Optimizations to improve icache hit rate

Jeff Kenton <Jeffrey.Kenton@comcast.net>
21 Apr 2004 00:50:36 -0400

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Optimizations to improve icache hit rate Jeffrey.Kenton@comcast.net (Jeff Kenton) (2004-04-21)
Re: Optimizations to improve icache hit rate pohjalai@cc.helsinki.fi (A Pietu Pohjalainen) (2004-04-28)
Re: Optimizations to improve icache hit rate anton@mips.complang.tuwien.ac.at (2004-04-29)
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From: Jeff Kenton <Jeffrey.Kenton@comcast.net>
Newsgroups: comp.compilers
Date: 21 Apr 2004 00:50:36 -0400
Organization: Comcast Online
Keywords: design, optimize, comment
Posted-Date: 21 Apr 2004 00:50:36 EDT

I had a discussion during an interview about optimizations designed to
decrease icache misses. It seems to me that code re-arrangement will
give small benefits at most, and that general optimizations,
especially those that decrease overall code size, will be more
productive in the end.


Comments?
[Sounds to me like it depends on the size of the cache lines. -John]

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