[Python-Dev] Speeding up CPython 5-10%

Yury Selivanov yselivanov.ml at gmail.com
Mon Feb 1 12:54:28 EST 2016


Hi Brett,

On 2016-02-01 12:18 PM, Brett Cannon wrote:
>
> On Mon, 1 Feb 2016 at 09:08 Yury Selivanov <yselivanov.ml at gmail.com 
> <mailto:yselivanov.ml at gmail.com>> wrote:
>
>
>     [..]
>
>     If I were to do some big refactoring of the ceval loop, I'd probably
>     consider implementing a register VM.  While register VMs are a bit
>     faster than stack VMs (up to 20-30%), they would also allow us to
>     apply
>     more optimizations, and even bolt on a simple JIT compiler.
>
>
> [..]
>
> As for bolting on a JIT, the whole point of Pyjion is to see if that's 
> worth it for CPython, so that's already being taken care of (and is 
> actually easier with a stack-based VM since the JIT engine we're using 
> is stack-based itself).

Sure, I have very high hopes for Pyjion and Pyston.  I really hope that 
Microsoft and Dropbox will keep pushing.

Yury


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