Q: Profile-directed optimizations

Jeffrey A Law law@cygnus.com
Tue Sep 1 23:40:00 GMT 1998

  In message < 199809011553.KAA32236@impala.ibmoto.com >you write:
  > 1) it is difficult to do,
  > 2) it wouldn't buy much performance, or
  > 3) just that no one has gotten around to it?  
#1, #3.

Some folks might also claim #2.  I'm not convinced either way on whether
or not profile directed feedback helps real code.


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