[Python-Dev] 2.7 is here until 2020, please don't call it a waste.
tetsuya.morimoto at gmail.com
Thu Jun 4 04:08:02 CEST 2015
> If someone were to volunteer to set up and run speed.python.org, I think
we could add some additional focus on performance regressions. Right now,
we don't have any way of reliably and reproducibly testing Python
I'm very interested in speed.python.org and feel regret that the project is
standing still. I have a mind to contribute something ...
On Mon, Jun 1, 2015 at 8:14 PM, M.-A. Lemburg <mal at egenix.com> wrote:
> On 01.06.2015 12:44, Armin Rigo wrote:
> > Hi Larry,
> > On 31 May 2015 at 01:20, Larry Hastings <larry at hastings.org> wrote:
> >> p.s. Supporting this patch also helps cut into PyPy's reported
> >> lead--that is, if they ever upgrade speed.pypy.org from comparing
> >> Python *2.7.2*.
> > Right, we should do this upgrade when 2.7.11 is out.
> > There is some irony in your comment which seems to imply "PyPy is
> > cheating by comparing with an old Python 2.7.2": it is inside a thread
> > which started because "we didn't backport performance improvements to
> > 2.7.x so far".
> > Just to convince myself, I just ran a performance comparison. I ran
> > the same benchmark suite as speed.pypy.org, with 2.7.2 against 2.7.10,
> > both freshly compiled with no "configure" options at all. The
> > differences are usually in the noise, but range from +5% to... -60%.
> > If anything, this seems to show that CPython should take more care
> > about performance regressions. If someone is interested:
> > * "raytrace-simple" is 1.19 times slower
> > * "bm_mako" is 1.29 times slower
> > * "spitfire_cstringio" is 1.60 times slower
> > * a number of other benchmarks are around 1.08.
> > The "7.0x faster" number on speed.pypy.org would be significantly
> > *higher* if we upgraded the baseline to 2.7.10 now.
> If someone were to volunteer to set up and run speed.python.org,
> I think we could add some additional focus on performance
> regressions. Right now, we don't have any way of reliably
> and reproducibly testing Python performance.
> Hint: The PSF would most likely fund such adventures :-)
> Marc-Andre Lemburg
> Professional Python Services directly from the Source (#1, Jun 01 2015)
> >>> Python Projects, Coaching and Consulting ... http://www.egenix.com/
> >>> mxODBC Plone/Zope Database Adapter ... http://zope.egenix.com/
> >>> mxODBC, mxDateTime, mxTextTools ... http://python.egenix.com/
> ::::: Try our mxODBC.Connect Python Database Interface for free ! ::::::
> eGenix.com Software, Skills and Services GmbH Pastor-Loeh-Str.48
> D-40764 Langenfeld, Germany. CEO Dipl.-Math. Marc-Andre Lemburg
> Registered at Amtsgericht Duesseldorf: HRB 46611
> Python-Dev mailing list
> Python-Dev at python.org
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Python-Dev