REIX Tony added the comment: Thanks a lot Stefan, that should completely explain my issues.
-fno-strict-aliasing -fwrapv for gcc So, that means that you would get better performance if you applied on Python v2.7 what Python v3.5 did about Py_SIZE(x) . However, there are probably other places where the aliasing issue still appears in v2.7 . Hummm I'll use -qalias=noansi with XLC and see what happens. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27725> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
