Re: [Starpu-devel] Fortran interface for StarPU

[Alfredo Buttari <alfredo.buttari@enseeiht.fr>]

sorry but the attachment didn't make it through.
Here you can find the package:

https://cloud.irit.fr/index.php/s/u7aWgOgIEx5gL0s

ciao
alfredo


Alfredo Buttari writes:

> Dear StarPU developers,
> in order to port the qr_mumps solver on StarPU, I have written (and
> re-written quite a few times) a module containing fortran interfaces for
> StarPU methods as well as a few wrappers for those methods that cannot be
> interfaced in a portable way. These wrappers are necessary mostly because
> of the following issues:
>
> 1) C variadic functions are not interoperable and (as far as I know)
> there's no portable way to call them in a fortran code other than going
> through a C wrapper.
>
> 2) some StarPU structs (for example starpu_codelet) are not interoperable.
>
> 3) the arguments of some functions are not of interoperable type. One weird
> and very common case is the unsigned type which (for some obscure reason)
> is not fortran interoperable. For arguments of this type we can use the
> fortran integer type and it will just work although, on paper, this is not
> portable.
>
> In the attachment you can find the starpu_f_mod.f90 file containing a
> number of interfaces and a starpu_f_wrappers.c containing C wrappers. The
> package also contains a main program that shows how to use most of the
> interfaced routines.
>
> I discussed with Sam Thibault about the possibility to integrate this
> interface in StarPU to make it available to the other concerned users. The
> module is far from being complete and only contains a small fraction of all
> the StarPU methods but if we agree on the approach and the syntax then it's
> just a matter of coding the rest gradually, as needed.
>
>
> Ciao
> Alfredo


-- 
Alfredo Buttari, PhD
http://buttari.perso.enseeiht.fr