[Nek5000-users] 'COMMON' block issue
nek5000-users at lists.mcs.anl.gov
nek5000-users at lists.mcs.anl.gov
Mon Oct 8 22:25:34 CDT 2018
Dear Nek users,
Currently, I am working on a simulation with a decent size (11760 * 12 elements) employing ‘lpmin = 32’. When I compile, I received an error saying: “relocation overflows omitted from the output”. I googled this error and it turned out this error comes from the ‘COMMON’ block; Static data, such as COMMON variables, and all of the code together is still limited to 2GB under any mcmodel. The suggested solution is to move the data out of a COMMON block and into a module and make the data allocatable.
The most straightforward way to avoid this would be increase the ‘lpmin’ (for example if lpmin = 64, then it works), but this does not solve this issue, which is a big constraint. I am wondering has anyone has run into this and got any experience in solving it?
Thanks a lot in advance
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