Loop unrolling-related SPEC regressions?

Joe Buck jbuck@synopsys.COM
Fri Feb 1 11:14:00 GMT 2002


> browsing the latest results from Andreas, it looks like a few of them (e.g.,
> 164.gzip, 186.crafty, 200.sixtrack) are showing a definite regression in the
> PEAK case, characterized by -funroll-all-loops.

It's not clear to me that -funroll-all-loops is the correct setting for
PEAK, as bloating out the code may make the cache perform worse.



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