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Subject: Re: Programmers: speed

Author: Vincent Diepeveen

Date: 09:07:01 08/23/02

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On August 23, 2002 at 10:22:47, Matthias Gemuh wrote:

when run on the same processor there is no difference.
it's a hardware instruction simply.

however when you compare speed of P4 versus other processors
you will find *very* slow with shift instructions.

Beste regards,
Vincent

>
>Hi Experts,
>s has 32 bits.
>Is there an execution speed difference between s = (p << 1),
>
>where:
>a) p = 1
>b) p = 14
>c) p = 15
>d) p = 31 ?
>Can the difference (if any) be quantised ?
>
>Thanks,
>Matthias.



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