[gmx-users] Re: scaling issues in GROMACS

Dean Johnson dtj at uberh4x0r.org
Thu Oct 16 21:14:01 CEST 2003

On Wednesday, October 15, 2003, at 10:32  PM, Erik Lindahl wrote:

>> How do you turn on shared memory use for dual xeons ?
>> Sasidhar
> Under Linux, LAM-MPI should detect it automatically unless you 
> explicitly disabled it when compiling (the RPM packages support it).
> There is nothing you have to do if it is enabled - LAM will check if 
> two processes are on the same node and use shared memory communication 
> if possible.

Any idea of how this would be done with vanilla MPICH?


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