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Re: Q: Profile-directed optimizations



  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.

jeff


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