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Date:         Mon, 15 Apr 1996 16:28:24 GMT
Reply-To:     stow@SKYFOX.USASK.CA
Sender:       "SAS(r) Discussion" <SAS-L@UGA.CC.UGA.EDU>
From:         stow@SKYFOX.USASK.CA
Organization: University of Saskatchewan
Subject:      Re: Pentium or Pentium Pro system

In a previous article, "Li-Ping Yuan (403)422-1927" <YUAN@ENR.GOV.AB.CA> wrote: >Is there a significant performance difference between Pentium and >Pentium Pro systems for SAS? Any other comments on comparing the two? > >TIA > >Li-Ping Yuan >Alberta Geological Survey

About all I can say is that SAS 6.10 with Windows for WorkGroups 3.11 runs at about the same speeds on a Pentium 133 with 512 KB external cache as it does on a Pentium Pro 150 (with 256 KB built in cache). And no, the Pentium 133's larger cache probably doesn't help it much: the test data sets were so large that caches were probably not of much help to either cpu. The caches would only help if they could prevent cached instructions from being overwritten by data as the data sets were processed.

However, if you use a 32 bit OS (such as OS/2 or NT ) and a 32 bit version of SAS made for that OS I am sure that the Pentium Pro would significantly outperform a Pentium of the same speed running the same OS and the same version of SAS.


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