[Python-Dev] Benchmarking Python 3.3 against Python 2.7 (wide build)

[Brett Cannon]

On Sun, Sep 30, 2012 at 8:28 PM, Antoine Pitrou <solipsis at pitrou.net> wrote:

> On Sun, 30 Sep 2012 19:12:47 -0400
> Brett Cannon <brett at python.org> wrote:
> >
> > ### mako_v2 ###
> > Min: 0.137584 -> 0.287701: 2.09x slower
> > Avg: 0.140620 -> 0.293204: 2.09x slower
> > Significant (t=-296.14)
> > Stddev: 0.00243 -> 0.00272: 1.1195x larger
>
> Note that Mako can use the Markupsafe library for faster operation.
> This will skew the result if one of your Pythons has Markupsafe
> installed and the other does not.
>

Should probably have the benchmark print out a warning when markupsafe is
used. Turns out I have it installed in my user directory for Python 2.7 so
that probably came into play.


>
> Perhaps the benchmark runner should launch its subtests in a controlled
> environment to avoid such issues?
>

If we had venv in Python 2.7 that might be easy to do, but otherwise is
there an easy way without having to try to pull in virtualenv or something
crazy like a chroot or something?

-Brett


(shipping a copy of Markupsafe would not be very practical, because it
> has a C extension)
>
> Regards
>
> Antoine.
>
>
> --
> Software development and contracting: http://pro.pitrou.net
>
>
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