On Wed, Aug 10, 2011 at 9:09 PM, David Beazley <d...@dabeaz.com> wrote: > You're forgetting step 5. > > 5. Put fine-grain locks around all reference counting operations (or rewrite > all of Python's memory management and garbage collection from scratch). ... > After implementing the aforementioned step 5, you will find that the > performance of everything, including the threaded code, will be quite a bit > worse. Frankly, this is probably the most significant obstacle to have any > kind of GIL-less Python with reasonable performance.
PyPy would actually make a significantly better basis for this kind of experimentation, since they *don't* use reference counting for their memory management. Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
