2023 03 13 Open NEST Developer Video Conference

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Agenda

1. Welcome
   • 🎉 NEST 3.4 released 🎉
     • communication of release will be done in the next days
   • 🎉 NESTML 5.2.0 released 🎉
   • 🎉 NEST Desktop 3.2 released 🎉
2. Review of NEST User Mailing List
3. Project team round
4. In-depth discussion
   • Presentation of PyNN in NEST Desktop – @babsey

Mailing list

• https://nest-simulator.org/mailinglist

Project team round

Here we discuss topics that need broader attention, for example questions that came up but are outside a single project's scope, larger planned changes/PRs that affect all teams or pending work that is blocked by external factors.

1. Models / NESTML
   • 🎉 NESTML release 5.2.0 🎉
   • looking at language design considerations
     • removing the end keyword to use indentation-only model
     • discussion if input ports should have units – currently seems not.
   • many user-support questions recently
     • maybe need new keyword to integrate only specific ODEs
2. NEST GPU
   • working on NEST GPU paper
3. PyNEST
   • code with SONATA integration under testing, currently not scaling well
4. NEST Desktop
   • 🎉 NEST Desktop release 3.2 🎉 (to update for changes in NEST3.4)
   • updated to accomodate for changes in new userdict feature
   • added support for PyNN code generation
   • Snap packet prepared for Ubuntu (contains also nest-server in the package!)
5. Kernel
   • staring weekly meeting (time slot being decided)
6. Installation
   • nothing major to report
7. Infrastructure
   • nothing to report
8. Documentation
   • nothing major to report
9. EBRAINS
   • release EBRAINS-23.02 coming up

In-depth discussion

Presentation of new feature PyNN in NEST Desktop by @babsey.

• PyNN code generation requires some different units
• userdict to label nodes for external services like co-sim and neuro-robotics