Powersets of a list?

[Bengt Richter]

On Sun, 27 May 2001 11:33:02 -0700, "Emile van Sebille"
<emile at fenx.com> wrote:
>Timing results for four of the powerset generators posted to this thread
>(format edited for usenet):
>
What about the effect of garbage collection? To be fair, shouldn't all
timings be started after a fresh garbage collection, at least on an
algorithm basis, if not each invocation?