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Re: [Starpu-devel] Clarification on task graph


Chronologique Discussions 
  • From: Ankur Sharma <ankur.sharma@mailbox.tu-dresden.de>
  • To: Samuel Thibault <samuel.thibault@ens-lyon.org>
  • Cc: starpu-devel@lists.gforge.inria.fr
  • Subject: Re: [Starpu-devel] Clarification on task graph
  • Date: Sun, 14 Sep 2014 11:05:17 +0200
  • List-archive: <http://lists.gforge.inria.fr/pipermail/starpu-devel/>
  • List-id: "Developers list. For discussion of new features, code changes, etc." <starpu-devel.lists.gforge.inria.fr>

Hello,

Thanks for the response.
I have one more query, is it possible to dump the amount of data that flows
between the tasks. I am trying to label this information on the task graph.

Warm regards
Ankur

On 11 Sep 2014, at 16:42, Samuel Thibault <samuel.thibault@ens-lyon.org>
wrote:

> Ankur Sharma, le Thu 11 Sep 2014 15:08:05 +0200, a écrit :
>> I have been working to extract performance data out of sample applications
>> of StarPU. When I analysed the dot file dumped by fxt, I found several
>> tasks named tag_* on the task graph.
>>
>> Can you please let me know the source of these tasks and if anyway these
>> can be removed?
>
> These correspond to "tags", which are one of the ways to express
> dependencies between tasks. To remove them you'd have to collapse the
> vertices. But you can also simply use the LU example which uses implicit
> dependencies instead of tags: lu_implicit_*
>
> Samuel





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