Article View: comp.sys.ibm.pc.hardware.chips
Article #700Re: Cache question..
From: Hans Lindberg
Date: Wed, 24 Jan 1996 00:00
Date: Wed, 24 Jan 1996 00:00
38 lines
2349 bytes
2349 bytes
wluther@mindspring.com (J. Wade Luther) writes:
>d
>>chuckf@charm.net (Chuck Frain) writes:
>>>I
[ZAP]
>>the cache with bytes that will only be used once? Couldn't this mean that
>>the performance would depend greatly upon the number of threads/processes
>>that are running and using CPU time? In that case Win95 could possibly
>>suffer less than Win3.1 from too large cache, and WinNT even less, at
>>least when under a fair load. Just me guessing, please enlighten us
>>if you REALLY know about computers and OS internals, ANYONE.
>>Hans Lindberg, Phone: +46-31-183151 Mobile: +46-70-7813996
>>EMail: d7hansl@dtek.chalmers.se
>OK, when you have 256 K of cache you have 8 32K SRAM chips(8*32=256)
>in 2 banks, with each bank having 4 chips...when you have 512K you
>have 4 128K SRAM chips(4*128=512) in one bank...the access to the
>motherboard is faster for the 256K configuration because the
>motherboard can do bank interleaving...it can't do this with the 512K
>configuration because all the SRAM is in one bank...the end result is
>that 512K, which costs a lot more, offers only a slight increase in
>performance
Is this true for Pipelined Burrt Cache as well?
-
Hans Lindberg, Phone: +46-31-183151 Mobile: +46-70-7813996
EMail: d7hansl@dtek.chalmers.se
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 11196f,6ce07d8b414b48e1 X-Google-Attributes: gid11196f,public X-Google-Thread: 109e38,6ce07d8b414b48e1 X-Google-Attributes: gid109e38,public X-Google-Thread: 1036bc,6ce07d8b414b48e1 X-Google-Attributes: gid1036bc,public X-Google-Thread: 1045b9,6ce07d8b414b48e1 X-Google-Attributes: gid1045b9,public From: d7hansl@dtek.chalmers.se (Hans Lindberg) Subject: Re: Cache question.. Date: 1996/01/24 Message-ID: <4e3u6g$bhs@nyheter.chalmers.se> X-Deja-AN: 136030654 references: <30f80e73.896741@news.innotts.co.uk> <4d9toe$99q@brickbat.mindspring.com> <4dbae0$j4a@canton.charm.net> <4dm3su$3cl@nyheter.chalmers.se> <4e1851$kts@brickbat.mindspring.com> organization: Chalmers univ. of Technology newsgroups: comp.sys.ibm.pc.hardware.chips,comp.sys.ibm.pc.hardware.misc,comp.sys.ibm.pc.hardware.systems,demon.tech.pc