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From: chris@mimsy.UUCP (Chris Torek)
Newsgroups: comp.sys.misc
Subject: Re: Weighty instructions (really Dhrystones)
Message-ID: <8999@mimsy.UUCP>
Date: Wed, 14-Oct-87 07:26:35 EDT
Article-I.D.: mimsy.8999
Posted: Wed Oct 14 07:26:35 1987
Date-Received: Fri, 16-Oct-87 00:06:34 EDT
References: <1138@water.waterloo.edu> <2452@cbmvax.UUCP> <7422@e.ms.uky.edu> <156@PT.CS.CMU.EDU>
Organization: U of Maryland, Dept. of Computer Science, Coll. Pk., MD 20742
Lines: 14

In article <156@PT.CS.CMU.EDU> ralf@B.GP.CS.CMU.EDU (Ralf Brown) writes:
>... ~7000 dhrystones with ... the Green Hills C 386 compiler.

Be careful with these numbers.  A *really good* optimising compiler
will reduce Dhrystone to two `time' system calls and one bit of
arithmetic and a printf: approximately infinity dhrystones.  The
Green Hills compilers are not *that* good (yet?), but they are
good.

<insert story about FORTRAN optimiser that reduced a benchmark to
`print 3.1415926...'>
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7690)
Domain:	chris@mimsy.umd.edu	Path:	uunet!mimsy!chris