[mpich-discuss] Shared memory segment size

Ramesh Vinayagam rvinayagam.85 at gmail.com
Mon Jul 9 19:21:59 CDT 2012


I am trying to run a program with processes creating a shared memory
segment to share information and I am using mpich2 for creating processes.
It works alright for small segment sizes, but for sizes beyond 16MB, there
is a memory allocation problem. Is there a limit on the shared memory
segment size per process in mpich2. If so is there a way to change it?

Please let me know.

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