python performance

[Syver Enstad]

loewis at informatik.hu-berlin.de (Martin v. Löwis) writes:

> Padraig Brady <Padraig at Linux.ie> writes:
> 
> > > Calling functions adds overhead.  Running code within functions
> > > reduces overhead for object access.
> > 
> > Ah OK, this because it has to search a smaller namespace?
> 
> No. Inside a function, local variables are accessed with integer
> indices, instead of by name. This is possible because there is static
> knowledge about the local variables in a function.
> 
> > Wouldn't compiling overcome this? 
> 
> Not if you want to preserve Python semantics; the compiler would need
> to emit code that performs the same actions that the interpreter
> currently does.

What about Psyco?

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Vennlig hilsen 

Syver Enstad