This is one of EnergyPlus' oldest annoyances. Because E+ reads
a hard-coded filename (a practice that is just sooo 1960s) you have to do
concurrent runs in separate directories. I wrote my own runscript (in
Perl) to create a temporary directory for each run and handle all the file
naming. It also gives you control over where your output files go, how
they're named, where your input and weather files are, what version of E+ you
want (assuming you've kept all the old versions), whether you want output files
compressed, and a few other conveniences. We donated the script to the E+
project some time ago but it doesn't seem to have gone anywhere. It would
require some customization, especially if you're not running under Linux.
--Todd
--
Why are sweetbreads neither sweet nor breads?
From: EnergyPlus_Support@xxxxxxxxxxxxxxx
[mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Florian
Sent: Friday, August 06, 2010 3:38 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] Running parallel batch files
Hi,
I have tried running up to four instances/simulations of EnergyPlus parallel on
my 4 CPU cores, which works quite well.
As I have over a hundred different simulations to perform, I asked myself if it
would be possible to run parallel batch simulations.
I believe it doesn't work by simply creating an *.EPG Group File, and running
EnergyPlus as the EPlus.bat only reads in in.idf and in.epw.
Is there another way to start, e.g. two parallel batch file runs?
I remember that someone in that forum was talking about a perl script which
could perform similar things.
Thanks for any help!
Best Regards,
Florian
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