openquake.baselib is a collection of utilities to run large numeric simulations. It includes support for parallel computing (via multiprocessing, celery, zmq or dask), performance monitoring and a serialization library from Python objects to HDF5 files and viceversa.

Development and support

openquake.baselib is being actively developed by GEM foundation as a part of OpenQuake project. The public repository is available on github: A mailing list is available as well:


openquake.baselib is currently part of the OpenQuake engine and can be installed simply with

` $ pip install openquake.engine `

or in several other ways, see


openquake.baselib is licensed under terms of GNU Affero General Public License 3.0.