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Subject: Re: Pocket PC: NPS and rating

Author: Tom Kerrigan

Date: 10:59:53 03/30/03

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On March 30, 2003 at 11:53:21, James Constance wrote:

>1.  Why is there such a difference in Nodes Per Second in Pocket PCs when
>compared with PCs?  e.g. Shredder on my Athlon 1200 Mhz might do 180,000 NPS for
>a given position, whereas my StrongArm 200 Mhz does only 4,500 NPS for the same
>position.  That's a factor of 40 - I was optimistically expecting it to be
>closer to the ratio in processor speeds.
>
>2.  Anybody have a stab at how much this reduces the SSDF quoted rating by?
>
>cheers!

These processors should be reasonably fast. I wonder if the problem isn't FSB
frequency or width. It's entirely possible that PPCs have, say, an 8 bit data
bus to save on pins/traces/size/power consumption/etc.

-Tom



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