Present: Roland H., Steve B., Peter D., Maria H., Miguel G, Kenneth S., Bill G., Zach E, Karima S., Atul K.
Chair: Steve Minutes: Atul SPEC benchmark contribution task <https://bitbucket.org/einsteintoolkit/tickets/issues/2470> [RH, SB] Roland: Making progress. We now have a version of ET with a single makefile. We don't have CCZ4. Need to send it back to Nvidia for GPU support. Steve : We need a better test system. Last time all results and answers were 0. Need different tests because code got sped up a lot by Nvidia people. Roland : Provide analytic solutions ? Steve : Or put a non-zero ID, and check if the output doesn't change. Steve : SPEC asking for two separate paperwork submissions for Cactus and ET. Maria : Cactus has been used to simulate seismic winds ten years ago. [Implying it is different from ET] Today is the deadline for proposals. Simfactory usage survey [RH] ( http://lists.einsteintoolkit.org/pipermail/users/2021-January/007754.html) Results so far - PDF <https://docs.einsteintoolkit.org/et-docs/images/d/d2/Simulation_Factory_user_survey_2021.pdf> online HTML <https://docs.google.com/forms/d/1EMXtmrsk6d-lnOePQG3sVcfA2cPbxLgKJ2gnqm1IepQ/viewanalytics> https://docs.google.com/forms/d/1EMXtmrsk6d-lnOePQG3sVcfA2cPbxLgKJ2gnqm1IepQ/viewanalytics Roland : 25 respondents so far - Users are mostly (~ 50%) senior people (professors, researchers and post-docs) with about 10 years of experience that have been contributing to ET. - More than 50% users are involved in more than 10 production level simulations. [higher than expected] - Changes in SimFactory files are very frequent. - Submit scripts are being changed, which implies that that file needs to be investigated. - Bugs in SimFactory : 56% users never found/reported a bug. 76% of users never fixed bugs. - Sub-commands are you aware of or have used? - list-archived-simulations command does not work. [was expected to have 0 users.] Steve : Which of these commands can be removed? Roland : Suggests get-output-dir. A few others could be combined like list-conf with list-configurations, and list-sub with list-simulations. Not many people are using optimise, and some other commands. Steve : filled an earlier test survey, not the current one. Roland : Need to see if older experienced people are the only ones fixing the bugs. Steve : Seems most people are using SimFactory. Roland : Although people not using SimFactory are unlikely to participate in the survey. Upcoming Release --- https://docs.einsteintoolkit.org/et-docs/Release_Details Zach : Reviewers for a few proposed thorns needed. POWER (python script) ( https://bitbucket.org/einsteintoolkit/tickets/issues/2413/include-power-code-to-extrapolate) has Maria H as reviewer. No update for con2prim. SelfForce 1D will be major, if done [Peter D]. Feature freeze is potentially on 14th May. Python 3 simfactory - Steve : not going to have it done soon. There are pieces of it that dont work. Maybe put it in as beta? Putting it in master means it gets checked in different clusters by people before release. And if it doesn’t work we revert one version for release. Zach : MaxwellVacuum and MaxwellVacuumID thorns don't have reviewers. These are very pedagogical thorns. Is being used by Baumgarte and Shapiro (who are publishing a related book http://lists.einsteintoolkit.org/pipermail/users/2021-February/007804.html) for showing differences in ADM and BSSN formalisms to students. Roland : one can use the include command like in http://einsteintoolkit.org/gallery/bns/nsnstohmns.th to add a few more thorns to the original einsteintoolkit.th thornlist. Steve : Simfactory needs a test suite before adding Python 3 SimFactory. Zach : POWER definitely looks good to go to Master repo. Roland : It only needs better documentation, regression tests and comparisons with SimulationTools - Mathematica (https://simulationtools.org/ ). Zach : Canuda needs reviewers. Zach : This release is likely going to be mostly patches to existing thorns, and POWER. Maria : Does POWER integrate Psi4 ? Roland : It takes MultiPole-Psi4 and extrapolates to Scri+ for each (l,m) mode. Does not add up all modes. Unanswered questions on email: Science Gateway for the ET Steve: Looking for people’s opinions and thoughts. [ https://bitbucket.org/einsteintoolkit/tickets/issues?status=open&status=new&sort=-updated_on open tickets sorted by update time] None [ https://bitbucket.org/einsteintoolkit/tickets/issues?status=new&status=open&sort=-updated_on&q=Please%20review tickets ready for review] None Future call Chairs and Minute takers 4 March : Chair Peter D., Minutes Bill G. 11 March : Chair Maria H., Minutes Miguel G. ------------------------------------- End of Call ------------------------------------- Atul Kedia Physics PhD student, University of Notre Dame.
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