[mpich-discuss] Are there limits to MPICH2 Jobs?

[Attieh, Ibrahim]

Hello,

We are trying to run the Monte Carlo code MCNP with MPICH2.  However, we are having problems with jobs bigger than 2 gigabytes. The jobs we want to run are as big as 9 gigabytes.  We are running the jobs on a linux system with 64-bit operating system.

Are there any limits to the size of the files that MPICH2 could handle?  Are there any options that we need to set for MPICH2 to handle such large jobs?

Your help would be greatly appreciated.

Thanks,
Ibrahim Attieh

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