id() collisions on bound methods [was: metaclass and customization with parameters]
mwh at python.net
Thu Oct 7 15:12:03 CEST 2004
Greg Ewing <greg at cosc.canterbury.ac.nz> writes:
> Jeff Epler wrote:
> > In the Olden Days, "caching" bound methods would have led to cycles
> > that were never collected. Nowadays, there's a cyclic GC collector,
> > so if that was the killer for this idea maybe it's worth revisiting.
> Alternatively, creation of the bound method could be skipped
> altogether in the case where it's going to be immediately called.
> This could be achieved by having
> generate a single CALL_METHOD opcode instead of an attribute
> lookup followed by a call.
Been done: http://python.org/sf/709744
Unfortunately, it seems to cause an overall slow DOWN...
SCSI is not magic. There are fundamental technical reasons why it
is necessary to sacrifice a young goat to your SCSI chain now and
then. -- John Woods
More information about the Python-list