Stefan Krah added the comment: Martin v. L??wis <rep...@bugs.python.org> wrote: > > If not, then I doubt PGO is buying us anything anyway. > > It was originally added because people reported measurable speedups when > profile-guided optimization is used, for VS 2008.
For libmpdec/64-bit I've measured huge speedups in the order of 50% (with training data). This led me to believe that the main optimizations for x64 are only available with PGO, perhaps as a distinguishing feature from the Express versions. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue8847> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
