This library provides tools to build and use surrogate benchmarks to evaluate and compare hyperparameter optimization methods. You can find the documentation here: http://surrogatebenchmarks.readthedocs.org.
This software is licensed under the GPL license. You find the license text shipped with this package.
The code used for the Gaussian Process is part of the spearmint package, which can be found here: https://github.com/JasperSnoek/spearmint