benchamrks on Linux and Cygwin/VMWare

[Matthew Fluet]

> Not bad (for an evil world).  I would think that as long as you stay away
> from system calls VMWare wouldn't cost you any thing.  For fully computational
> programs, I guess that that means that only gc might be slowed down.  Did you
> notice any big changes in that?

I think we still hurt a little on computational programs due to
inavailability of %esp.  I suspect that that register pressure (and the
corresponding spills) accounts for a lot of the size increase.  But, there
are some huge size increases.  Any thoughts on why else size might
increase?