Re: [Starpu-devel] Performance metric

[Samuel Thibault <samuel.thibault@ens-lyon.org>]

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