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Years and years later and they are finally able to (very slightly) beat psycho. Sigh.


Sure, but we have a 64-bit backend ;) After years and years still no one wants to write one for psycho.

Edit: Psycho also broke Python's semantics in a few very subtle ways, in that sense it isn't a truly fair comparison.


How does Psyco break Python's semantics? I'm using Psyco for years and I didn't know that it did.


2nd section here: http://psyco.sourceforge.net/psycoguide/bugs.html


Hey, don't get me wrong, it's great that you're making strides, and I still hope the project is a success.

My viewpoint comes as someone who was very excited initially at the thought of a drop-in replacement for CPython whose goal was to be "faster than c". It's been a very long time and it seems like pypy still has a long way to go to achieve production-readiness, so it's hard to continue being excited about the project.


Aside from the rapid performance gains in recent months and the fact that it's twice as fast as CPython...


... in these benchmarks, which are mostly tight-loop math code, from what I understand.

Being a drop-in replacement also includes things like virtual crashproofness, full stdlib support, runs major third-party packages flawlessly, etc.


Then don't be "excited". However, it's douchey to mock others' work just because they're not on your timetable.




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