Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!usc!apple!baum
From: baum@Apple.COM (Allen J. Baum)
Newsgroups: comp.arch
Subject: Re: Alignment on RS/6000
Message-ID: <46760@apple.Apple.COM>
Date: 21 Nov 90 20:46:46 GMT
References: <AGLEW.90Nov19234534@lasso.crhc.uiuc.edu> <893@sibyl.eleceng.ua.OZ> <KHB.90Nov21122149@chiba.Eng.Sun.COM>
Reply-To: baum@apple.UUCP (Allen Baum)
Organization: Apple Computer, Inc.
Lines: 15

[]
In article <893@sibyl.eleceng.ua.OZ> ian@sibyl.eleceng.ua.OZ (Ian Dall) writes:
>
>   In a similar vein, how many people have been caught by a floating point
>   program taking "forever" on a sparc (no doubt othe machines as well)
>   because it was spending all it's time doing NaN and Inf exception
>   handling?

Its always been my impression that NaN, Inf, and Denorms were reasonably
rare- they don't usually occur. Is this not the case? Are there statistics
somewhere that show how often these cases occur?

--
		  baum@apple.com		(408)974-3385
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