Path: utzoo!utgpu!watmath!clyde!att!rutgers!galaxy!argus!ken From: ken@argus.UUCP (Kenneth Ng) Newsgroups: comp.arch Subject: Re: Professional Programmers (was: Seeing the future) Summary: convincing scientists of similar functions Message-ID: <1243@argus.UUCP> Date: 29 Nov 88 12:16:10 GMT References: <1984@eos.UUCP> <28200245@mcdurb> <321@taux02.UUCP> Organization: NJ Instit. of Tech: TEIES Project Lines: 22 In article <321@taux02.UUCP>, amos@taux02.UUCP (Amos Shapir) writes: : In article <28200245@mcdurb> aglew@mcdurb.Urbana.Gould.COM writes: : >I am excited because a friend was parallelizing the previously : >best known algorithm (...) and he was obtaining impressive : >speedups : is to change things like cos(atan(x))**2 to 1/(1+x*x) . : The hardest part is convincing the scientists that it does make a difference. Or in my case, convincing someone that taking the absolute value of a squared simple (as opposed to complex) number really makes no sense. : Amos Shapir amos@nsc.com : National Semiconductor (Israel) P.O.B. 3007, Herzlia 46104, Israel Kenneth Ng: Post office: NJIT - CCCC, Newark New Jersey 07102 uucp rutgers!galaxy!argus!ken bitnet(prefered) ken@orion.bitnet -- Kenneth Ng: Post office: NJIT - CCCC, Newark New Jersey 07102 uucp !ihnp4!allegra!bellcore!argus!ken *** NOT ken@bellcore.uucp *** bitnet(prefered) ken@orion.bitnet