Re: [ESPResSo] mpi

[Christoph Junghans]

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

Cheers,

Christoph

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.
>
>
>
> Martina
>
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