On Wed, 21 Oct 2020 22:48:59 +1100
Chris Angelico <ros...@gmail.com> wrote:
> 
> 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).

The "telco" benchmark benefits heavily from the C decimal module written
and ex-maintained by Stefan Krah.

> 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.

I certainly wouldn't say that.  The ORM's overhead can be quite
important, and SQLAlchemy has dedicated C extensions to mitigate it.

Regards

Antoine.

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