[mpich-discuss] a problem of using mpich2 with LAMMPS

[Reuti]

Am 24.09.2012 um 07:47 schrieb Z.Y.Qiu:

> Hi, everyone. I link mpich2-1.3.1 installed under my own directory on a Linux service to LAMMPS. 
> I run my LAMMPS task in parallel by a PBS script. In LAMMPS log file, "2 by 2 by 2 MPI proces-
> sor grid" is output which means it run in parallel. But the speed has no change, comparing to  that
> in serial way.  Thank u for your time and appreciating any help.

Did you follow the instructions on the LAMMPS website how to invoke a parallel job?

-- Reuti