets, which have metrics, for the basic_examples (e.g. vector_cal) but when I run my own application, I do not seem to get any performacne model files, which would tell me the task execution metrics for my application. Any macro i need to enable while configuring to get this?

thank you,
-AD.

On Sat, Nov 5, 2011 at 9:32 AM, ASD D <ajitsdeshpande@gmail.com> wrote:

Thank you Samuel.

-Ajit.

On Fri, Nov 4, 2011 at 5:34 PM, Samuel Thibault <samuel.thibault@ens-lyon.org> wrote:

ASD D, le Fri 04 Nov 2011 18:29:45 +0100, a écrit :

> 2] Then, I see following files(performance model files) -  .starpu/sampling/
> codelets/vector_scale.mymachine and vector_scale_power.mymachine, generated in
> my folder after execution of the app under starpu -
>   having content as below.

That's it. As explained in part 6.3 (Performance of codelets) of the
documentation, you can use starpu_perfmodel_display to get the
information a bit more clearly, but it's about the same information.

> # hash          size            mean            dev             sum            
> sum2            n
> 870a30aa        8192            4.338900e+01    0.000000e+00    4.338900e+01   
> 1.882605e+03    1

So your task took 43µs for size 8KB. If you run it several times, you
will get the average and standard deviation.

Samuel