Wanted:Refs to optimizing by using run-time info

I want references to articles about the following subject:


I recall reading in this newsgroup about optimizing by first compiling,
then running the program while collecting information about its
runtime behaviour and finally feeding both the program and
the run-time info to the compiler when producing the final code.


The idea is that the compiler can do a better job if it knows more about
the run-time behaviour.


This might have been some years back, I cannot recall.


Please respond to


Mikael Degermark email: micke@sm.luth.se
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Dept of Computer Science tel: +46 920 911 88
University of Luleå fax: +46 920 721 91
S-971 87 Luleå, Sweden www: http://www.sm.luth.se/~micke
[I know Multiflow did that, and it wasn't new then. -John]
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