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000315_owner-lightwav…mail.webcom.com_Fri Aug 18 10:53:28 1995.msg
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Date: Fri, 18 Aug 1995 13:58:15 -0400 (EDT)
From: Ed Hoffmann <ehoffman@iac.net>
To: DanEsmond@aol.com
Cc: lightwave@mail.webcom.com
Subject: Pentium cache size and LW Rendering
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On Wed, 9 Aug 1995 DanEsmond@aol.com wrote:
> (John Sonedecker)
> >> I am using NT 3.51 on a P100 w/ 32 megs ram. Tasking is set for equal
> >> responsiveness and the graphics card is a Diamond Stealth 32 w/ 2 megs
> ram.
Have you done tests with "equal responsiveness" and "back/foreground task
priority"? Ifso, anything interesting?
> ... and if you have a little cash on hand, make sure that the external CPU
> cache on your mother board has been maxed out. My roommate boosted his
> external cache and saw an immediate 30% increase in rendering/modeling
> speed. ( We performed benchmarks before and after putting the new chips in.)
> Cache RAM is WELL worth the cost.
>
> Dan Esmond
I just ordered a P133/16MB/Triton chipset/Diamond Stealh 64 Video 2MB
VRAM. Whan it came time to pick a cache, I went with 512KB, figuring that
rendering time MUST be improved, without any proof (but knowing that a
166 mhz Alpha has 512 KB, and a 233 mhz Alpha needs a 1 MB for "full
speed"). Has anyone got numbers for cache size effects, especially for
the P120/P133 machines, where it may be increasingly important? Thx!
(Obviously under NT WS).
--
Ed Hoffmann <ehoffman@iac.net> sent this message.
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