Who wins the performance game: SmallTalk/V or MCL?

[Luke Hohmann <hohmann@csmil.umich.edu>]

I am a member of the Highly Interactive Computing Environments research
group at the University of Michigan.  My own research is in programming
environments, and the language I use for development is MCL.   I am
the only member of our group using MCL.

A large portion of our group does their work in SuperCard; one other
person does work in SmallTalk/V from DRI.  It is clear that SuperCard
is too slow and flaky for serious pounding (ie. one project is more
than 12K lines of source....)

The technical question is:
   Who wins the performance game:  SmallTalk/V or MCL?

I feel that my asnwer is much too biased (MCL).  Does anyone have any
strong opinions or data to share?

   Many thanks.

  -- Luke

Notes:
  1.  I understand that the richness of the development environment is
      a *critically* important issue in this comparison.  However, for
      this question assume the "ease of developing" in these two 
      environments is equivalent.  I am more interested in "zorch"
      which environment, will, (in general), execute code more efficiently.


A large
portion of our group doe