From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,703c4f68db81387d X-Google-Thread: 115aec,703c4f68db81387d X-Google-Thread: f43e6,703c4f68db81387d X-Google-Thread: 108717,a7c8692cac750b5e X-Google-Attributes: gid103376,gid115aec,gidf43e6,gid108717,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news3.google.com!news.glorb.com!newscon02.news.prodigy.com!newscon06.news.prodigy.com!prodigy.net!newsfeed-00.mathworks.com!nntp.TheWorld.com!not-for-mail From: Robert A Duff Newsgroups: comp.lang.ada,comp.realtime,comp.software-eng,comp.programming Subject: Re: 10 rules for benchmarking (was Re: Teaching new tricks to an old dog (C++ -->Ada)) Date: 14 Mar 2005 15:41:40 -0500 Organization: The World Public Access UNIX, Brookline, MA Message-ID: References: <4229bad9$0$1019$afc38c87@news.optusnet.com.au> <112t3de6fu04f38@corp.supernews.com> <1110396477.596174.285520@o13g2000cwo.googlegroups.com> <112vb2t8eonuhed@corp.supernews.com> <1110422108.925127.54110@o13g2000cwo.googlegroups.com> <11329cb96h2p19f@corp.supernews.com> <113394jjvppao64@corp.supernews.com> <1133s3qnmqmbjfb@corp.supernews.com> <17cd177c.0503140735.2f59ff8f@posting.google.com> <113bebt2e0u6835@corp.supernews.com> NNTP-Posting-Host: shell01-e.theworld.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: pcls4.std.com 1110832902 18656 69.38.147.31 (14 Mar 2005 20:41:42 GMT) X-Complaints-To: abuse@TheWorld.com NNTP-Posting-Date: Mon, 14 Mar 2005 20:41:42 +0000 (UTC) User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 Xref: g2news1.google.com comp.lang.ada:9390 comp.realtime:1471 comp.software-eng:5037 comp.programming:17949 Date: 2005-03-14T15:41:40-05:00 List-Id: CTips writes: > Gautier wrote: > > CTips: > > > >>He's done it right: > >> - he's running them on a Linux machine, which is more accurate than > >> cygwin for measuring performance (and where sys/user really mean > >> something). Why is that? When I use cygwin, the sys/user times indeed seem completely bogus. Are these impossible to measure on windows? If that were true, why wouldn't it always print 0 or something? The cygwin 'time' command is obviously trying to measure *something* with these numbers. - Bob