[Users] Users Digest, Vol 163, Issue 1
Leo Rosa Werneck
leow155 at gmail.com
Thu Oct 5 09:54:56 CDT 2023
Dear Tomas,
It sounds like what is happening is that the grid function in question only has 1 time level, but multiple active refinement levels. Because of sub cycling in time, not all refinement levels will be at the same cctk_time during a simulation. Therefore, if you request, for example, output_every = 1, then the toolkit tries to perform time interpolations when outputting the data (I think). Since the grid function only has 1 time level active, the toolkit can’t do that for the interpolation method selected (likely some default parameter in the thorn), hence the error.
The easiest, and likely most useful, way to fix this is to only output data when all time levels are aligned. For example, you can achieve this by requesting to output the data on iterations that are multiple of 2^(max_refinement_levels).
Alternatively, you can look at the param.ccl file of the Extract thorn and see if there a way to change the number of active time levels.
Hope this helps!
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 at uidaho.edu <mailto:leonardo at uidaho.edu>
https://leowerneck.github.io <https://leowerneck.github.io/>
> On Oct 2, 2023, at 3:50 AM, users-request at einsteintoolkit.org wrote:
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> 1. Today: NR community call at 9am Pacific / noon NYC / 5pm
> London / 6pm Berlin (Nils Vu)
> 2. Einstein Toolkit Meeting Reminder (rhaas at illinois.edu)
> 3. meeting minutes for 2023-09-28 (Roland Haas)
> 4. thorn Extract (Tomas Andrade)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 11 Sep 2023 07:51:34 -0700
> From: Nils Vu <nils.vu at black-holes.org>
> To: nr-community-call at 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 at black-holes.org>
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> ??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.
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> - 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
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> 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 at illinois.edu
> To: users at einsteintoolkit.org
> Subject: [Users] Einstein Toolkit Meeting Reminder
> Message-ID: <E1qlco9-0000000031E-3Jfv at ekohaes8>
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> 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
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> --The Maintainers
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> ------------------------------
>
> Message: 3
> Date: Thu, 28 Sep 2023 14:39:51 -0400
> From: Roland Haas <rhaas at illinois.edu>
> To: <users at einsteintoolkit.org>
> Subject: [Users] meeting minutes for 2023-09-28
> Message-ID: <20230928143951.18a092d1 at 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
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> ------------------------------
>
> Message: 4
> Date: Mon, 2 Oct 2023 12:49:59 +0200
> From: Tomas Andrade <tandrade at icc.ub.edu>
> To: users at einsteintoolkit.org
> Subject: [Users] thorn Extract
> Message-ID:
> <CAGYG7Sj--3zbWKN87F-P0a2tDPto9zZDd=YiRLs8jQ9=euECSA at 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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