[pypy-dev] Pypy is slower than Python

Alex Gaynor alex.gaynor at gmail.com
Wed May 1 16:08:55 CEST 2013

I read the benchmark, it's the loop inside of `zip()` which has very few


On Wed, May 1, 2013 at 1:56 AM, Armin Rigo <arigo at tunes.org> wrote:

> Hi Alex,
> On Wed, May 1, 2013 at 12:24 AM, Alex Gaynor <alex.gaynor at gmail.com>
> wrote:
> > I don't think this is a GC case. I think this is a case of loops with
> only a
> > few iterations aren't fast enough.
> Dudes, can anyone look seriously at the benchmark? :-)
> The core of this benchmark is a loop that does 1'000'000 times
> "dict(zip(keys, vals))", where keys and vals are lists of length 10.
> A bientôt,
> Armin.

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