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