Re: [starpu-devel] How to visualize StarPU data?

[Vinícius Garcia Pinto <vgpinto@inf.ufrgs.br>]

Hello

On 17/02/2021 20:35, Samuel Thibault wrote:
> Hello,
>
> Vinícius Garcia Pinto, le mer. 17 févr. 2021 16:12:54 -0300, a ecrit:
> >   - starvz is now on the CRAN repository
> > (https://cran.r-project.org/web/packages/starvz/), one can install it with
> > R> install.packages("starvz")
> Oh, cool! Could you submit an update of the documentation on
>
> https://files.inria.fr/starpu/doc/html/OfflinePerformanceTools.html#starvz
>
> ?
Sure, I will prepare a patch.
> >     # Get the path of starvz tools (to convert from fxt to paje and then
> >     to the CSVs expected by starvz)
> >     export STARVZ_TOOLS=$(Rscript -e 'cat(system.file("tools/", package
> >     = "starvz"), sep="\n")')
> I would say the documentation should advise to add this to .bashrc, and
> add $STARVZ_TOOLS to $PATH there too, so that the user just needs to run
> starvz at his prompt.
ok
> >     # Run starvz (assuming you have |starpu_fxt_tool|, |pj_dump|, and
> >     |rec2csv| in |$PATH|)
> >     $STARVZ_TOOLS/starvz /foo/path-to-fxt-files
> Could starvz optionally directly take a paje.trace file instead of an
> fxt file? fxt files are not portable across versions of starpu.
It is feasible. Actually, starvz needs more than the paje.trace, we also 
use some .rec files, dag.dot, etc
I will create/document how to use it without the fxt files.
> >     # Done! you should find a starvz.png file at /foo/path-to-fxt-files
> Great :)
>
> Is there an option to generate a "movie" of the matrix tiles
> loads/evictions? That would help us with scheduling under memory
> constraints.
Hum, this could be a gif
 I think Lucas Nesi was working on some matrix visualizations sometime 
ago, but not sure if he has tried something like that.
> > If you want to have more control over the starvz panels, enrichments,
> > disable plots, etc, you can jump to an R session and play with the config
> > and plot functions. We have a working paper where we discuss each function's
> > usage (https://hal.inria.fr/hal-02960848/document), we are still working on
> > publishing it, but the main steps are already there...
> You could like that paper from the StarPU documentation as well :)
>
> Samuel