Hi,

which version of Gromacs is this? Could you post the first lines of 
the md.log output file?

Carsten


On Jun 5, 2010, at 10:23 PM, lauren wrote:

> sorry my english..
> 
> I want to know how can I run  Gromancs in parallel!
> Because when I used  
> 
> mdrun &
> mpiexec -np 4 mdrun_mpi -v -deffnm em
> 
>  to run the minimization in 4 cores > all cores make the same job, again!
> They don't run together.  
> I want all in parallel make the job faster.
> 
> 
> what could be wrong?
> 
> thank's a lot!
> 
> 
> 
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