2025.02.06 Meeting Notes

Tentative agenda

• Individual/group updates
• Coalesced buffer comms
• Review non-WIP PRs

Update

PM

• fixed artifact@v3 deprecation issue

BP

• semi-analytic charged particle scheme for PIC in planning by collab
• could be package
• derailed discussion:
  • some sort of name registry for common fields that mutliple packages/downstream codes could enroll/be informed by
  • also useful for outputs/interface to postprocessing code

LR

• back in business

AR

• settling in

FG

• still looking at register usage in unified abstractions
• LR suggest to removed start and end indices of indices (which are technically not required as info is available from N#s

PG

• secured funding for 3 more years
• IO issues on Frontier in Jan were system related and not Parthenon related
• still fighting bugs (performance degradation and multi level artifacts)

Coalesced buffer comms

• LR will check with JM to see whether it now works with riot
• Once this is fixed, we'll merge with default remaining at legacy code

non-WIP PRs

• Fix for hidden characters in the input file #1221 PG and PDM will review
• Linear Solver Updates #1174 BP will do second review
• Another stab at more general coordinate support #1137 PDM will add second review
• FG will open PR for cyl/sph coordinates

Tentative next meeting tentatively 27 Feb