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Subject: Re: [OMPI users] pgi and gcc runtime compatability
From: David Singleton (David.Singleton_at_[hidden])
Date: 2008-12-07 22:51:36


I seem to remember Fortran logicals being represented differently in
PGI to other Fortran (1 vs -1 maybe - cant remember). Causes
grief with things like MPI_Test.

David

Brock Palen wrote:
> I did something today that I was happy worked, but I want to know if
> anyone has had problem with it.
>
> At runtime. (not compiling) would a OpenMPI built with pgi work to run
> a code that was compiled with the same version but gcc built OpenMPI ?
> I tested a few apps today after I accidentally did this and found it
> worked. They were all C/C++ apps (namd and gromacs) but what about
> fortran apps? Should we expect problems if someone does this?
>
> I am not going to encourage this, but it is more if needed.
>
>
> Brock Palen
> www.umich.edu/~brockp
> Center for Advanced Computing
> brockp_at_[hidden]
> (734)936-1985
>
>
>
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