[Users] Meeting Minutes 2025-10-02

[keithdow@keithdow.net keithdow@keithdow.net]

Minutes for the Einstein Toolkit Meeting, 20251002.
https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call
9am CDT Thursdays
 
Present:  Peter D, Steve B, Deborah F, Roland H, Lucas S, Nikolai W, Zach E, Keith D.
Chair: Peter D   Minutes: Keith D
 
* BBH gallery example – Peter finished his part. Zach will follow up.
 
* Github <-- Bitbucket (Cactus Code) Roland will contact the owner of the location Cactuscode on Github to see if we can obtain it to transfer CC from Bitbucket to Github.
 
* ETK has made progress in becoming part of the SPEC Benchmark. Roland and Steve.
 
* GW150914 Roland is to run again.
 
* An issue with 56 threads being specified, from Iosif. Roland will respond.
 
* Open tickets sorted   https://bitbucket.org/einsteintoolkit/tickets/issues?status=open&status=new&sort=-updated_on
 
#2866 Problem while building the ET on MN5: OpenCL
Roland “If you don’t need OpenCL I’d disable ExternalLibraries/OpenCL”
 
#2889 Outflow uses incorrect ‘sf centroid’
There is a pull request. It is ready for review. Roland.
 
#2597 Simfactory on Bridges2
 No activity. Its from 2022 so it should be closed.
 
#2888 Race condition writing properties.ini in simfactory
No activity.
 
#127 Restarts should have hard link to executable
No activity.
 
#1721 Simfactory’s test mechanism should use softlinks instead of rsync
No activity.
 
#1321 Collisions in executable cache directory
No activity.
 
#1798 add  backtrace script to cactus utils
No activity.
 
#2706 Update default TwoPunctures partameters, or at least default parameters in BBH gallery example
Zach is working on it.
 
#2886 support cell centered directions when calling Fortran scheduled functions
No activity.
 
#2874 NRPyElliptic lacks regeneration instructions
Zach is making progress.
 
#2858 SF files for MN5 (was: Compiling Carpet X: Issues with PDESolvers)
Not resolved.
 
#2882 Running BBH with CarpetX with CPUs: High memory consumption and low performance
?
 
#1847 FFTW3 fortran interface not working for system installation
?
 
#2878 CarpetX: Add multipatch output support to Silo
Waiting for review, Roland.
 
#2764 PUGH tries to free memory not allocated by malloc
Requires changes, Roland.
 
#2848 updates to FLRWSolver
No activity.
 
#963 Improve McLachlan accuracy
Peter is working on it.
 
#1370 Provide a framework for simulation metadata
?
 
#2877 ET_BHaHAHA Features Ticket
Reminder for Zach. Work in progress. Needs formal review by Peter.
 
#2855 Noise:X Improve noise generation in CarpetX
No update.
 
#2862 Update ‘SpacetimeX/Z4c’ robust stability parameter file.
Needs review.
 
#266 Peter to look at.
 
#2364 Roland to look at closing.
 
#2846 Steve to look at.
 
#2814 Lucas to look at.
 
#2179 Roland, needs review.
 
#2786 Roland did work. Steve to review.
 
New Item
 
>From Roland.
 
Volume integrals use a spherical surface.
 
The issue is complicated. Zach and Roland to discuss.
 
 
Next Meeting, Thursday, 9 October 2025.   https://docs.einsteintoolkit.org/et-docs/Meeting_agenda
 
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