Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site brl-tgr.ARPA Path: utzoo!watmath!clyde!burl!ulysses!allegra!mit-eddie!genrad!panda!talcott!harvard!seismo!brl-tgr!gwyn From: gwyn@brl-tgr.ARPA (Doug Gwyn) Newsgroups: net.unix,net.unix-wizards Subject: Re: Help Measuring Fork/Exec Overhead Message-ID: <958@brl-tgr.ARPA> Date: Sun, 25-Aug-85 04:57:53 EDT Article-I.D.: brl-tgr.958 Posted: Sun Aug 25 04:57:53 1985 Date-Received: Mon, 26-Aug-85 01:44:23 EDT References: <782@druak.UUCP> <907@brl-tgr.ARPA> <2697@sun.uucp> Organization: Ballistic Research Lab Lines: 6 Xref: watmath net.unix:5468 net.unix-wizards:14560 > ... there's not much point in copy-on-write if the > smallest unit that can be mapped is an entire segment). I don't see that. Most fork()s are almost immediately followed by exec(), so that avoiding the useless copying of data segments still seems like a big win.