Loop Unroll

"Alkaid" <lxh@arch.cs.pku.edu.cn>
18 May 2001 23:51:16 -0400

          From comp.compilers
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Loop Unroll lxh@arch.cs.pku.edu.cn (Alkaid) (2001-05-18)
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From: "Alkaid" <lxh@arch.cs.pku.edu.cn>
Newsgroups: comp.compilers
Date: 18 May 2001 23:51:16 -0400
Organization: Peking University,Beijing,China
Keywords: optimize, question
Posted-Date: 18 May 2001 23:51:15 EDT

Hi,


When we do ILP optimization, loop unrolling is a kind of method.
But there is a question: if loop time is a big prime number, how to unroll
the loop?
e.g. when loop time is 100, I can unroll the loop 4 times to get a new one
which has 25 iterations. What shall I do if the loop time is 101?

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