Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!rutgers!sri-spam!ames!ucbcad!ucbvax!sdcsvax!ucsdhub!hp-sdd!ncr-sd!crash!gryphon!jdow From: jdow@gryphon.CTS.COM (Joanne Dow) Newsgroups: comp.sys.atari.st,comp.sys.misc,comp.sys.amiga Subject: Re: Weighty instructions Message-ID: <1866@gryphon.CTS.COM> Date: Mon, 12-Oct-87 01:31:32 EDT Article-I.D.: gryphon.1866 Posted: Mon Oct 12 01:31:32 1987 Date-Received: Tue, 13-Oct-87 05:37:53 EDT References: <1138@water.waterloo.edu> <2452@cbmvax.UUCP> <7422@e.ms.uky.edu> <90@piring.cwi.nl> Reply-To: jdow@gryphon.CTS.COM (Joanne Dow) Organization: Wizardess Designs Lines: 27 Xref: mnetor comp.sys.atari.st:5638 comp.sys.misc:924 comp.sys.amiga:9301 In article <90@piring.cwi.nl> steven@cwi.nl (Steven Pemberton) writes: >In article <7422@e.ms.uky.edu> david@ms.uky.edu (David Herron) writes: >> what is needed is a way of weighting the instructions on various >> processors against some absolute scale. then you could [...] have a >> really useful measure. > >Well, surely this is the purpose of the Dhrystone benchmark. Of >course, the quality of the compiler distorts the figure, but at least >you get a reasonable figure with which to compare machines. For >instance, a 8MHz 68000 is around 900 dhrystones, a VAX 780 is around >1500, a 20MHz 414 transputer around 3300, a 25Mhz 68020 around 6000, >and so on. > Trevor Marshall tested one of his 68020/68881 plugins for the PC at 35MHz. That baby turned out over 7000 dhrystones. Eat hot bytes 80386! >Steven Pemberton, CWI, Amsterdam; steven@cwi.nl -- <@_@> BIX:jdow INTERNET:jdow@gryphon.CTS.COM UUCP:{akgua, hplabs!hp-sdd, sdcsvax, ihnp4, nosc}!crash!gryphon!jdow Remember - A bird in the hand often leaves a sticky deposit. Perhaps it was better you left it in the bush with the other one.