[mpich-discuss] MPI-IO of multidimensional arrays - issue reported by valgrind

Rob Latham robl at mcs.anl.gov
Tue Feb 23 15:09:14 CST 2010


On Tue, Feb 23, 2010 at 11:54:24AM +0000, Turlough Downes wrote:
> I'm using MPI-IO to let multiple processes write their own subarrays
> to a single file which will then contain a global array - this is
> for an astrophysical fluid dynamics simulation code which is
> parallelised using domain decomposition.  

We exchanged a few rounds of emails off-list.  Right now this appears
to be a hardware problem, but I'll follow up if we find a ROMIO issue.

==rob

-- 
Rob Latham
Mathematics and Computer Science Division
Argonne National Lab, IL USA


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