[MITgcm-devel] Divided-Ajoint with recent OpenMPI

[Patrick Heimbach]

Hi Jean-Michel,

haven’t run parallel DIVA in a while, but in general what should happen is that adthe_main_loop should read/write “snapshot” files with each file having a processor ID (much like STDOUT.????). That processor ID is determined by mpif.h.

A quick check would be whether snapshot.0000 etc have in fact be written.
If not, then perhaps no parallel DIVA was executed?
But I may have gotten rusty on this and might be wrong.

p.

On Jan 28, 2016, at 7:32 PM, Jean-Michel Campin <jmc at ocean.mit.edu> wrote:

> Hi,
> 
> I tried to run the TAF-AD lab_sea test (which uses DIVA) using a recent 
> OpenMPI version (1.8.8) with gfortran 5.3.1, all with FC.23,
> but it seems that a new include was added to mpif.h:
>      include 'mpif-sizeof.h'
> which contains many reference to a module "iso_fortran_env"; 
> This generates plenty of error from TAF which does not know about this module.
> 
> The strange thing is that I can comment out this "mpif-sizeof.h" include,
> and it works fine.
> It's not very clear to me, but do we really need these lines in the_main_loop.F:
> #  ifdef ALLOW_DIVIDED_ADJOINT
> #   ifdef ALLOW_USE_MPI
> #    include "mpif.h"
> #   endif
> #  endif
> 
> Cheers,
> Jean-Michel
> 
> 
> 
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Patrick Heimbach, Ph.D. | http://heimbach.wordpress.com

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