virtual action in pnetcdf

[Patrick Marsaleix]

Hello

I use pnetcdf. In my program, all the cores perform the same operations
simultaneously, for example

*status=nfmpi_put_vara_real_all(ncid,varid,start,edge,anyvar3d)*

I wish now that some cores do not perform this operation (or transforms it
as a virtual operation), but in my program this results in immobilizing the
mpi process. Is there a way to do it?

Thank you for your help
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