Path: utzoo!attcan!uunet!jarthur!usc!snorkelwacker!ira.uka.de!smurf!gopnbg!tpki!marten From: marten@tpki.toppoint.de (M.Feldtmann) Newsgroups: comp.sys.atari.st.tech Subject: Re: Floating Pt. Math with a 68881 not always faster Message-ID: <1535@tpki.toppoint.de> Date: 4 Sep 90 07:11:50 GMT References: <8379@ncar.ucar.edu> Lines: 19 In article <8379@ncar.ucar.edu> moses@hao.ucar.edu (Julie Moses) writes: > While more complex math functions, such as transcendentals and >square root really show a speed increase, adding or multiplying two >floating point numbers do not show any speed increase over just Amazing! Of course, for '+' oder '-' there will be no much speed increase (because of the data-transfer via supervisor-mode) , but for '*' oder '/' you should expect at least a factor of about 2. Perhaps the library is not so good?? Marten Marten Feldtmann, Eckernfoerder Str.83, 2300 Kiel 1, West-Germany DNET/EUNET/USENET/SUBNET: marten@toppoint.de Please keep your replies short - I have to pay for them