Marc-Andre Lemburg <m...@egenix.com> added the comment: Mikhail Terekhov wrote: > > New submission from Mikhail Terekhov <ter...@gmail.com>: > > For some time now my builds of python 3.2 on x86_64 platform in SuSE OBS are > failing depending on the phase of the moon. The spec file for the > python3-base package uses 'make profile-opt' command to build and > Makefile.pre.in uses pybench.py for profile guided optimization. The > pybench.py fails sometimes with the '* Internal Error (use --debug to display > the traceback)' error. Adding --debug gives 'calibration setup did not work' > i.e. some of the self.overhead_times values in the Test.calibrate_test method > became negative. It happens for the NestedForLoops test. The source > inspection shows that most probably it was forgotten to divide by > CALIBRATION_LOOPS when calculating prep_times. The patch against current head > is attached, it solves the problem.
Good catch. Your analysis is correct. Interesting that it took more than 6 years to discover this bug... looks like CPUs got more than 20 times faster since back then. ---------- nosy: +lemburg _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue11895> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
