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Today's Topics:
1. Today: NR community call at 9am Pacific / noon NYC / 5pm
London / 6pm Berlin (Nils Vu)
2. Einstein Toolkit Meeting Reminder (rhaas@illinois.edu)
3. meeting minutes for 2023-09-28 (Roland Haas)
4. thorn Extract (Tomas Andrade)
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Message: 1
Date: Mon, 11 Sep 2023 07:51:34 -0700
From: Nils Vu <nils.vu@black-holes.org>
To: nr-community-call@black-holes.org
Subject: [Users] Today: NR community call at 9am Pacific / noon NYC /
5pm London / 6pm Berlin
Message-ID: <42ED8340-ED86-442E-9231-591AF9B2B619@black-holes.org>
Content-Type: text/plain; charset="utf-8"
??Dear Numerical Relativists,
We?ll have our NR community call today, Monday Sep 11, 9am LA / noon NYC / 5pm London / 6pm Berlin in this Zoom room:
https://caltech.zoom.us/j/87114806411
Our speakers today will be Deborah Ferguson (UT Austin / UIUC) and Jaime Redondo Yuste (NBI).
- Feel free to circulate this information within the NR community.
- Please subscribe to our mailing list <https://groups.google.com/u/1/a/black-holes.org/g/nr-community-call/> to receive info on the community calls in the future (or send a short message to nr-community-call+subscribe@black-holes.org <mailto:nr-community-call+subscribe@black-holes.org> to subscribe) and join our Slack <https://join.slack.com/t/generalrelativity/shared_invite/zt-dl4gqb6v-aAuw~post8OOMGCS2i~VkA> for discussions (channel: #nr-community-call <https://generalrelativity.slack.com/archives/C021LLTLK37>).
- Please sign up for a slot <https://docs.google.com/forms/d/e/1FAIpQLSfoCnnCJve7J7Jzrpdlqw7nAbwWS_iuX_evuTiajI-m9nstKA/viewform?usp=sf_link> in the schedule to speak at one of the community calls: https://github.com/sxs-collaboration/nr-community-call/wiki
Looking forward to seeing you all later,
Nils
?
Nils Vu, Ph.D. (he/him)
Sherman Fairchild Postdoctoral Fellow in Theoretical Astrophysics
California Institute of Technology
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Message: 2
Date: Wed, 27 Sep 2023 17:15:01 -0500
From: rhaas@illinois.edu
To: users@einsteintoolkit.org
Subject: [Users] Einstein Toolkit Meeting Reminder
Message-ID: <E1qlco9-0000000031E-3Jfv@ekohaes8>
Content-Type: text/plain; charset="ANSI_X3.4-1968"
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.
https://docs.einsteintoolkit.org/et-docs/Main_Page#Weekly_Users_Call
--The Maintainers
------------------------------
Message: 3
Date: Thu, 28 Sep 2023 14:39:51 -0400
From: Roland Haas <rhaas@illinois.edu>
To: <users@einsteintoolkit.org>
Subject: [Users] meeting minutes for 2023-09-28
Message-ID: <20230928143951.18a092d1@fdea4908.spdns.org>
Content-Type: text/plain; charset="us-ascii"
Present: Roland, Steve, Peter, Leo, Sam, Zach
New thorns in release:
* deadline for review is Oct 11th
* Sam and Roland added mising GRHayL thorns to autoamted tests
SGRID importer:
* Sam eventually heard back from authors
* tried out provided thorn, fails since it is missing SGRID itself
* Roland mentioned new ExternalLibraries-SGRID thorn
GRHayL MHD thorns:
* Zach is looking will need some spare seconds
CarpetX review:
* Steve looked at some of the code, not much progress yet
ET release name:
* possible options are listed on
https://docs.einsteintoolkit.org/et-docs/Release_Details#Release_names
* suggested name: Lise Meitner
Unanswered questions:
* no new emails
Open tickets:
* no new non-release related tickets
* icpc 19 cannot compile AMReX
https://bitbucket.org/einsteintoolkit/tickets/issues/2758 Roland
reports that this is still happening and a workaround may be possible
but large. Liwei has tried a modern OneAPI based Intel compiler
(clang based) on Fronterra and seems to have had success
* Peter and Zach will interface about
https://bitbucket.org/einsteintoolkit/tickets/issues/963 improved ML
accuracy
* no progress on
https://bitbucket.org/einsteintoolkit/tickets/issues/2647/incorrect-weno-coefficient-in-grhydro-weno
chair next week: Peter
minutes next week: Leo
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://keys.gnupg.net.
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Message: 4
Date: Mon, 2 Oct 2023 12:49:59 +0200
From: Tomas Andrade <tandrade@icc.ub.edu>
To: users@einsteintoolkit.org
Subject: [Users] thorn Extract
Message-ID:
<CAGYG7Sj--3zbWKN87F-P0a2tDPto9zZDd=YiRLs8jQ9=euECSA@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi all,
I'm trying to use the thorn Extract, but I'm encountering an issue with
prolongation in Carpet.
I can use it successfully (i.e. getting the output files .ul, .tl) with the
provided test parfile in
repos/einsteinanalysis/Extract/test/qc0-mclachlan.par
However this has
CarpetRegrid2::num_levels_1 = 1
CarpetRegrid2::num_levels_2 = 1
which is not very useful. If I try to increase the levels to say
CarpetRegrid2::num_levels_1 = 2
CarpetRegrid2::num_levels_2 = 2
I get the error
ERROR from host lhcb02.icc.ub.edu process 0
while executing schedule bin CCTK_POSTSTEP, routine Extract::Extract
in thorn CarpetLib, file
/home/tandrade/Cactus/configs/sim/build/CarpetLib/ggf.cc:376:
* -> The variable "EXTRACT::temp3d" has only 1 active time levels, which
is not enough for boundary prolongation of order 2 *
Similarly, if I activate the thorn and request the output using other
parfiles for binary black holes, I get a similar warning (not error) and
the code produces no output.
any advice?
thank you!
Tomas
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