On Tue, 19 Sep 2023, Paul Ruizendaal wrote:

> Any suggestions as to why the on-the-fly algorithm did not catch on more 
> in the 1980’s? Maybe it was simply less well known than I think?

Could it have been the per-cpu-second billing that was (fairly?) common at 
the time.  I was only getting in to Unix in the early 90s but saw the tail 
end of that.

Cheers,

Rob