2017 06 26 Open NEST Developer Video Conference

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Agenda

1. Welcome
2. Review of NEST User Mailing List
   • Random Number Generators discussion ongoing
   • Reinforcement Learning discussion ongoing
   • Save+restore of simulation state
3. Report on NEST3: Subnet and SiblingContainerRemoval
   • subnet removed in hackathon
   • SiblingContainerRemoval ongoing, going to complete soon
   • each thread has their own sparse nodes array, leading to good memory locality
   • no benchmarks yet
   • huge simplifications in the code
   • integration into topology is being worked on
   • tutorials and HowTos for new interfaces will be added
   • discussion of unnecessary #ifdef _OPENMP blocks in the code
4. Malleability of NEST code
   • ability to change resources during the runtime of NEST
   • looked at prototype implementation breaking the one-vp-per-thread concept
   • tests comparing output with same number of vp successful
   • continue with benchmarking, hpc_benchmark as reference!
   • include tools to read out cpu performance counters
5. Release planning: NEST 2.12.1 and NEST 3
   • Pull request and Issue review session planned
6. Python test framework (see #761, #677 and #762)
   • postponed to next meeting
7. Review of open Github Pull Request
   • postponed to next meeting
8. Review of open Github Issues
   • postponed to next meeting