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Home » Eclipse Projects » Spatiotemporal Epidemiological Modeler (STEM) » Running Experiments using STEM Headless(Running Experiments using STEM Headless)
Running Experiments using STEM Headless [message #1803457] Fri, 01 March 2019 00:30 Go to next message
Anjani Ganapathy is currently offline Anjani GanapathyFriend
Messages: 1
Registered: March 2019
Junior Member
I'm trying to run a series of large experiments within STEM (containing 40+ possible scenarios) and am finding that the experiment takes a very long time to run. I've looked into STEM Headless as an alternative method of executing these experiments but have mostly found information on running scenarios.

Is there any way to run these experiments in STEM Headless? And would that noticeably speed up the amount of time that the experiments take to run?

Thank you!
Re: Running Experiments using STEM Headless [message #1804813 is a reply to message #1803457] Mon, 01 April 2019 15:41 Go to previous message
James Kaufman is currently offline James KaufmanFriend
Messages: 203
Registered: July 2009
Senior Member
Anjani,
If STEM seems to run slowly the first thing to check is the optional delay parameter in STEM Runtime Preferences - Simulation Management

    Go to >Window>Preference>STEM>Simulation Management
    From this view you can add or remove a simulation delay. The default delay is 250ms to slow STEM down for running demos.
    You can set the delay to zero or 10ms to speed STEM up
    Under SOLVERS you can tell STEM to run multi-threaded. Be careful not to tell STEM to use more thread than you machine has available core.

please see: https://wiki.eclipse.org/STEM_Map_View

Regarding running headless, please see: https://wiki.eclipse.org/STEM_Headless
The target is a scenario so if you want to run 40 different scenarios the easiest way is to write your own shell script to manage 40 headless runs.
If you really mean running one scenario but changing parameters within, then please see:
https://wiki.eclipse.org/Batch_Mode_(Running_Experiments)
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