Josiann is a Python library which implements the simulated annealing algorithm for noisy cost functions. It has support for vectorized functions, multiprocessing and provides a parallel mode for optimizing several similar but independent problems at once.

Source code (CeCILL-B): https://github.com/Vidium/josiann

Documentation: https://josiann.readthedocs.io/en/latest/index.html

Josiann requires Python 3.8+ to run and relies on the following libraries :

• Numpy
• attrs
• tqdm

pip install josiann

Optional diagnostic plots need the library plotly to be generated. You can install it alongside with Josiann :

pip install josiann[plot]

Several examples of using Josiann can be found in the docs/tutorials folder.