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Subject: Re: BitScan with reset - not so impressive with 3DNow!

Author: Gian-Carlo Pascutto

Date: 01:39:10 12/04/02

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On December 03, 2002 at 16:14:57, Jeremiah Penery wrote:

>BSF/BSR on a P3 are like 1-2 cycle operations.  On Athlon, they're more than 10
>cycles, plus they block other execution resources.

How about the P4?

--
GCP

• Re: BitScan with reset - not so impressive with 3DNow! Jeremiah Penery 08:03:09 12/04/02
  • Re: BitScan with reset - not so impressive with 3DNow! Dezhi Zhao 13:54:05 12/04/02

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