[Users] Specifying a directory for simfactory

Roland Haas rhaas at illinois.edu
Thu Jan 19 08:02:26 CST 2017

Hello Maitraya,

there several directories involved. Typically (on a laptop, clusters are
somewhat similar) you will find output in a directory:


you can change the /home/Maitraya/simulations part by adding a


option to simfactory/etc/defs.local.ini in the section for your laptop
(or cluster), eg if 

simfactory/bin/sim whomai 

reports "maitrayaslaptop" then you'd ad

basedir = /home/Maitraya/my-simulations

fr the static_tov part you have to edit the par file (static_tov.par)
and look for its out_dir setting which currently likely reads:

ioutil::out_dir = $parfile

(or similar). This causes all output to go into a directory of the same
name as the parameter file (without the .par extension). You can change
this to anything you like eg:

ioutil::out_dir = "stationary tov star"

if you so desire (though spaces are usually a bad idea).

There some very rudimentary documentation that you can find here:


though I could not find any explanation of basedir in it unfortunately.


> Dear all,
> I was running the TOV simulation (
> https://docs.einsteintoolkit.org/et-docs/Simplified_Tutorial_for_New_Users).
> While running these two commands:
> ./simfactory/bin/sim submit static_tov
> --parfile=par/static_tov_small.par --procs=1 --walltime=8:0:0
>  ./simfactory/bin/sim show-output --follow static_tov
> I noticed that the simulation is created in a particular directory.
> I want to change this directory to something else. How do I change
> this command ?
> Thanks,
> Maitraya.

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