Path: utzoo!attcan!uunet!husc6!think!ames!amdahl!sri-unix!quintus!ok From: ok@quintus.UUCP (Richard A. O'Keefe) Newsgroups: comp.unix.wizards Subject: Re: When did paging get into System V Message-ID: <974@cresswell.quintus.UUCP> Date: 14 May 88 09:13:24 GMT References: <53@lazlo.UUCP> <142700033@occrsh.ATT.COM> <651@pyuxe.UUCP> <7878@brl-smoke.ARPA> Organization: Quintus Computer Systems, Mountain View, CA Lines: 9 In article <7878@brl-smoke.ARPA>, gwyn@brl-smoke.ARPA (Doug Gwyn ) writes: > In article <382@cloud9.UUCP> bob@cloud9.UUCP (Bob Toxen) writes: > >About five years after Berkeley came out with it! > > So? Performance tests showed no significant performance advantage of > demand paging over the then-current UNIX System V scheme of partial swapping. Letting 5 users run 3Mbyte programs on a Vax with only 4Mbytes isn't a significant performance advantage? Not fast, true, but at least _possible_.