Re: OT: Wheeeeee! New PSpice Benchmarks

From: Jim Thompson (thegreatone_at_example.com)
Date: 08/23/04 

Date: Sun, 22 Aug 2004 19:39:21 -0700

On Mon, 23 Aug 2004 02:11:47 +0000 (UTC), kensmith@green.rahul.net
(Ken Smith) wrote:

>In article <b2wqyl86ltmc$.dlg@news.individual.net>,
>Active8 <reply2group@ndbbm.net> wrote:
>[...]
>>Good point, but the people I know that build gaming systems all go
>>with AMD. The graphics are math intensive. They all tell me that the
>>AMDs do the job faster for a civen CPU speed.
>
>We don't know that "A" is the cause of "B" in this case. 3D graphics
>requires fast low accuracy math and a bunch of memory transfers that don't
>simply count up. The AMD may do both better.
>
>It may not even be the CPU core its self that is the cause. These chips
>have cache memories built in. Most cache designs assume things about the
>pattern of reads and writes. If it assumes wrong, the performance
>suffers.
>
>--

When Intel went to the P4 they tossed the dedicated math core, so they
could devote more chip area to the pablum that the general public
wants.

                                        ...Jim Thompson 

-- 
|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
|  Analog/Mixed-Signal ASIC's and Discrete Systems  |    manus    |
|  Phoenix, Arizona            Voice:(480)460-2350  |             |
|  E-mail Address at Website     Fax:(480)460-2142  |  Brass Rat  |
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