C API: Change immutable objects? :-o

[Michael Hudson]

Skip Montanaro <skip at pobox.com> writes:

>     Michael> Are you running a version of Python compiled with pymalloc?
>     Michael> Because I believe that fairly recent changes have wrought
>     Michael> significant gains in performance when working with large
>     Michael> numbers of small objects.
> 
> If I read the recent thread on python-dev correctly, there is about a 25%
> improvement in performance of current CVS over 2.2.1,

On pybench -- dunno if that translates to a 25% performance
improvement for the mythical "typical Python application".

> largely due to pymalloc.

That's just a presumption -- unless someone has done a
--without-pymalloc build to check recently -- but a likely one.

Cheers,
M.

-- 
  Premature optimization is the root of all evil.
       -- Donald E. Knuth, Structured Programming with goto Statements