[Python-Dev] Possible optimization for LOAD_FAST ?

Cesare Di Mauro cesare.di.mauro at gmail.com
Fri Dec 31 18:51:39 CET 2010

2010/12/31  <skip at pobox.com>

>    >> Another example. I can totally remove the variable i, just using the
>    >> stack, so a debugger (or, in general, having the tracing enabled)
>      >> cannot even find something to change about it.
   Ethan> -1
>    Ethan> Debugging is challenging enough as it is -- why would you want to
>    Ethan> make it even more difficult?
> <snarky>
> I don't know.  Maybe he wants his program to run faster.
>  </snarky>


"Aggressive" optimizations can be enabled with explicit options, in order to
leave normal "debugger-prone" code.

> If you use print statements for the bulk of your debugging (many people
> do),
> unrolling loops doesn't affect your debugging ability.
>  Skip

It's a common practice. Also IDEs helps a lot, and advanced interactive
shells too (such as DreamPie).

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