Gregory P. Smith <g...@krypto.org> wrote: > Ubuntu compiles their Python with FDO (feedback directed optimization / > profile > guided optimization) enabled. All distros should do this if they don't > already. > It's generally 20% interpreter speedup. Our makefile already supports it but > it > isn't the default build as it takes a long time given that it needs to compile > everything twice and do a profiled benchmark run between compilations.
Yes, I didn't know we already had `make profile-opt`. With that option the self-compiled results are nearly the same as with the Ubuntu version, the remaining difference might be due to Ubuntu's use of -flto, as Matthias suggests in http://bugs.python.org/issue17781 . Stefan Krah _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
