[Users] Acesso, Reunião

Thu Feb 13 08:44:47 CST 2025

Hello Valdir Vitalino,

The regular Einstein Toolkit call is Thursdays, 9am US Central time.

https://docs.einsteintoolkit.org/et-docs/Meeting_agenda#Connection_Details

Yours,
Roland

> Olá,
> 
> Hoje haverá reunião?
> Caso sim, que horas?
> Haverá pessoas que também falam idioma português.
> 
> Valdir Vitalino
> +55 11 98923-1559
> 
> 
> Em ter., 11 de fev. de 2025 15:00, <users-request at einsteintoolkit.org>
> escreveu:
> 
> > Send Users mailing list submissions to
> >         users at einsteintoolkit.org
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> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Users digest..."
> >
> >
> > Today's Topics:
> >
> >    1. Agenda for Thursday's Meeting (rhaas at illinois.edu)
> >    2. Re: installation of ET on a cluster (IOSIF PANAGIOTIS)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Mon, 10 Feb 2025 15:18:02 -0600
> > From: rhaas at illinois.edu
> > To: users at einsteintoolkit.org
> > Subject: [Users] Agenda for Thursday's Meeting
> > Message-ID: <E1thbAI-00000001oBn-0FQr at ekohaes8.ncsa.illinois.edu>
> > Content-Type: text/plain; charset="ANSI_X3.4-1968"
> >
> > Please update the Wiki with agenda items for Thursday's meeting. Thanks!
> >
> > https://urldefense.com/v3/__https://docs.einsteintoolkit.org/et-docs/meeting_agenda__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTfZgKX_N$ 
> >
> > --The Maintainers
> >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 11 Feb 2025 12:02:36 +0000
> > From: IOSIF PANAGIOTIS <PANAGIOTIS.IOSIF at units.it>
> > To: Roland Haas <rhaas at illinois.edu>
> > Cc: "users at einsteintoolkit.org" <users at einsteintoolkit.org>
> > Subject: Re: [Users] installation of ET on a cluster
> > Message-ID:
> >         <
> > GV1P250MB08577CB34D2E4C4D4AAFBE3FF9FD2 at GV1P250MB0857.EURP250.PROD.OUTLOOK.COM  
> > >  
> >
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Dear Roland,
> >
> > thank you for gathering these links, they are indeed useful to point me in
> > the right direction.
> >
> > I also found this seminar talk by Erik Schnetter on using Spack to install
> > the ET dependencies.
> > I also copy it in this thread, so that it is grouped with the other
> > resources you gathered:
> >
> > https://urldefense.com/v3/__https://einsteintoolkit.org/seminars/2022_05_19/index.html__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTa0Re0vH$ 
> >
> > I will work my way through this material and let you know if I encounter
> > other problems.
> >
> > Best,
> > Panagiotis
> >
> >
> > ________________________________
> > From: Roland Haas
> > Sent: Friday, February 7, 2025 6:41 PM
> > To: IOSIF PANAGIOTIS
> > Cc: users at einsteintoolkit.org
> > Subject: Re: [Users] installation of ET on a cluster
> >
> > Hello Panagiotis,
> >
> > Thank you for your inquiry.
> >
> > This may help:
> >
> > https://urldefense.com/v3/__http://einsteintoolkit.org/seminars/2022_02_24/index.html__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTfy7f5Yi$ 
> >
> > https://urldefense.com/v3/__https://youtu.be/8dnOfQIk32c?feature=shared__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTV0NylUm$ 
> >
> > whose slides are:
> >
> > https://urldefense.com/v3/__https://github.com/rhaas80/2024_LSU/blob/main/CactusBuildSytemTour.ipynb__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTQJft5xj$ 
> >
> > There's also some advanced simulation factory docs here:
> >
> > https://urldefense.com/v3/__https://docs.einsteintoolkit.org/et-docs/Configuring_a_new_machine__;!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTXzN1ILP$ 
> >
> > (linked on
> > https://urldefense.com/v3/__https://docs.einsteintoolkit.org/et-docs/Main_Page*Documentation__;Iw!!DZ3fjg!7Iv7hML_ZfbbjFqmNc0dHONYZc0MLdmuQjZzmX2HDR7k5w0fdXuMomMKPN85Uyr7reuHeMv9HJk5AASEWN50KInSTd7DLoSm$ )
> >  
> > > The CactusTutorial jupyter notebook for new users does not tackle
> > > this scenario in detail. Understandably, it would be unrealistic to
> > > provide generic instructions that cover all cluster configurations.
> > > How about guidelines that cover some common scenarios though? (e.g. a
> > > cluster that organizes libraries and packages as modules and also
> > > uses the Spack manager)  
> >
> > See above. Spack is tricky and often does not work out of the box
> > unless one really builds everything from scratch. Some of the ET users
> > have experience and they may be able to provide help.
> >  
> > > Is there some documentation that gives basic guidelines as to how
> > > setup ET on a cluster aimed at a user profile that has (obviously) no
> > > previous experience with ET, simfactory etc and (quite possibly) also
> > > limited experience on how HPC clusters are setup, how packages are
> > > installed etc?  
> >
> > The recording of the seminar (and the slides therein) tries to do that.
> > I would give it a try.
> >  
> > > This request stems from the fact that I have been discovering
> > > little-by-little and through trial-and-error that e.g. running
> > > `./simfactory/bin/sim setup-silent` as outlined in the
> > > CactusTutorial,  makes no sense for the case of a cluster. In my
> > > opinion, and if I may offer a suggestion, it would be a good idea to
> > > underline this distinction in a future revision of the tutorial.  
> >
> > Unfortunately each cluster is different and often one needs specific
> > detailed workarounds. A lot of that unfortuntely comes down to
> > experience.
> >  
> > >
> > > Furthermore, another crucial step to setup ET on a cluster seems to
> > > be that the user must create "manually" their respective
> > > "<my_cluster>.cfg" and "<my_cluster>.ini" files and possibly the
> > > corresponding run and submit scripts. Could you confirm that this is
> > > indeed the case? What is the recommended course of action to do this?
> > > Maybe one should start by copying a sample ".cfg" file and amend it
> > > with information found from their cluster's technical documentation?  
> >
> > I'd start with an existing cluster that uses the same compiler / queuing
> > system. Queueing system these days should always be SLURM and one can
> > then try and see if the cluster supports the GNU compilers which should
> > make things easy.
> >
> > The only libraries that one really needs from the cluster are MPI.
> > Everything else can be built by the EinsteinToolkit if needed (by
> > setting the various FOO_DIR variable to the string BUILD).
> >  
> > > I can follow up with more specific questions about problems I
> > > encountered during my so far unsuccessful attempts to install ET on a
> > > cluster, but to avoid people having to repeat explanations already
> > > given in the past, I would like first to make sure that I am not
> > > missing some source of information/documentation already available.  
> >
> > There is no real good docs unfortunately. Even the ones that I had
> > linked above are (were, they are now) not collected in a single place.
> >  
> > > Also, in the long shot that someone has already installed ET on one
> > > of the CINECA clusters in Italy (I am trying to install ET on the
> > > Leonardo cluster), I would be grateful if you could share your
> > > insights!  
> >
> > Bruno Giacommazzo installed the ET on some of the CINECA clusters in the
> > past. I would try and reach out to him and his group at Milan. The
> > newest machine still in simfactory is marconiA3 which however is
> > already quite old. He also is subscribed to this mailing list.
> >
> > Yours,
> > Roland
> >
> > --
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-- 
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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