On Wed, Dec 12, 2001 at 05:46:26PM +0000, Mathew Benson wrote:
>
> I had linpack running just fine with MPICH. When I switched to
> LAM/MPI and recompiled linpack, it thinks that there is only one node
> online. I've traced it down to the MPI_Size function. My own
Do you mean MPI_Comm_size and by node do you mean process or machine?
> programs run fine. But apparently, the MPI_Size function in linpack
> is returning 1. I'm going to post this message on the linpack mailing
> list, assuming there is one, but if anybody here knows whats going on,
> help would be much appreciated. At this point, I'm not sure if its a
> linpack or LAM/MPI problem.
>
> Mathew Benson
You may already have done this but make sure that *all* code is recompiled
for LAM. Mixing objects/libs compiled against the MPICH headers with
objects/libs compiled against LAM headers can lead to problems.
-nick
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