[petsc-users] Unable to create >4GB sized HDF5 files on Cray XC30

[Jed Brown]

Juha Jäykkä <juhaj at iki.fi> writes:
> I decided against making the OOM point because I came to the conclusion 4 GiB 
> is not going to restrict any system where one would contemplate solving 
> problems of such size: any cluster or "true" supercomputer will have so many 
> cores / node that even a modest 1 GiB / core will give > 4 GiB total.

I was thinking of reader workflows such as visualization in which each
core might independently ask to read a small part of the file.
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