Hi Dick,
Jeff paraphrased an unnamed source as suggesting that: "any MPI
program that relies on a barrier for correctness is an incorrect MPI
application." . That is probably too strong.
How about this assertion?
*If there are no wildcard receives - every MPI_Barrier call is
semantically i
Please let me go over it again, and maybe it helps clarifying things a bit
better. All the OS involved are Suse 10.3.
I have a place for the the installed programs, say /programs.
In /programs I have installed openmpi and my mpi program, say my_mpi_program.
When I am in the working directory,
Jeff paraphrased an unnamed source as suggesting that: "any MPI program
that relies on a barrier for correctness is an incorrect MPI application."
. That is probably too strong.
How about this assertion?
If there are no wildcard receives - every MPI_Barrier call is semantically
irrelevant.
It
I once had a crash in libpthread something like the one below. The
very un-obvious cause was a stack overflow on subroutine entry - large
automatic array.
HTH,
Douglas.
On Wed, Mar 04, 2009 at 03:04:20PM -0500, Jeff Squyres wrote:
> On Feb 27, 2009, at 1:56 PM, Mahmoud Payami wrote:
>
> >I am u
On 5 Mar 2009, at 15:25, Jeff Squyres wrote:
I don't remember who originally said it, but I've repeated the
statement: any MPI program that relies on a barrier for correctness is
an incorrect MPI application.
I'm not 100% sure this holds although it's a good rule of thumb, I've
certainly wri
