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Article #11680Re: Amdahl's Rule
From: Patrick L. Wigen
Date: Sun, 19 May 1991 02:51
Date: Sun, 19 May 1991 02:51
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1390 bytes
In article <48qO01yL75GS00@amdahl.uts.amdahl.com> terry@uts.amdahl.com (Lewis T. Flynn) writes: >There was a discussion in this group recently concerning Amdahl's Rule ... >I guess the most useful thing to conclude from this is that the first >rule of processor design is "Know Thy Workload". The second most useful >thing is that there's no substitute for lots of research and >measurement. > >Terry I do alot of work with many different systems mostly workstations lately and whiel most people recommend roughly following Amdahl's rule (and are probably not aware of it) I have noticed that doubling that figure is usually most efficient. For example a Decstation 3100 that runs at ~12-14 MIPS running decwindows (X) runs much better with 24 MB of memory than the usual recommendation of 16 MB. This is just a casual observation hoewever and is not based on emperical data. Patrick L. Wigen wigen @netcom.com no .sig yet.......
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From: wigen@netcom.COM (Patrick L. Wigen)
Newsgroups: comp.arch
Subject: Re: Amdahl's Rule
Message-ID: <1991May19.025126.24526@netcom.COM>
Date: 19 May 91 02:51:26 GMT
References: <48qO01yL75GS00@amdahl.uts.amdahl.com>
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