2022 02 28 Open NEST Developer Video Conference

Agenda

Welcome
Review of NEST User Mailing List
Project team round
Hackathon planning
In-depth discussion
- Hackathon planning
- CNS Tutorial planning

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.

Models / NESTML
- Python standalone target to generate Python-only code for model debugging
- SpiNNaker target for NESTML started
- Implemented initial version of ODEs with delays in NESTML
- NESTML neuron parameters transferred to Python level, working on synaptic parameters
PyNEST
- creating spatial node collections with parameters being fixed
NEST Desktop
- moving from uwsgi to gunicorn #2284
- splitting create/simulate to different steps in the GUI to integrate with neurorobotics
- after next release planning to integrate NESTML
Kernel
- NEST3 comparison for high number of threads per process being investigated
- found assert() with barrier inside; corresponding debugging going on
- found high memory consumption during node creation in case of many threads with many neuron models, #2316
Installation
- some issues planned for Hackathon
Infrastructure
- nothing to report
Documentation
- documentation for recently merged multi-compartment models under review #2213
EBRAINS
- deployment on HPC using Spack
(Feature) Automated Testing
- nothing to report
(Feature) Extension Module System
- merged first batch of changes
- discussion about current implementation of secondary event infrastructure ongoing, meetings for clarification planned
- a lot of cleanup and refactoring done, but still things need an architectural look