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Fri Nov 13 07:29:17 CET 2009

gprof

Tried to inline some functions that are called a lot.  Most of them
are data access & creation.

The real message is: in order to speed this up: perform less consing &
lookup.

According to Dybvig, it's variable references and procedure
applications (frame extensions).  Global variables could be linked to
boxes instead of having to go through a search operation.  This might
be the best speedup.

ex_find() takes 44.9% of the time.

It's probably best to replace global variables with a direct reference
to the cell that contains the definition.  The same can be done for
free variables in closures.  If they're not assigned to, they can
additionally be unboxed.

#(var (name . val))




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