I run LAMMPS in parallel job through the command "mpiexec -n ./lmp_serial< in.**."<div>I chose the Makefile for serial.Maybe I should chose other Makefiles for proper platform.<br><br><div class="gmail_quote">
2012/9/24 Reuti <span dir="ltr"><<a href="mailto:reuti@staff.uni-marburg.de" target="_blank">reuti@staff.uni-marburg.de</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Am 24.09.2012 um 07:47 schrieb Z.Y.Qiu:<br>
<div><div class="h5"><br>
> Hi, everyone. I link mpich2-1.3.1 installed under my own directory on a Linux service to LAMMPS.<br>
> I run my LAMMPS task in parallel by a PBS script. In LAMMPS log file, "2 by 2 by 2 MPI proces-<br>
> sor grid" is output which means it run in parallel. But the speed has no change, comparing to that<br>
> in serial way. Thank u for your time and appreciating any help.<br>
<br>
</div></div>Did you follow the instructions on the LAMMPS website how to invoke a parallel job?<br>
<br>
-- Reuti<br>
<br>
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