[MITgcm-support] combining multi-PE NetCDF files into a single file

[Eli Galanti]

hi Martin,

now it works! both the matlab6.5 fix and the handling of multiple processors.

thanks, Eli.

Quoting Martin Losch <mlosch at awi-bremerhaven.de>:

> Eli,
> I think I have checked in a version with a hack that handles multiple
> processors (NOT tiles) for a lat-lon (exch1 type) domain.
> You'll find it under
> utils/matlab/mnc_assembly.m
> and not in Ed's development area. This version does not have the fix
> for Matlab6.5. If you find that it  works after applying the fix, tell
> me and I'll check it in.
>
> Ed, sorry for this confusion, we now have different version of
> mnc_assembly.m in the repository, on in MITgcm and one in
> delevelopment/edhill/mnc_assembly
> I don't know what you want to do about it, but I suggest to have the
> one im MITgcm/utils/matlab  as the "reference" version.
>
> Martin
>
> On Feb 7, 2005, at 3:42 PM, Eli Galanti wrote:
>
> >
> > Ed, Martin,
> >
> > mnc_assembly works now with Matlab6.5, thanks. but... I get the same
> > problem as
> > Martin:
> >
> >> Another problem:
> >> For my output mnc_assembly does not assemble anything, but writes only
> >> one tile to the output file. I don't know why this is, but I suspect
> >> is
> >> has to do with the bi,bj's in my netcdf files:
> >> they are all 1. Ed, I don't know whether I have this because don't use
> >> the latest version of the code (haven't tried it, yet), or because
> >> bi,bj=1 if you use only 1 tile per processor? Your examples all have
> >> nPx=nPy=1 and nSx,nSy>1, whereas I have nSx=nSy=1 and nPx,nPy>1
> >
> > I tried to bypass it by making mnc_assebly use nPx,nPy instead of
> > bi,bj but
> > compined file didn't look very nice...
> >
> > thanks, Eli.
> >
> > --
> > Dr. Eli Galanti
> > Department of Geophysics and Planetary Sciences
> > Tel-Aviv University, Ramat Aviv 69978, Israel.
> > Tel:  972-3-6408274   Fax:  972-3-6409282
> > E-mail: galanti at tau.ac.il
> >
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-- 
Dr. Eli Galanti
Department of Geophysics and Planetary Sciences
Tel-Aviv University, Ramat Aviv 69978, Israel.
Tel:  972-3-6408274   Fax:  972-3-6409282
E-mail: galanti at tau.ac.il

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