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Re: Q: Profile-directed optimizations
- To: Andrew Huang <ahuang at ibmoto dot com>
- Subject: Re: Q: Profile-directed optimizations
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Wed, 02 Sep 1998 00:39:58 -0600
- cc: egcs at cygnus dot com
- Reply-To: law at cygnus dot com
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