[Users] Compiling Einstein Toolkit

[Steven Brandt]

Lawrence,

Does ./exe/cactus_sim exist? If not, then something went wrong with your 
build.

--Steve

On 6/1/2024 5:22 PM, Edmond, Lawrence wrote:
> Hello,
>
> I am Lawrence Edmond, IV, a rising third-year PhD student at Brown 
> University in the physics department. I am interested in using 
> EinsteinToolkit to simulate black holes with accretion disks for 
> cosmo/dark matter research.
>
> I am following along with the Wiki 
> <https://einsteintoolkit.org/download.html> and the JupyterNotebook 
> <https://github.com/einsteintoolkit/jupyter-et/blob/master/tutorial-server/notebooks/CactusTutorial.ipynb> on 
> git to compile and run the first "HelloWorld" Thorn before attempting 
> to write my own. Following along with the notebook. I am able to 
> compile EinsteinToolkit via the following bash command:
> ./simfactory/bin/simbuild-j4--thornlist../einsteintoolkit.th  <http://einsteintoolkit.th>
> which differs from the notebook by the location of the 
> "einsteintoolkit.th <http://einsteintoolkit.th>" thorn. This is able 
> to compile without errors however, when I try to run the following 
> command to create and execute the "HelloWorld" thorn,
> ./simfactory/bin/simcreate-runhelloworld\
> --parfilearrangements/CactusExamples/HelloWorld/par/HelloWorld.par
> I get an error message saying that the executable cannot be found or 
> was not created (see below for a copy of the output).
>
> [ledmond at login010 Cactus]$ ./simfactory/bin/sim create-run helloworld \
>     --parfile arrangements/CactusExamples/HelloWorld/par/HelloWorld.par
> Warning: Current Working directory does not match Cactus sourcetree, 
> changing to /users/ledmond/EinsteinToolkit/Cactus
> Parameter file: 
> /oscar/home/ledmond/EinsteinToolkit/Cactus/arrangements/CactusExamples/HelloWorld/par/HelloWorld.par
> Error: Executable /users/ledmond/EinsteinToolkit/Cactus/exe/cactus_sim 
> for configuration sim does not exist or is not readable
> Aborting Simfactory.
>
> I believe the issue is that the procedure is looking for the 
> executable file, and the associated folder to hold all created 
> executables is being created using a path that cannot be accessed on 
> my cluster. That being said, is there a way to manually change the 
> path for the exe/ directory that is created by Simfactory?
>
> Thank you in advance for any help you may offer. Please do not 
> hesitate to contact me if you need any more information or further 
> clarification to address this compilation issue.
>
> -- 
> /Best Regards, /
> /Lawrence Edmond, IV
> /
> /Class of 2026
> /
> /
> /
>
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