2022.09.22 Meeting Notes

Agenda

• Individual/group updates
• Developer meeting
• Parthenon paper
• Prolong/restrict

Individual/group updates

LR

• sparse update/threshold not WIP any more -> ready for review in principle
• "new sparse advection" problem removed from this PR (to reduce size)
• few more downstream tests in RIOT before final review

BR/JD: downstream dev in Phoebus/Riot (incl BiCGStab that eventually will end up in Parthenon)

BP:

• moved to LANL and going through onboard
• there are now 3-4 KHarma developers. watch out for future developmeents

FG:

• moved to LANL
• downstream dev in AthenaPK
• would like to bring FaceCentered fields to dev meeting

PG:

• scaling data completed
• paper update basically done

Dev meeting

• most of logistics are in place
  • got a group appointment for badging at 8am on Monday
  • JD will send info to people with instructions what to bring
  • JD will also include info on travel logistics (as hotels are sparse and flights expensive/limited at the moment)
  • JD will also ask for people's GitHub username to be added to the project
• schedule (everyone is happy with it at the moment)
  • use Monday for all presentations and to organize the rest of the week
    • AthenaPK (PG)
    • Phoebus
    • Riot (JD)
    • KHarma (BP)
    • AthenaPK disks/MRI (SL)
    • AthenaK (JS, PM)

Parthenon paper

• updates almost done (only final part of intro update missing)
• PG will send updated version by tomorrow morning
• Frontier scaling data can be publicly shared now
• Everyone should review/update by Tuesday EOB, PG will resubmit afterwards

Prolong/restrict "bug"

• discovered by SL where results differ from Athena++
• Athena++ prolong/restrict prim vars (incl. using floors when required) as prolong/restrict on convserved vars may more easily result in non-physical values
• we need to address this one way or the other (metadata, fillderived hooks, ...)
• -> to be discussed during workshop