[Python-Dev] Micro-optimizations by adding special-case bytecodes?

Mark Shannon mark at hotpy.org
Wed May 24 17:11:50 EDT 2017


On 24/05/17 11:07, Ben Hoyt wrote:
> Hi folks,
>
> I was looking at some `dis` output today, and I was wondering if anyone
> has investigated optimizing Python (slightly) by adding special-case
> bytecodes for common expressions or statements involving constants?

[snip]

Hi Ben,

What you are suggesting is an ad-hoc form of what is known as "static 
superinstructions".
Take a look at http://www.complang.tuwien.ac.at/projects/interpreters.html

Cheers,
Mark.



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