Rob,
Well, if I understand what you are saying, maybe my concerns about
sub-optimality are unfounded. Yes, the 'buffer' array is contiguous in
memory for each subdomain, and that is what the successful call to
'mpi_file_read_at_all' sees. The call to 'mpi_type_indexed' creates my
'datatype' and
On 07/20/2014 04:23 PM, Tom Rosmond wrote:
Hello,
For several years I have successfully used MPIIO in a Fortran global
atmospheric ensemble data assimilation system. However, I always
wondered if I was fully exploiting the power of MPIIO, specifically by
using derived data types to better
Hello,
For several years I have successfully used MPIIO in a Fortran global
atmospheric ensemble data assimilation system. However, I always
wondered if I was fully exploiting the power of MPIIO, specifically by
using derived data types to better describe memory and file data
layouts. All of my