On Tue, Mar 27, 2007 at 03:25:00PM -0400, Jim Washington wrote: > A factoradic index is representable as a long integer. Given that > integer and the canonical list, you can regenerate the permutation > represented by that integer. So, instead of caching the sorted list > itself, you find and keep this integer, which is all the information > needed to algorithmically re-obtain the sorted list. > > So, this would be slower than caching, but (I think) faster than re-sorting.
Doesn't it mean you need the entire canonical list in memory? -- Paul Winkler http://www.slinkp.com _______________________________________________ Zope3-dev mailing list Zope3firstname.lastname@example.org Unsub: http://mail.zope.org/mailman/options/zope3-dev/archive%40mail-archive.com