Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!sdd.hp.com!news.cs.indiana.edu!noose.ecn.purdue.edu!dirac!gibbs.physics.purdue.edu!trs From: trs@gibbs.physics.purdue.edu (Thomas R. Statnick) Newsgroups: comp.unix.wizards Subject: Re: ccpu Message-ID: <4947@dirac.physics.purdue.edu> Date: 21 Apr 91 02:46:50 GMT References: <115829.28580@timbuk.cray.com> <16226.280f85ed@levels.sait.edu.au> Sender: news@dirac.physics.purdue.edu Organization: Purdue University Physics Department Lines: 15 In article <16226.280f85ed@levels.sait.edu.au> xtdn@levels.sait.edu.au writes: >Ray.Moody@Cray.Com writes: >> Ccpu is used compute a processes percent CPU utilization. It is a >> constant traditionally set to exp(-1/20). It is unusual in that it is >> one of the very few floating point numbers in the kernel. > >Or did you mean that ccpu is one of the few floating point constants in >the kernel? If you read the last sentence of what Ray said, that is *exactly* what he *is* saying. Ccpu is unusual in that it *is* one of the very few floating point numbers kept in the kernel (to paraphrase). trs