Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!rpi!bu.edu!att!cbnewsl!cbnewsk!lih From: lih@cbnewsk.att.com (andrew.a.lih) Newsgroups: comp.benchmarks Subject: Re: bc results (Coherent slams an IBM 3090) Summary: Coherent beats a mainframe... Keywords: Beat this...I beat it Message-ID: <1990Dec6.230423.13969@cbnewsk.att.com> Date: 6 Dec 90 23:04:23 GMT References: <1990Dec6.133344.2544@cs.utk.edu> <3083@uc.msc.umn.edu> Organization: AT&T Bell Laboratories Lines: 35 In article <3083@uc.msc.umn.edu>, ken@ab.msc.umn.edu (Ken Chin-Purcell) writes: > An IBM 3090 600 Model J, running AIX MP: > > sg> echo 2^5000/2^5000 | /bin/time bc > 1 > > real 1.9 > user 1.7 > sys 0.0 > > World's fastest 'bc' machine? Not quite, my AT&T 6386/25Mhz running Coherent wallops it: Real: 0.3 User: 0.1 Sys: 0.1 Anyone care to explain this? My guess is that Mark Williams Co. who puts out Coherent really tweaked something! Results for 2.1^5000/2^5000 were quick as well: Real: 1.3 User: 1.1 Sys: 0.1 The same hardware running AT&T SystemV/386 v3.2.2 got: Real: 16.6 User: 16.3 Sys: 0.0 Andrew Lih AT&T Bell Laboratories (lih@probe.att.com)