Benchmark reporting

[stoni]

Define a concept how to:

• Execute iron-array benchmarks on the CoreX machine
• Store execution data centrally (gh-pages)
• Display results (graphs and stuff)
• Use airspeed velocity (https://asv.readthedocs.io/en/stable/using.html)

[FrancescAlted]

Another interesting tools are https://pypi.org/project/pytest-benchmark/ and https://github.com/rhysd/github-action-benchmark

[FrancescAlted]

We absolutely need this for 1.0, even if it is not fully complete. We can setup something quick for some fundamental operations, like transcendental expressions, linear algebra and load and store speed.

[martaiborra]

Although it is not fully completed, some work has been done regarding this issue. In the notebooks repository the perf-history folder contains some notebooks, python scripts and a *.csv file. The scripts together used with memprofiler in the notebooks measure the performance for some constructors, all the reductions, some linear algebra computations and some expression evaluations. The results are written in the perf-history.csv file, which is automatically renamed to perf-history-vX.Y.Z.csv each time a tag is pushed in the notebooks repository.