Nav Rajput wrote:
Hi

I think you can try this

grompp_mpi -f md.mdp -c 6LYZ-MD5500.gro -p 6LYZ.top -o 6LYZ-MD6000.tpr -np 16


This is wrong. As I said before (and has been stated many times across this list), as of version 4.0, the -np option has been eliminated from grompp. There is no need for it any more.

Perhaps this change should be more explicitly stated in the error message, to avoid continued confusion.

-Justin


On Mon, Aug 17, 2009 at 4:29 PM, Chih-Ying Lin <chihying2...@gmail.com <mailto:chihying2...@gmail.com>> wrote:



    Hi
    I typed the command =>

    grompp_mpi -np 16 -v -f md.mdp -c 6LYZ-MD5500.gro -p 6LYZ.top -o
    6LYZ-MD6000.tpr


    It showed =>
    Invalid command line argument: -np


    The above command works with 3.3.3 version but does not work with
    4.0.5 version.


    I was checking grompp_mpi -h and cannot know the proper command for
    compiling more than one
    nodes.


    Thank you
    Lin




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

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

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