Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!uunet!husc6!hao!oddjob!gargoyle!ihnp4!homxb!homxc!dwc From: dwc@homxc.UUCP (D.CHEN) Newsgroups: comp.arch,comp.unix.wizards,comp.os.misc Subject: Re: 98% in < 2s Message-ID: <1351@homxc.UUCP> Date: Mon, 21-Sep-87 16:47:51 EDT Article-I.D.: homxc.1351 Posted: Mon Sep 21 16:47:51 1987 Date-Received: Wed, 23-Sep-87 02:14:58 EDT References: <1665@ncr-sd.SanDiego.NCR.COM> <8579@utzoo.UUCP> <6886@eddie.MIT.EDU> <692@gumby.UUCP> Organization: AT&T Bell Laboratories, Holmdel Lines: 17 Keywords: cost of bloated programs Xref: mnetor comp.arch:2286 comp.unix.wizards:4393 comp.os.misc:208 > > > Second, another correspondent noted that in ten million process activations > > on his system, 98% took less than two seconds of cpu time. This means that > > loading them was a significant fraction of all the work done in executing > > them. > > It depends. The realtime to vfork/exec something on my machine is > about 0.014s, or 0.7% of 2s. So the data needs to be more complete to > make this conclusion (like how many of them were < 0.1s, where the > loading is 10% of the time). > i would think that this time does not include the time to demand load the pages needed to generate a "prompt" or any such thing that the user is waiting for. danny chen homxc!dwc