Great--these changes fixed the slowness I observed. Further Ray's
patch to defsystem seems to work well with Clozure CL (aka openmcl).
Thanks to all.
--Barton
-----maxima-bounces at math.utexas.edu wrote: -----
>I?think?I?have?found?the?two?problems.?The?main?problem?is?the?code?to
>simplify?the?abs?function.?A?second?problem?is?the?call?of?$sum.