Xref: utzoo comp.sys.ibm.pc.hardware:6974 comp.binaries.ibm.pc.d:13347
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!jarthur!nntp-server.caltech.edu!antonyc
From: antonyc@nntp-server.caltech.edu (Antony Chan)
Newsgroups: comp.sys.ibm.pc.hardware,comp.binaries.ibm.pc.d
Subject: Re: Confused about mips, SI rating, and my computer!
Message-ID: <1991Mar28.084929.1169@nntp-server.caltech.edu>
Date: 28 Mar 91 08:49:29 GMT
References: <1991Mar28.045507.3905@nmt.edu>
Organization: California Institute of Technology, Pasadena
Lines: 25

wasnsr@nmt.edu (T.O.R.S.O.) writes:


>	I jusr ran the mips program recently posted to comp.binaries.ibm.pc on my ACMA 386 20MHz, and the values it gave don't seem correct.

>	Benchmark Perf 	   Ibm pc    Ibm AT  Compaq	Actual
>	relative to ->	    4.7Mhz   8Mhz     386       MIPS
>	------------------------------------------------------
>	General Instruc	    8.40     2.44     1.23   :   1.39
>	Integer Instruc     18.49    2.89     1.27   :   3.11
>	Memory to Memory    7.51     2.31     1.29   :   1.79
>	Regis to Regis	    22.00    2.86     1.20   :   3.96
>	Regis to Memory     7.90     2.37     1.31   :   2.43

>	Overall Perfor	    10.62    2.56     1.26   :   2.54


>	Now, following the numbers, I am assuming that the lower the number the better.  If this is so, am I wrong in assuming that a 386 20MHz should beat an Ibm AT (8MHz) in every category.

i'm not an expert on this, but the way i read these numbers is that
they tell you how many times faster than the computer at the top of
the list is, i.e. in the category of general instuructions, your 
machine is 8.40 times as fast as a pc, 2.44 times as fast as an at,
and 1.23 times as fast as a compaq 386, and you have an actual mips
rating of 1.39.  so bigger numbers are better.