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
• 2006-09-05: Creation of IronPython project by Jim Hugunin
• Creation of PyPy, spin-off of psyco
• mid-2007: PyPy 1.0 released.
• 2009-03: Creation of Unladen Swallow project by some Google employees
• 2010-Q1: Google stops funding Unladden Swallow
• 2012-09: Creation of the astoptimizer project by Victor Stinner
• 2012-11: Creation of the registervm project by Victor Stinner
• 2014-04-03: Creation of Pyston project by Kevin Modzelewsk and the Dropbox team
• 2014-05: Creation of read-only Python PoC by Victor Stinner
• 2015-10: Creation of the FAT Python project by Victor Stinner
• 2016-01: Creation of Pyjion by Brett Canon and some Microsoft employes
• 2017-01-03 : Brett Cannon add a note to say to expect sporadic progress from the project
• 2017-01-31: Dropbox stops funding Pyston