2021 01 18 Open NEST Developer Video Conference

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Agenda

1. Welcome
2. Review of NEST User Mailing List
3. Project team round
4. In-depth discussion
   • t.b.a.

Mailing list

• https://nest-simulator.org/mailinglist
• all mails handled

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
   • PR #1849 still failing the MacOS test (Error ~15min) -> pull master
   • Mystery of Jonke synapse on PizDaint #1885
2. PyNEST
   • nothing major to report
3. Kernel
   • timers PR is ready for review
   • will move forward with communication buffers PRs #1338, #1380 -> need reviewer and bring to hackathon
4. Installation
   • nothing major to report
   • working on combined requirements
5. Infrastructure
   • Travis still working
   • GitHub actions work for MacOS builds, will go for matrix build
6. Documentation
   • investigating automatic dependency listing
   • reviewing connection management updates
   • doc build system reviewed (changed to use conda env on RTD)
     • need to document make targets to distinguish install, install-nodoc, install-exec, html, …
     • need to discuss make target names
7. EBRAINS
   • no support requests
   • https://stackoverflow.com/questions/65712081/multi-threading-problem-for-nest-simulator
8. (Feature) Random number generation
   • no updates yet
9. (Feature) Automated Testing
   • no major updates yet
10. (Feature) Extension Module System
    • no major updates yet, initial steps showed no major problems

In-depth discussion

NeuronGPU

Updates since the presentation last year

• Installation on HPC systems is ongoing
• Python 2 being dropped by most Linux distributions, caused some paths to not be set correctly
• dropping Python 2 support is being considered in favor of Python 3.6+

Hackathon

Hackathon in ~2 weeks.