May 2020

Time: 15.5.2020, 16:00 CEST; 10:00 EST Place: Zoom

NOTE: Please contact one of the NEURON developers for the link if you are interested to join.

Agenda

• NEURON News / Announcements (2 min)
• Introduction from "new" members (5 min)
• New neuron_nightly wheels with Azure CI : what is it? (4 min)
• A new versioning scheme for NEURON (8 min)
• Change 6.3 to 37? : What else remains to make NEURON a modern major general neural simulator? (Celsius default)
• Software Engineering of NEURON codebase (7-10 mins)
  • Practicalities & Goals
  • How / When
  • Which parts to start with : HOC/NMODL/Solver/legacy libraries
• Technical discussion on issues:
  • Sundials v 5. Very different NVector for threads and mpi. NEURON currently uses homemade implementations for these. See branch cvode3. A subbranch, idainit, is much more robust for IDA initialization but comes at a cost of an extra algebraic variable for each extracellular layer, i.e. vm = vi - ve .
  • Error handling.
• Next Release 8.0 Milestone on GitHub
• Next Meeting : Call for suggestions / presentations!

Meeting Minutes

Supporting slides

Attendees

• Michael Hines
• Robert McDougal
• Salvador Dura-Bernal
• Bill Lyton
• James King
• Pramod Kumbhar
• Omar Awile
• Fernando Pereira
• Ioannis Magkanaris
• Alessandro Cattabiani
• Wouter Klijn
• Blake Caldwell
• Nicolas Cornu
• Joe Graham

Discussion

NEURON News

Distro packaging for NEURON

Software Engineering of NEURON codebase

Technical discussion on issues

Action Items

• todo

Next meeting June 19, 2020, 16:00 CEST; 10:00 EDT