The cluster Bull, Occigen is a supercomputer with scalar processors. It’s maximum power is 3.5 PFflop/s.
It is a machine acquired by GENCI and hosted and administered by CINES.
Occigen includes 34 computing racks plus 7 racks for services and disk space.
The machine was ranked twenty-sixth in the world in the Top500 ranking of November 2014.
A guide can be downloaded here: start_on_occigen