Re: [Starpu-devel] Performance metric

[ASD D <ajitsdeshpande@gmail.com>]

Also what do the various fields -
# sumlnx        sumlnx2         sumlny          sumlnxlny       alpha
         beta            n
mean?

-AD.

On Mon, Nov 7, 2011 at 3:59 PM, ASD D <ajitsdeshpande@gmail.com> wrote:
> Hello,
>    Defined a structure starpu_perf_model_t provided its address in the
>  .model field of the starpu_codelet structure, i have.
> Now after execution of my app, it generated the performance model
> files for the codelet with metrics mentioned for the CUDA worker I
> have.
> But once it is created after first execution run, no matter how many
> times i run my app after that, the number in the performance model
> file not change.
>
> How does one achieve the average numbers in the performacne model
> files by running the app multiple times and getting the deviation and
> sum metrics there?
>
> thank you.
> -AD
>
> On Mon, Nov 7, 2011 at 3:09 PM, Samuel Thibault
> <samuel.thibault@ens-lyon.org> wrote:
>>
>> ASD D, le Mon 07 Nov 2011 14:53:25 +0000, a écrit :
>> >   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?
>>
>> Did you define a history-based performance model as described in 4.8
>> Performance model example? Also, you need to use a scheduler which makes
>> use of performance models, such as heft or dmda.
>>
>> Samuel
>