History of Python optimizations

• 2002: Creation of the psyco project by Armin Rigo
• 2003-05-05: psyco 1.0 released
• Spring 1997: Creation of Jython project (initially called JPython) by Jim Hugunin
• xxxx-xx-xx: Creation of IronPython project by xxx
• Creation of PyPy, spin-off of psyco
• mid-2007: PyPy 1.0 released.
• 2009-03: Creation of Unladen Swallow project by xxx
• xxxx-xx-xx: Creation of Pyston project by xxx
• 2012-09: Creation of the AST optimizer project by Victor Stinner
• 2012-11: Creation of the registervm project by Victor Stinner
• 2014-05: Creation of read-only Python PoC by Victor Stinner
• 2015-10: Creation of the FAT Python project by Victor Stinner