[gmx-users] Re: scaling issues in GROMACS

Erik Lindahl lindahl at csb.stanford.edu
Thu Oct 16 05:35:01 CEST 2003


> 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.



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