Re: [Starpu-devel] Worker Binding Problem

[Berenger Bramas <berenger.bramas@inria.fr>]

So, the OpenMP variable
OMP_WAIT_POLICY={PASSIVE|ACTIVE}
let control that and now it works well,
Thanks again.

Bérenger Bramas

HiePACS Project

Tel (05 24 57) 40 76
INRIA BORDEAUX Sud Ouest


----- Mail original -----
| De: "Samuel Thibault" <samuel.thibault@inria.fr>
| À: "Berenger Bramas" <berenger.bramas@inria.fr>
| Cc: starpu-devel@lists.gforge.inria.fr
| Envoyé: Mercredi 9 Septembre 2015 14:41:13
| Objet: Re: [Starpu-devel] Worker Binding Problem
| 
| Berenger Bramas, le Wed 09 Sep 2015 14:32:55 +0200, a écrit :
| > I set OMP_DYNAMIC=false to ensure the OpenMP thread to not spin while
| > waiting
| > (even if I am out of the OpenMP parallel section when I execute StarPU 
test
| > so I suppose the GCC implementation put the thread to sleep anyway)
| > So I clearly do not understand why there is this behavior.
| 
| As discussed in real-life, we tend to thing that gcc doesn't actually
| put threads to sleep, but makes them spin, ready for another parallel
| section.
| 
| Samuel
|