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Subject: Re: One (silly) question about "C"

Author: Dann Corbit

Date: 14:29:47 02/05/02

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On February 05, 2002 at 16:26:08, Tom Likens wrote:
[snip]
>I'd be careful with Gnu's -funroll-loops (and especially -funroll-all-loops)
>since these switches can actually make your program run slower by causing
>a cache miss/penalty.

I just use -O3 and let the compiler decide.  It's probably smarter than I am
anyway.

• Re: One (silly) question about "C" Dieter Buerssner 16:51:48 02/05/02
  • Re: One (silly) question about "C" Dann Corbit 17:25:45 02/05/02
  • Re: One (silly) question about "C" Dann Corbit 17:06:39 02/05/02
    • Re: One (silly) question about "C" Dieter Buerssner 17:37:45 02/05/02
      • why loop unrolling isn't as useful on x86 as it once was Wylie Garvin 04:29:20 02/07/02
      • Re: One (silly) question about "C" Dann Corbit 18:00:17 02/05/02

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