Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!clyde.concordia.ca!altitude!menzies
From: menzies@CAM.ORG (Stephen Menzies)
Newsgroups: comp.sys.amiga.hardware
Subject: Re: Fusion-40, the 68040 Card for A2000 avail...
Message-ID: <1991Jun29.075159.7567@CAM.ORG>
Date: 29 Jun 91 07:51:59 GMT
References: <1991Jun20.114837.22962@unibi.uni-bielefeld.de> <1991Jun21.183207.27427@CAM.ORG> <1991Jun24.135145.27140@informatik.uni-erlangen.de> <1991Jun27.103051.24576@CAM.ORG> <1991Jun27.150923.7519@informatik.uni-erlangen.de>
Organization: Altitude.CAM.ORG, St-Lambert QC  CANADA
Lines: 44

bdraschk@immd4.informatik.uni-erlangen.de (Bernd Raschke) writes:

>menzies@CAM.ORG (Stephen Menzies) writes:

>>Scene dis: solid color sphere on solid colored ground.
>>Software: Imagine 1.1
>>Render: Ray-trace with shadows.

>>A3000/25.......................00:20:02
>>A2000/50MHz GVP 030/882........00:10:59
>>A3000/Progressive 040..........00:09:15 (Copyback ON)
>>A2000/RCS Fusion-Forty.........00:06:30 (CopyBack ON)
>Seems strange to me. Shouldn't an A3000 040-board be faster than an A2000
>version? The CPU slot of an A2000 is 16bit, so the card has to have it's
>memory on board, while the A3000 card has no own ram and uses the ram on
>the mainboard. Is that fact responsible for the difference in speed?

>Ciao,
>	bernd
>>--stephen
>---
>Bernd 'The Real Arthur!' Raschke           |Only //
>bdraschk@faui09.informatik.uni-erlangen.de | \\ // Amiga
>hartmannstr. 129 8520 erlangen 09131 38244 |  \X/ makes it possible
>    "Liebling, aeh, Sweatheart! What watch?" "10 watch!" "Oh.. such much!"

-----start of RCS reply (verbatum): 
1> Maybe;
2> Possible incorrect Cache Controls;
3> The efficient coding of the floating point support package, hand coded
   by RCS for the Fusion-Forty;
4> Design differences/philosophy.

-----end of forwarded RCS reply-----

Again, I am NOT an employee of RCS, however I am independantly testing
their 040 board with 3D Animation software (in particular). If you have
any questions of a technical nature, I am willing to forward your
questions to them for a reply.

--stephen
-- 
Stephen Menzies
Email: menzies@CAM.ORG