On Wed, Oct 21, 2020 at 10:38 PM Matti Picus <matti.picus@gmail.com> wrote:
>
> On 10/21/20 20:42:02 +1100 Chris Angelico <rosuav@gmail.com>wrote:
>
> > When I go looking for PyPy performance stats, everything seems to be
> > Python 2.7. Is there anywhere that compares PyPy3 to CPython 3.6 (or
> > whichever specific version)? Or maybe it's right there on
> > https://speed.pypy.org/ and I just can't see it - that's definitely
> > possible:)
> >
> > ChrisA
>
>
> They are not on the front page. You can find them, but it requires
> digging around in the Comparison page[0].
>
> - Executables: use only "cpython 3.7.6" and any of the "pypy3-jit-64"
>
> - Chart type: normal bars
>
> - Normalization: cpython3.7.6 or pypy3-jit-64, whichever way makes more
> sense to you
>
> - horizontal.
Ah, cool, got it - thanks! My reading of this is that a good few of
the benchmarks are coming out firmly in PyPy's favour, but a number of
them are still in CPython's favour (including "telco" where PyPy is
staggeringly worse for some reason). But a number of the "PyPy is
worse" benchmarks are ones that seem less significant - for instance,
SQLAlchemy seems to be slower, but if you're using SQLAlchemy, you're
probably more concerned about database performance than the CPU cost
inside Python.
> For some reason the "permalink" feature does not let me share that
> configuration.
Yeah, there seem to be some issues with that page. The first time I
loaded it, the chart was entirely broken - I was looking for the "show
chart" button, but it was just that it had errored out for some
reason. Still, at least the data's there.
> I guess we could switch to emphasizing python3 on the front page, help
> in updating and reconfiguring Codespeed [1] would be awesome.
If only I had infinite time in the day, I'd love to dive in and help
out... It definitely would be worth at least having a quick summary
and link somewhere.
ChrisA
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>
> On 10/21/20 20:42:02 +1100 Chris Angelico <rosuav@gmail.com>wrote:
>
> > When I go looking for PyPy performance stats, everything seems to be
> > Python 2.7. Is there anywhere that compares PyPy3 to CPython 3.6 (or
> > whichever specific version)? Or maybe it's right there on
> > https://speed.pypy.org/ and I just can't see it - that's definitely
> > possible:)
> >
> > ChrisA
>
>
> They are not on the front page. You can find them, but it requires
> digging around in the Comparison page[0].
>
> - Executables: use only "cpython 3.7.6" and any of the "pypy3-jit-64"
>
> - Chart type: normal bars
>
> - Normalization: cpython3.7.6 or pypy3-jit-64, whichever way makes more
> sense to you
>
> - horizontal.
Ah, cool, got it - thanks! My reading of this is that a good few of
the benchmarks are coming out firmly in PyPy's favour, but a number of
them are still in CPython's favour (including "telco" where PyPy is
staggeringly worse for some reason). But a number of the "PyPy is
worse" benchmarks are ones that seem less significant - for instance,
SQLAlchemy seems to be slower, but if you're using SQLAlchemy, you're
probably more concerned about database performance than the CPU cost
inside Python.
> For some reason the "permalink" feature does not let me share that
> configuration.
Yeah, there seem to be some issues with that page. The first time I
loaded it, the chart was entirely broken - I was looking for the "show
chart" button, but it was just that it had errored out for some
reason. Still, at least the data's there.
> I guess we could switch to emphasizing python3 on the front page, help
> in updating and reconfiguring Codespeed [1] would be awesome.
If only I had infinite time in the day, I'd love to dive in and help
out... It definitely would be worth at least having a quick summary
and link somewhere.
ChrisA
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Message archived at https://mail.python.org/archives/list/python-dev@python.org/message/IP7DXROXIYAV7RXL2JSILON7CBKZYELJ/
Code of Conduct: http://python.org/psf/codeofconduct/