Rohit Farmer wrote:
Hi there,

I am trying to run REMD using the following command

 mdrun_mpi -s run_.tpr -multi 8 -replex 100

and i am getting the following error

Fatal error:
The number of nodes (1) is not a multiple of the number of simulations (8)

i tried using -np option to give the number of nodes but it is also not working.


The mdrun_mpi -np option is not used; the parallel job needs to be initiated via mpirun, e.g.:

mpirun -np 8 mdrun_mpi ...

Otherwise, install Gromacs yourself to make use of threading rather than MPI.

-Justin

--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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