strerror

[michael bane]

On Wed, 2007-06-20 at 12:48 -0500, Wei-keng Liao wrote:
> Your val array passed in nfmpi_put_vara_double() should contain 51,52,...
> for myPE == 1. This array will be used from index 1, 2, 3 ...
> 

(This top posting is making this hard to read!)

If my val array is val(i)=i, for i=1,100
and PE#0 has start=1, count=50
and PE#1 has start=51, count=50
then I do not follow why PE#1 is even looking at val(j) j=1,2,3...
Surely it should print val(k), k=51,52,...


> 
> 
> On Wed, 20 Jun 2007, michael bane wrote:
> 
> > On Wed, 2007-06-20 at 10:30 -0500, Wei-keng Liao wrote:
> >> The default I/O mode for pnetcdf is collective, to switch to independent
> >> mode, wrap the indep I/O calls by
> >>          stat = nfmpi_begin_indep_data(ncfileID)   and
> >>          stat = nfmpi_end_indep_data(ncfileID)
> >
> > thanks!
> >
> >> I don't know the answer to the error messages between F77 and F90.
> >> I also wonder if they are defined the same in NetCDF (the serial version).
> >
> > f77 and f90 seem the same for those error msgs I've seen (eg -35 =
> > 'netCDF file exists && NC_NOCLOBBER')
> >
> > But returning to my example (full main Fortran s/prog unit below), I
> > can't see why I'm not getting series 1,2,..,100 in the output file 
> (last
> > part of the code, the /tmp/newFile_p2.ncf o/p file), but rather on 2 PEs
> > both processes seem to be writing 1,2,..50 so I'm guessing I'm missing
> > something (my impression was that each PE would write val(start),
> > val(start+1) for its local value of start)
> >
> > also attached is /tmp/out which is output from
> > ~/Fortran/MPI/parallel_netCDF$ rm /tmp/new*ncf && prun -B3 -l "%m%n:
> > rank %g: " -n 2 -p login ./speed_1d_f90  > /tmp/out 2>&1
> >
> > cheers, michael
> > ---
> >
>