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meeting minutes for 2023-11-09
by Roland Haas 09 Nov '23

09 Nov '23

Present: Roland, Peter, Steven, Leo, Sam, Zach CarpetX failure due to non-threads safe flesh ============================================= * Cactus flesh is not thread save, but is called from multi-threaded context in CarpetX * this causes a SEGFAULT, but only during PreSyncOnly mode * ticket is https://bitbucket.org/einsteintoolkit/tickets/issues/2762 * this needs to be fixed before the release ET release ========== * SGRID test has been updated and passes on CI and local machine * Sam has drafted announcement email * Collecting authors for contributing * Peter is running tests on sunrise, most ACCESS-CI machines not yet tested * Debroah Ferguson will run BBH gallery example * Roland will poke local students * Peter ran into issues with ExternalLibraries/ADIOS and ExternalLibraries/MPI not picking up the mpicc wrapper. Roland says that ExternalLibraries/MPI is a measure or last resort, and he would avoid it unless no other option is possible Springer book ============= * Sam and Leo will look into it * Steve volunteers to contribute Running ET on Arm64 =================== * Roland reports he could successfully compile on his Arm64 box at home (TV Set-top box using Debian) * two failing tests: MemSpeed (aborts due to not recognising memory layout it seems, maybe hwloc), ML_BSSN_NewRad (numerical comparison fails) BitBucket account restrictions ============================== * resolved for einsteintoolkit and cactuscode * still in existence for Simfactory, needs action by Frank Loeffler Simfactory restructuring ======================== * Zach suggests that parts of simfactory may be split of and moved into the main build system of Cactus as a configure script or option list * currently we are lacking good directions on the website on how to compile, should be close to download page * would want to streamline download and build system for new users * Zach suggests to have requirements shown from simfactory like tool Open tickets ============ * https://bitbucket.org/einsteintoolkit/tickets/issues/2757 still needs to be fixed since it makes building fail unless Python's request is present * https://bitbucket.org/einsteintoolkit/tickets/issues/2755 Roland will accepts this bug fix Next chair: Zach Next minutes: Sam Yours, Roland -- My email is as private as my paper mail. I therefore support encrypting and signing email messages. Get my PGP key from http://pgp.mit.edu .

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Einstein Toolkit Meeting Reminder
by rhaas＠illinois.edu 08 Nov '23

08 Nov '23

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Help with Cactus Tutorial (updating fuka and building toolkit)
by Delaney Farrell 07 Nov '23

07 Nov '23

Hi, I recently was granted access to a tutorial account but am having difficulty running the Cactus tutorial notebook (account linked to this email, username dfarrell). The first cell to encounter an error runs the command ./GetComponents, which has the error: Warning: Could not update fuka. Could not stash local changes. Error message was 'error: open("codes/FUKAv1_Solvers/BBH/compile"): Permission denied fatal: Unable to process path codes/FUKAv1_Solvers/BBH/compile Cannot save the current worktree state >From there, I'm unable to build the toolkit, resulting in errors like: CST error in /home/dfarrell/Cactus/lib/sbin/CST (at 319) -> Missing thorn WVUThorns_Diagnostics/VolumeIntegrals_vacuum ------------------------------------------------------ make[1]: *** [/home/dfarrell/Cactus/lib/make/make.configuration:213: /home/dfarrell/Cactus/configs/sim/config-data/make.thornlist] Error 1 make: *** [Makefile:264: sim] Error 2 Best, Delaney

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request for assistance
by liuxiang＠hken.phys.nagoya-u.ac.jp 07 Nov '23

07 Nov '23

Dear Einstein Toolkit developers,<br/><br/>My name is Liu and I am a student from Nagoya University. I am now learning to use ET to do some simulations. This time I am trying to reproduce this one:<br/><a href="https://einsteintoolkit.org/gallery/bns/index.html">https://einsteintoolkit.org/gallery/bns/index.html</a><br/>which is a simulation of binary neutron stars.<br/><br/>During execution, I noticed this segmentation fault here when creating the simulation directory structure. (The screenshot file is attached to this email) This seems to be caused by a mismatch in memory settings. I've tried many debugging methods, but it still doesn't work.<br/><br/>Could you please help me identify the issue? I am using Ubuntu 22.04.3 and I have already built the Einstein Toolkit and run a sample simulation successfully.<br/><br/>Thank you for your sincerest help. <br/><br/>Best regards,<br/>Liu<br/><br/><br/><br/><br/><br/><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div id="imail_signature" class="ntes-signature"> <a href="https://dashi.163.com/projects/signature-manager/detail/index.html?ftlId=1&…" style="display:block;background:#fff; max-width: 400px; _width: 400px;padding:15px 0 10px 0;text-decoration: none; outline:none;-webkit-tap-highlight-color:transparent;-webkit-text-size-adjust:none !important;text-size-adjust:none !important;"> <table cellpadding="0" style='width: 100%; max-width: 100%; table-layout: fixed; border-collapse: collapse;color: #9b9ea1;font-size: 14px;line-height:1.3;-webkit-text-size-adjust:none !important;text-size-adjust:none !important;'> <tbody style="font-family: 'PingFang SC', 'Hiragino Sans GB','WenQuanYi Micro Hei', 'Microsoft Yahei', '微软雅黑', verdana !important; word-wrap:break-word; word-break:break-all;-webkit-text-size-adjust:none !important;text-size-adjust:none !important;"> <tr> <td width="38" style="padding:0; box-sizing: border-box; width: 38px;"> <img width="38" height="38" style="vertical-align:middle; width: 38px; height: 38px; border-radius:50%;" src="https://mail-online.nosdn.127.net/qiyelogo/defaultAvatar.png" /> </td> <td style='padding: 0 0 0 10px; color: #31353b;'> <div style="font-size: 16px;font-weight:bold; width:100%; white-space: nowrap; overflow:hidden;text-overflow: ellipsis;">liuxiang(a)hken.phys.nagoya-u.ac.jp</div> </td> </tr> <tr width="100%" style="font-size: 14px !important; width: 100%;"> <td colspan='2' style="padding:10px 0 0 0; font-size:14px !important; width: 100%;"> <div style="width: 100%;font-size: 14px !important;word-wrap:break-word;word-break:break-all;">邮箱：liuxiang(a)hken.phys.nagoya-u.ac.jp</div> </td> </tr> </tbody> </table> </a></div> </body> </html>

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Agenda for Thursday's Meeting
by rhaas＠illinois.edu 06 Nov '23

06 Nov '23

Please update the Wiki with agenda items for Thursday's meeting. Thanks! https://docs.einsteintoolkit.org/et-docs/meeting_agenda --The Maintainers

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meeting minutes for 2023-10-19
by Steven R. Brandt 06 Nov '23

06 Nov '23

Present: Steve, Peter, Sam, Zach, Leo Release Gallery Examples - TOV is Peter - BBH is Steve - Roland might have students for the other three? Tests - Need to be run - Clusters: Stampede2 isn't listed, and Delta and Anvil are added. - Release name: Lise Meitner https://en.wikipedia.org/wiki/Lise_Meitner - Autogenerated codes need to be regenerated, Leo will do it Mailing list moderation - Remind Roland to send Peter the password Unanswered question on the mailing list - Need answer for Enzo. Roland was going to answer? - Ticket 2749: Leo says he fixed it. - Ticket 2647: One of Zach's students is looking at that in Grail (sp) - Ticket 2609: Steve thinks he approved PR for Roland

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Meeting minutes for 2023-11-02
by Leo Rosa Werneck 02 Nov '23

02 Nov '23

Hi all, Here are the minutes for today’s meeting: Chair: Sam Minutes: Leo Present: Peter, Sam, Roland, Steve, Zach, Leo, Agnesh Pandey * ET release - Release name already decided - Gallery example runners o BNS: Steve o BBH: Debrah? Roland will ask o TOV: Peter o Scalar wave: pending - Sam will try to compile on Deep Bayou to make sure everything is working with GPUs (CarpetX) o Some of the GRHayL thorns are failing even on CPUs; Sam will look into it - Further compilations test are running at the moment * ET testing - Deep Bayou: Steve, SuperMIC - Sunrise: Peter - Frontera: Leo * Contributing to Springer book - Roland shared more information with those involved; no other news * Unanswered questions on the mailing list - Roland will respond to the user having issues on Macs and Expanse * Zach asked: was the toolkit compiled on arm64 CPUs? Yes, you should be able to compile it on Raspberry Pis. Zach is trying to compile on his phone. * A user had a question about the ET no longer working on his machine, but the issue could not be resolved. He will join the meeting again next week so we can further discuss the issues they are having. * Open tickets --- * Tickets ready for review - Only 4 remain! - Work has progressing on improving McLachlin - No more progress to report Next chair: Leo Next minutes: Roland Cheers, Leo ------ Leonardo R. Werneck, Ph.D. Postdoctoral researcher Office EP 314 | Department of Physics | University of Idaho 875 Perimeter Dr. MS 0903 Moscow, ID 83844-0903, USA leonardo(a)uidaho.edu <mailto:leonardo@uidaho.edu> https://leowerneck.github.io <https://leowerneck.github.io/>

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Einstein Toolkit Meeting Reminder
by rhaas＠illinois.edu 01 Nov '23

01 Nov '23

Hello, Please consider joining the weekly Einstein Toolkit phone call at 9:00 am US central time on Thursdays. For details on how to connect and what agenda items are to be discussed, use the link below. ** DAYLIGHT SAVING TIME WARNING ** Please note that the US / EU has already / not yet transitioned to / from daylight saving time. The phone call will be at 15:00 Central EU time. https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call --The Maintainers

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Agenda for Thursday's Meeting
by rhaas＠illinois.edu 30 Oct '23

30 Oct '23

Please update the Wiki with agenda items for Thursday's meeting. Thanks! https://docs.einsteintoolkit.org/et-docs/meeting_agenda --The Maintainers

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Help with GW150914 Black Hole simulation
by Enzo Iubini 26 Oct '23

26 Oct '23

Greetings to all. I've been having some problems running the GW150914 simulation. When following the tutorial on " https://einsteintoolkit.org/gallery/bbh/cr.html " , I run into problems when running the parfile, specifically when running simfactory/bin/sim create-submit GW150914_28 --define N 28 --parfile par/GW150914/GW150914.rpar --procs 128 --walltime 24:00:00 This leads to the error Parameter file: /home/enzo/Cactus/par/GW150914/GW150914.rpar Skeleton Created Job directory: "/home/enzo/simulations/GW150914_28" Executable: "/home/enzo/Cactus/exe/cactus_sim" Option list: "/home/enzo/simulations/GW150914_28/SIMFACTORY/cfg/OptionList" Submit script: "/home/enzo/simulations/GW150914_28/SIMFACTORY/run/SubmitScript" Run script: "/home/enzo/simulations/GW150914_28/SIMFACTORY/run/RunScript" Parameter file: "/home/enzo/simulations/GW150914_28/SIMFACTORY/par/GW150914.rpar" Assigned restart id: 0 Error: Too many nodes specified: nodes=16 (maxnodes is 1) Aborting Simfactory. I am inclined to believe this is because I am running it on my own laptop, but I would nonetheless like to know exactly what does that error mean and if I can fix it somehow. I would really appreciate your help, thank you :) Best regards, Enzo

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