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Xref: sserve comp.os.minix:22384 comp.os.386bsd.misc:527 comp.os.386bsd.questions:3371 comp.os.linux:45635 Newsgroups: comp.os.minix,comp.os.386bsd.misc,comp.os.386bsd.questions,comp.os.linux,alt.uu.comp.os.linux.questions Path: sserve!newshost.anu.edu.au!munnari.oz.au!constellation!osuunx.ucc.okstate.edu!moe.ksu.ksu.edu!ux1.cso.uiuc.edu!howland.reston.ans.net!noc.near.net!uunet!magnesium.club.cc.cmu.edu!news.sei.cmu.edu!bb3.andrew.cmu.edu!crabapple.srv.cs.cmu.edu!cmaeda From: cmaeda+@cs.cmu.edu (Christopher Maeda) Subject: Re: Choosing a Unix like OS for a pc Message-ID: <C9E4J4.Fsw.1@cs.cmu.edu> Sender: news@cs.cmu.edu (Usenet News System) Nntp-Posting-Host: ernst.mach.cs.cmu.edu Organization: School of Computer Science, Carnegie Mellon References: <C8wC29.9qq@world.std.com> <201f9p$kkv@klaava.Helsinki.FI> <203s5k$j9u@urmel.informatik.rwth-aachen.de> Date: Tue, 29 Jun 1993 16:01:45 GMT Lines: 33 In article <203s5k$j9u@urmel.informatik.rwth-aachen.de> dak@messua.informatik.rwth-aachen.de (David Kastrup) writes: >torvalds@klaava.Helsinki.FI (Linus Torvalds) writes: > >>In article <C8wC29.9qq@world.std.com> jimr@world.std.com (James A Robinson) writes: > >>To give minix some credit: Bruce Evans told me he was able to recompile >>the kernel in less than one minute if I remember correctly. Of course, >>he has a reasonably fast machine and minix sources are smaller, but the >>main time-saver is that the minix (and coherent) C-compilers are much >>faster than gcc... Not that I would trade the compilers, but if you are >>looking for speed of compilation, minix and coherent both do it faster >>than either linux or 386bsd (at the expense of features and code >>quality). > >And to give another one credit: I believe that the original Oberon system >(windowing OS, OO-variant of Modula-2-compiler...) was able to recompile >itself in the matter of a few seconds. (CPU NS32032 or similar). >Of course this is a minimalistic working environment, nedding only a few >100k in toto. (If I remember right, about 250k, including compiler, >editor and loader). BTW, one of the persons to credit is Niklaus Wirth, >and I've forgotten the name of the other one. What a breakthrough! If you want your kernel to compile twice as fast, use a compiler that's twice as dumb or leave out half the functionality. You guys should write a paper for usenix. -- Chris Maeda, Grad Student and RetroGrouch <cmaeda@cs.cmu.edu> "A unix signature isn't a return address, it's the ASCII equivalent of a black velvet clown painting. It's a rectangle of carets surrounding a quote from a literary giant of weeniedom like Heinlein or Dr. Who."