Hans Ekkehard Plesser

Review NEST Testing strategy

1

With a view to testing what we aim/claim to support, we should review our testing strategy. Some points to consider are: - How to cover different Linux Distributions and long-term...

Evaluate Python MPI testing strategy

1

We currently perform MPI-based tests under Python in two different ways - running `mpirun -np N python -m pytest ...` on the `pytest/mpi/{2,3,4}` directories (*direct approach*) - running PyNEST indirectly...

Inconsistent initialization of MUSIC input proxies

1

Of the four MUSIC input proxy models, `music_{event,rate}_in_proxy` register their default port with the `MusicManager` on construction of the model instance, but the `cont` and `message` proxies do not. This...

Failing MPI tests not properly detected

1

It appears that if tests in the `testsuite/mpi/{2,3,4}` directories fail (at least if failing due to a failed assertion), then the corresponding rows in the test report will miss instead...

Python linting does not seem to check pyx files

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The title says it all.

NEST behaves incorrectly and potentially segfaults if number of threads changed after parameters are created

2

The test below will fail if run as is. If the number of threads is changed *before* `p = nest.random.normal(mean=0, std=1)` all works well. Otherwise, there is also a risk...

Plasticity rule not implemented correctly in certain cases

1

Vieth and colleagues [1] have defined a plasticity rule that increases the synaptic weight by a fixed amount if the post-synaptic neuron fires within a fixed time interval after the...

Allow passing OpenMP root directory to -Dwith-openmp

1

This PR brings the handling of `-Dwith-openmp` in line with MPI and other libraries according to modern CMake practice, so that the root directory of the `libomp` installation can be...

Review semantics of symmetric_pairwise_bernoulli

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The `symmetric_pairwise_bernoulli` connection rules prohibits autapses and requires `allow_multapses==true`. It also requires `p < 1`. These constraints are not entirely plausible. Furthermore, is `p` is very close to 1, each...