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- Path: sparky!uunet!haven.umd.edu!darwin.sura.net!jvnc.net!newsserver.jvnc.net!newsserver.technet.sg!nuscc!nusunix2.nus.sg!isc10085
- From: isc10085@nusunix1.nus.sg (NG YENG YONG)
- Subject: Re: SRAM cache vs cache
- Message-ID: <1993Jan11.102722.13113@nuscc.nus.sg>
- Sender: usenet@nuscc.nus.sg
- Organization: National University of Singapore
- X-Newsreader: TIN [version 1.1 PL6]
- References: <palane.726703117@pv7426.vincent.iastate.edu>
- Date: Mon, 11 Jan 1993 10:27:22 GMT
- Lines: 24
-
- Paul A. Lane (palane@iastate.edu) wrote:
- : With the various discussion about the PC Magazine reviews, I looked a
- : bit more closely at the company/product profiles. Specifically, I was
- : looking for differences between the Tri-Star and Gateway machines which
- : might cause a difference in performance. [An aside here. The Gateway
- : 2000 uses a Western Digital hard drive while Tri-Star use a Maxtor.
- : This might explain part of the difference.]
- :
- : When examining the cache, I noted that the Tri-Star has a 256K cache,
- : while the Gateway uses a 64K SRAM cache. When I started looking at
- : other vendors, I noticed that many had a cache of a given size while
- : others used an SRAM cache.
- :
- : I'm a bit curious. I know that the primary requirement for a memory cache
- : is that its rated speed must be less than the recipricol of the clock
- : speed (e.g., 25MHz needs 40ns memory,). I wasn't aware that any kind of
- : memory except for static RAM (SRAM) was capable of this kind of performance.
- :
- : So, here's the question. Is there any differene between a cache using SRAM
- : or one which doesn't (assuming identical size and design otherwise)?
- :
- : Paul Lane
- :
- :
-