Re: Weighty instructions

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Article #28660

#28660

From: Joanne Dow
Date: Mon, 12 Oct 1987 05:31

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In article <90@piring.cwi.nl> steven@cwi.nl (Steven Pemberton) writes:
>In article <7422@e.ms.uky.edu> david@ms.uky.edu (David Herron) writes:
>> what is needed is a way of weighting the instructions on various
>> processors against some absolute scale.  then you could [...] have a
>> really useful measure. 
>
>Well, surely this is the purpose of the Dhrystone benchmark. Of
>course, the quality of the compiler distorts the figure, but at least
>you get a reasonable figure with which to compare machines. For
>instance, a 8MHz 68000 is around 900 dhrystones, a VAX 780 is around
>1500, a 20MHz 414 transputer around 3300, a 25Mhz 68020 around 6000,
>and so on.
>
Trevor Marshall tested one of his 68020/68881 plugins for the PC at 35MHz.
That baby turned out over 7000 dhrystones. Eat hot bytes 80386!

>Steven Pemberton, CWI, Amsterdam; steven@cwi.nl


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From: jdow@gryphon.CTS.COM (Joanne Dow)
Newsgroups: comp.sys.atari.st,comp.sys.misc,comp.sys.amiga
Subject: Re: Weighty instructions
Message-ID: <1866@gryphon.CTS.COM>
Date: Mon, 12-Oct-87 01:31:32 EDT
Article-I.D.: gryphon.1866
Posted: Mon Oct 12 01:31:32 1987
Date-Received: Tue, 13-Oct-87 05:37:53 EDT
References: <1138@water.waterloo.edu> <2452@cbmvax.UUCP> <7422@e.ms.uky.edu> <90@piring.cwi.nl>
Reply-To: jdow@gryphon.CTS.COM (Joanne Dow)
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