[sandGorgon]

I thought so too. But Google has a history of funding multiple initiatives in parallel. Grumpy is a very different effort to translate Python to Go - but Pypy is more or less drop in.

Pyston also seems dead - nobody has committed in a year. You have to give kudos to the Pypy devs. The level of passion contributing countless hours to an underfunded, high impact project must be incredible.