pypy speedup?

Jun He

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Sep 12, 2016, 10:29:17 PM9/12/16

to python-simpy

Hi,

I've written a simulator by Simpy (~7000 LOC). The problem now is that it is too slow. Sometimes it takes one week to finish. I am considering using pypy to speed it up. Before doing that, I'd like to hear your experience with Simpy + Pypy. How much speedup did you get by using pypy for Simpy?

Thanks,

Jun

Stefan Scherfke

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Sep 13, 2016, 1:43:15 AM9/13/16

to Jun He, python-simpy

Hi Jun,

if your code is Python 2 compatible, you can just invoke it with pypy
and it should work.

Usually, you get quite a performance boost, but we don't have general
numbers for how much faster any simulation will be.

Just try it out and share your findings! :)

Cheers,
Stefan

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Peter Grayson

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Sep 14, 2016, 1:31:39 AM9/14/16

to Stefan Scherfke, Jun He, python-simpy

On my primary simpy project, I observe a better than 2x speedup using PyPy versus either CPython3.5 or CPython2.7. YMMV.

Pete

On Tue, Sep 13, 2016 at 1:43 AM, Stefan Scherfke <ste...@sofa-rockers.org> wrote:

Hi Jun,

if your code is Python 2 compatible, you can just invoke it with pypy
and it should work.

Usually, you get quite a performance boost, but we don't have general
numbers for how much faster any simulation will be.

Just try it out and share your findings! :)

Cheers,
Stefan

> Am 2016-09-13 um 04:29 schrieb Jun He <jun....@gmail.com>:
>
> Hi,
> I've written a simulator by Simpy (~7000 LOC). The problem now is that it is too slow. Sometimes it takes one week to finish. I am considering using pypy to speed it up. Before doing that, I'd like to hear your experience with Simpy + Pypy. How much speedup did you get by using pypy for Simpy?
>
> Thanks,
> Jun

>
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Jun He

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Sep 17, 2016, 5:44:27 AM9/17/16

to Peter Grayson, Stefan Scherfke, python-simpy

Sorry for the late reply. Gmail somehow marked these emails as spam.

It was easier than I thought to setup. Simpy and other packages that I use can be installed by pip install with pypy.

I observed 3x speed up :)

Thanks,

Jun

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