Re: [Starpu-devel] Constructing codelet-chain loop

[Albert Sidelnik <sidelnik@gmail.com>]

Excellent! That fixed it for me.

On Thu, Apr 19, 2012 at 10:42 AM, Samuel Thibault
<samuel.thibault@ens-lyon.org> wrote:
> Samuel Thibault, le Thu 19 Apr 2012 17:10:08 +0200, a écrit :
>> Albert Sidelnik, le Wed 18 Apr 2012 20:11:00 +0200, a écrit :
>> > I'm trying emulate a "do-while" loop strictly using codelets, but my
>> > program seems to be hanging,
>>
>> Using tags in a regenerable graph has not been tested, so it might
>> very well be bugged.  In the meanwhile, you can have a look at
>> tests/main/subgraph_repeat_regenerate.c, which performs a task graph in
>> a while loop, but using task dependencies instead of tags.
>
> There is indeed a bug: starpu_tag_restart was missing.  If you notify a
> tag several times, only the first time will actually trigger something.
> One needs to reset the tag before notifying it again.  I have commited a
> fix in revision 6480 to the starpu-1.0 branch, which you can fetch using
>
> svn co svn://scm.gforge.inria.fr/svn/starpu/branches/starpu-1.0
>
> Samuel