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Re: [ESPResSo] mpi

From: Christoph Junghans
Subject: Re: [ESPResSo] mpi
Date: Thu, 14 May 2009 16:40:36 +0200
User-agent: Internet Messaging Program (IMP) H3 (4.1.4)

Hallo Martina,

you need as many seeds as nodes, a tcl block like this will help:

set seed "[pid]"
set seeds {}
for {set i 0} {$i < [setmd n_nodes]} {incr i} {
   lappend seeds [expr ($i+1)*$seed]
eval t_random seed $seeds



Zitat von martina pannuzzo <address@hidden>:

dear all,

I am trying to execute parallel version of expresso (mpirun).

I have 2 pc connected via ethernet cable; in each node i installed espresso and it work fine in local.

the command line i used is:

mpirun -np 2 n0 N ./obj-Pentium_4-pc-linux/Espresso_bin packages/mbtools/examples/scripts/main.tcl packages/mbtools/examples/

the error is:

Wrong # of args (2)! Usage: 't_random seed [<seed(0)> ... <seed(1)>]'
    while executing
"t_random seed 174187078"
    ("eval" body line 1)
    invoked from within
"eval t_random seed $seedbase"
    (procedure "::mbtools::utils::init_random" line 11)
    invoked from within

can you help me?!

thank you very much.


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