[plt-scheme] graphs / shared / memory!!

At Thu, 20 Oct 2005 18:21:00 -0700, Yoav Goldberg wrote:
> > > (I wonder how Python's generators will match up.. I might write a
> > > python version tomorrow..)
> > Python uses reference counting. I'd say you start with
> > the circular graph version. Last time I talked to Guido
> > he didn't understand the value of garbage collection.
> 
> Isn't the circular graph version is, in this case, just like the list version?
> (I don't see how I can restrict the number of allowed traversal on a circle...)
> 
> About Python: I am curious about it because I think generators take a
> somewhat different approach - it's not really lazy, just a sequence
> with local state.. But you are probably right - it will be very hard
> to measure, because python is rather horrible with big lists anyhow.

If you haven't seen it, you might check out swindle's list
comprehensions and/or srfi 42's comprehensions for a Schemey version of
that.

Robby