Messages in this thread | | | Date | Fri, 10 Sep 1999 10:41:05 +0200 (CEST) | From | <> | Subject | Re: [patch] longstanding chksum patch |
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On Fri, 10 Sep 1999, Andrea Arcangeli wrote:
> >> - testl %esi, %esi > >> + clc > > > >you've just slowed the code down. clc does not pair. testl %esi, %esi > >does. > > My machine (PII) was faster with clc.
I'm talking about the PII as well, clc _is_ slower. I would suspect your benchmarking method is broken or nondeterministic?
-- mingo
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