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Subject: Re: Opteron Instruction Set

Author: Daniel Clausen

Date: 00:58:46 02/04/04

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On February 03, 2004 at 16:18:46, Robert Hyatt wrote:

[snip]

>BTW population counts are _not_ "way expensive".  It doesn't even show up on
>profiling, generally...  last time it was here:
>
>  0.11     88.79     0.10   359435     0.00     0.00  HistoryRefutation
>  0.10     88.88     0.09   228891     0.00     0.00  InterposeSquares
>  0.09     88.96     0.08                             PopCnt
>
>
>That is a "whopping" .09%.  And yes I mean .09% _not_ 9%.

That's just because the rest of your code is written even worse! If your code
would be of better quality, PopCnt() would be at 9% and more! ;)

Sargon



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