Concerns about performance w/Python, Pysco on Pentiums

[Peter Hansen]

Michael Hudson wrote:
> 
> "Anders J. Munch" <andersjm at dancontrol.dk> writes:
> 
> > You were switching by means of a dict of functions, right?  An elegant
> > and natural Python solution, but my bet is that psyco can't see
> > through it.
> >
> > Try replacing the dict with a long if-elif-elif-elif-chain ordered by
> > expected execution frequency.  Or better yet, a tree of if statements
> > performing an inlined binary search, if you don't mind the
> > maintenance.
> 
> You might also try a list of functions rather than a dict.  I think
> psyco knows more about lists than dicts.  But ICBW.

Ah, thanks.  My lateral-thinking cap must have been off.  Although
dicts are fast in Python in general, in this case the items in the
list are tightly constrained (opcodes, from 0 to 255) and a list 
is quite feasible.  I'll give it a shot - thanks! :)

-Peter