Speed up Python by up to 5% ?

[Bernhard Herzog]

"Edward K. Ream" <edream at tds.net> writes:

> The byte
> code is littered with SET_LINENO opcodes.  Has anyone considered moving the
> test:
> 
> if (things_to_do || --tstate->ticker < 0)
>     { /* handle periodic things */ } // not usually executed.
> 
> out of the main loop an into the case for SET_LINENO? The code might be
> executed slightly less regularly, but would that matter? 

Yes. When python is started with the -O option there are no SET_LINENO
instructions at all.

   Bernhard

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