Psyco is unmaintained, the developer of it (Armin Rigo) is working on PyPy (a Python compiler written in Python) instead: http://codespeak.net/pypy/dist/pypy/do

Psyco is unmaintained, the developer of it (Armin Rigo) is working on PyPy (a Python compiler written in Python) instead: http://codespeak.net/pypy/dist/pypy/doc/ http://codespeak.net/pypy/dist/pypy/doc/ They are already seeing quite nice results for computation-heavy benchmarks with the (tracing) JIT: http://speed.pypy.org/comparison/ http://speed.pypy.org/comparison/