[Carpetx-developers] Weekly call at 11am Thursday Eastern time

Roland Haas rhaas at mail.ubc.ca
Thu Feb 12 10:45:01 CST 2026


present: Roland, Erik, Jay, Allen, Cheng-Hsin, Freddy, Liwei, Noora,
Yosef

NuX updates
-----------

* issue with shock tube test was partially caused by initial data,
  fixed now
* Gaussian pulse advection test is now also working and shows advection
  even when run for a long time
** wavefront speed matches expected value as well
* Jay now working on light-bending test
* Allen working on homogeneous sphere test

CarpetX infrastructure
----------------------

* Allen is finding issues with DECLARE_CCTK_ARGUMENTS_CHECKED macros
  when used on GPUs
* will create a bug report in ET Trac
* Erik suggests to use DECLARE_CCTK_ARGUMENTS for now
* Yosef asked about functionality in CarpetX to compute a error
  estimate by comparing values on different refinement levels (similar
  to what is done in Dendro)


CCE
---

* updated to work with CarpetX infrastructure
* now testing and comparing

CanudaX
-------

* on track for inclusion in the ET 2026_05 "Hypatia"
* have shortlist of possible reviewers but no confirmed reviewer yet

Yours,
Roland

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