Path: utzoo!mnetor!tmsoft!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!elroy.jpl.nasa.gov!usc!nic.csu.net!csun!kithrup!sef From: sef@kithrup.COM (Sean Eric Fagan) Newsgroups: comp.sys.next Subject: Re: 68040 Math / Why so much system time? Message-ID: <1991Feb17.113656.5876@kithrup.COM> Date: 17 Feb 91 11:36:56 GMT References: <1991Feb14.160749.19048@batcomputer.tn.cornell.edu> <290@rosie.NeXT.COM> <1991Feb15.135340.2808@news.sara.nl> Organization: Kithrup Enterprises, Ltd. Lines: 16 In article <1991Feb15.135340.2808@news.sara.nl> toon@news.sara.nl writes: >Sorts of. Is trapping these instructions really faster than implementing >sin(), cos(), tan() and friends as run time library subroutines to the >(Objective-) C(++) compiler ? I would doubt it. Very good! Perhaps you noticed the comment in this thread, a while ago, about 68040 fp-intensive programs being faster *when recompiled*? Or aren't you aware that there is no easy way to replace a single instruction, e.g., fsin? -- Sean Eric Fagan | "I made the universe, but please don't blame me for it; sef@kithrup.COM | I had a bellyache at the time." -----------------+ -- The Turtle (Stephen King, _It_) Any opinions expressed are my own, and generally unpopular with others.