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RE: Thinkpad upgrades



On Mon, 20 Oct 97 9:49:38 HST, David Ross wrote:

>> >> But what ever happened to Dhrystones and Whetstones?  That's what I typically
>> >> used.
>> >
>> >These are very CPU/FPU intensive, and *not* systemic.  Exactly the kind
>> >of benchmark upgraders use to justify the $400 upgrade cost.
>> >
>> So do you mean they are good or bad?  I am a little confused.
>> 
>Neither good nor bad, just inappropriate for evaluating whole system
>speed.  If your desire for speed is largely to speed up number-crunching
>apps, then these are what you want.  If you're evaluating suitability of
>a system to run Windows 95, then they are very misleading.  The point is
>that whet- and dhrystones mainly measure the speed of the CPU/FPU/cache
>part of the machine, and largely ignore bus, video, and disk speed.
>Thus, they make something like the AMD586 chip - which is fast
>internally, but slow in talking to the rest of the world - look
>artificially good.
>
>- David
>
>
Sounds like the PEP system.  I wish that there was a project
for a suite of free benchmarks for all OSes which could be standard,
though.

Just my 2 cents.

Paul