On Sat, Jun 25, 2011 at 06:54:32AM -0400, Jeff Squyres wrote:
> Rob -- can you comment on this, perchance? Is this a bug in ROMIO, or if
> not, how is one supposed to use this interface can get consistent answers in
> all MPI processes?
Maybe the problem here is that shared file pointers were
On Sat, Jun 25, 2011 at 06:54:32AM -0400, Jeff Squyres wrote:
> I'm not super-familiar with the IO portions of MPI, but I think that you
> might be running afoul of the definition of "collective." "Collective," in
> MPI terms, does *not* mean "synchronize." It just means that all functions
>
Hello,
i need help regarding a mpi program which solves the 2d heat equation. I
have rewritten the original code in my own way,
in oder to understand well the parallelization.
I will initially make it work with 4 processors (nproc=4) with a 2D domain of
100 points, that is to say 10 on the x
