[Python-Dev] Possible optimization for LOAD_FAST ?
Cesare Di Mauro
cesare.di.mauro at gmail.com
Fri Dec 31 18:42:53 CET 2010
2010/12/31 Ethan Furman <ethan at stoneleaf.us>
> Cesare Di Mauro wrote:
>> 2010/12/29 "Martin v. Löwis" wrote:
>> Am 28.12.2010 18:08, schrieb Lukas Lueg:
>>>> Also, the load_fast in lne 22 to reference x could be taken out of the
>>> >>> loop as x will always point to the same object....
>>> That's not true; a debugger may change the value of x.
>> 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.
> Debugging is challenging enough as it is -- why would you want to make it
> even more difficult?
With a good test suite you can forget debuggers.
In more than 6 years of Python programming, I have used it only two times
(to debug an ANTLR generated parser).
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the Python-Dev