Re: [Starpu-devel] [Starpu-commits] r8197 - in trunk: doc/chapters gcc-plugin/examples/cholesky src src/core src/sched_policies tests/sched_policies

[Samuel Thibault <samuel.thibault@ens-lyon.org>]

Ludovic Courtès, le Tue 04 Dec 2012 11:18:31 +0100, a écrit :
> Samuel Thibault <samuel.thibault@ens-lyon.org> skribis:
> > Ludovic Courtès, le Tue 04 Dec 2012 10:13:12 +0100, a écrit :
> >> croelandt@users.gforge.inria.fr skribis:
> >> > Users should now use dmda. This commit removes the heft scheduler, 
> >> > updates the
> >> > documentation and gets rid of heft in the tests.
> >> 
> >> My understanding is that HEFT and DMDA are different scheduling
> >> algorithms.
> >
> > They actually use the same heuristic (and indeed get the same
> > performance on magma for instance).
> 
> But they’re not completely equivalent, are they?

They are meant to be. Differences were only implementation issues.

> (I failed to find a paper describing DMDA.)

DMDA ((task) modeling and data aware) is the name that Cédric coined
in papers to get a name progression from eager to dm then dmda, dmda
latter being equivalent to heft (which does both task modeling and data
modeling).

Samuel