[Users] meeting minutes for 2023-07-13

[Roland Haas]

Present: Roland, Steve, Yosef, Leo, Sam, Zach

thorns proposed for inclusion
=============================

* no updates

Subcyling in CarpetX
====================

* Yosef and Allen find very slow speeds for BBH simulations 
* Alexandru Dima and Helvi are finding that comparing Lean_public and
  Lean_public in CarpetX that subcycling is responsible for the
  majority of slowdown (factor of 6 or so)
* Roland suggests to use that as 

Subscribe to NR community call
==============================

* no objections

Users mailing list moderation
=============================

* currently Peter is the only person moderating
  users at einsteintoolkit.org
* also handles subscription requests
* Yosef suggested adding more persons as moderators and add it to the
  ET call agenda
* had some discussion on how to try and improve this process

Unanswered emails
=================

*
  https://lists.einsteintoolkit.org/pipermail/users/2023-July/008978.html
  Roland will respond

Tickets
=======

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2669/math-is-not-rendered-correctly-in-online
  Zach suggests to also provide PDF as fallback on the website

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2647/incorrect-weno-coefficient-in-grhydro-wenohttps://bitbucket.org/einsteintoolkit/tickets/issues/2647/incorrect-weno-coefficient-in-grhydro-weno
  Roland to check what existing reconstruction methods in GRhydro are
  actually doing (interpol or reconstruct)

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2739/change-admmacros-spatial_order-to-grhydro
  needs review, code from 2022 and review request from April 2023

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2526/mclachlan-has-incorrect-read-declarations
  needs some internal Kranc knowledge, volunteer needed

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2653/carpet-presync-triggering-syncs-for-all
  had some discussion on where checks for "already valid" happen in
  Carpet & Presync. Sam did observe that the changes proposed sped
  things up. Should be re-investigated to see if this still applies. 

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/2637/update-cactus-copyright-file-to-lgpl
  needs review, mostly finishes up a prior change to README files

*
  https://bitbucket.org/einsteintoolkit/tickets/issues/963/improve-mclachlan-accuracy
  discussion is going on between Peter and Zach where Zach proposes a
  better and more effective solution to the issue. Hope to revisit this
  after summer.

Chair 2 weeks from now: Steve
Minute take 2 weeks from now: Yosef

Yours,
Roland

-- 
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