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Subject: Re: 64Bit optimize coding - My experience (AMD64)

Author: Tord Romstad

Date: 13:18:19 12/21/05

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On December 21, 2005 at 15:30:07, Andreas Guettinger wrote:

>Well, the problem is that the -DINLINE_PPC flag does nothing on your sources. :)
>I realized that a big part of the speedup seems to come from the asm
>bitoperating routines.

I see.  Thanks for the code and explanations.

Is there any easy way to achieve similar speeds with plain, portable C
code?  If resorting to inline assembly language is really necessary to
produce a fast 64 bit binary, I would be very disappointed.  I detest
assembly language.

Tord

• Re: 64Bit optimize coding - My experience (AMD64) Andreas Guettinger 14:09:02 12/21/05
  • Re: 64Bit optimize coding - My experience (AMD64) Tord Romstad 08:42:43 12/22/05
    • Re: 64Bit optimize coding - My experience (AMD64) Gerd Isenberg 10:13:53 12/22/05
      • Re: 64Bit optimize coding - My experience (AMD64) Tord Romstad 13:57:40 12/22/05
  • Re: 64Bit optimize coding - My experience (AMD64) Frank E. Oldham 23:08:46 12/21/05
    • Re: 64Bit optimize coding - My experience (AMD64) Andreas Guettinger 04:14:27 12/22/05

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