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CASA/JIVE VLBI Coordination Meeting
2021 Jul 7 @ 1400UTC
Future Meeting dates (usually last Wed of the month):
2021 Jul 28? @ 1400 UTC (entering vacation season...)
2021 Aug 25
General Status w.r.t. Coronavirus measures
NRAO in North America rapidly accelerating back-to-work@work! Full vaccination required by Sep 1.
ALMA entering "Baseline Science Operations" as of July 8, w/ 120 people on-site at OSF/AOS.
Science/computing staff continuing work-at-home for now?
CASA Release Schedule
CASA 6.3: "Bug-fix" release in test/validation
Tickets must be in test ASAP.
(CASA 6.2.1: ALMA-specific (PL) bug-fixes ~August)
CASA 6.3.1: Long-lived integration branch for pipeines
CASA 6.4: ~End of year
Rolling 6.4.x minor releases to folllow ~monthly, to maintain development momentum and distribute testing effort over time.
Release version OS/python matrix
2020 May 07 document
VLBA Costing/Prioritization (2020 May 21)
Updated requirements document (2021 July 02)
(George) Need to coordinate with Jen/Justin better....
(Ryan) CNGI/ngCASA Status?
Demo 'release' of
(Ryan) Delayed by managing a very large dataset for benchmarking, also cluster upgrade, more recent hardware and A/C failures, etc.
(Mark) Anything to report in VLBI context?
FYI: CNGI Development
(Des) fringefit memo complete?
(Ryan) Revised CASA Management Plan status?
via vmware (from Ville)
Meetings/workshops of relevance
VLBI Integration Branch: CAS-13295
CASA 6.3+6.4 prioritization
Ongoing maintenance/development CASA 6.3/6.4
JIRA (VLBI) Status
Nearly ready for validation/merge-to-master for 6.3 (waiting for 5.8/6.2 branching)
(Des, CAS-13224?) memory management improvements in fringefit.
(Validating; already essentially validated by Janssen?)
(Mark, CAS-13270) Handle NaNs in imported Tsys.
(Mark, CAS-8550) Pulsar-binned and single-IF import.
(Mark, CAS-13383) Mixed polarization basis conversion for JIVE
Ongoing for 6.3+6.4
(George, CAS-12735; 12765,12553; 12954,10276) Frequency meta-info
(finalizing commits for 6.3)
(Mark, CAS-13266) Per-scan interpolation via overloading per-obs mechanism.
Code review has uncovered a few (minor?) issues; will try to finalize this week.
(Mark) error messages and optimization?
(Mark, CAS-13466) AveragingTvi2 preavg opt-out for fringefit:
Validated, ready for PR.
(CAS-13287 chunking error in AveragingTvi2 for certain conditions; under separate investigation)
(Neal, CAS-13005) Handle refant exhaustion better.
Validated, awaiting PR.
(Mark, CAS-13473) (new) Permit smoothcal for accor solutions:
(Des, CAS-13056) Overlapping solution intervals
(defer to 6.3.1/6.4...)
Initial implementation awaiting review by George
Underway for 6.3+6.4
(Des, CAS-13361) Polarization combination for fringefit.
(defer to 6.3.1/6.4...)
No code to review yet. Des/George converging on approach via a TVI layer (cf frequency averaging)
(Mark, CAS-13003). EOP update (6.4).
Investigating using almacalc with Python interface.
(Mark/Des) Using external storage managers (DysCo) with CASA 6. (
). Prospects for adding to casacore?
Andre Offringa is planning to merge this into casacore.
CAS-12485: OTF weight munging for solve (Can we complete validation and deploy? Des seeking interested users at JIVE)
(George/Justin) to coordinate initial testing on CASR-463 (TEC) to better characterize basic requirements (also CAS-13040 re TEC retrieval changes)
2021-07-06 - 08:42
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