Re: [Starpu-devel] Using STARPU_COMMUTE with starpu_mpi_task_build()

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

Xavier Lacoste, le Wed 26 Feb 2014 15:43:26 +0100, a écrit :
> I tried to use STARPU_COMMUTE with MPI but the option gives an error when 
> building MPI task.
> Indeed it does not appear in the test "if (arg_type==STARPU_R || 
> arg_type==STARPU_W || arg_type==STARPU_RW || arg_type==STARPU_SCRATCH || 
> arg_type==STARPU_REDUX" in starpu_mpi_task_insert.c
> Is this the only thing missing or is it more complicated ?

On the top of my head I think it's a matter of testing against
arg_type & ~STARPU_COMMUTE to get it working at least. Getting it
optimized is probably another question, could you show us your use case?

Samuel