From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by vger.rutgers.edu via listexpand id ; Mon, 31 May 1999 03:11:07 -0400 Received: by vger.rutgers.edu id ; Mon, 31 May 1999 01:09:38 -0400 Received: from mailhost.uni-koblenz.de ([141.26.64.1]:38176 "EHLO mailhost.uni-koblenz.de") by vger.rutgers.edu with ESMTP id ; Sun, 30 May 1999 21:11:47 -0400 Date: Mon, 31 May 1999 04:14:37 +0200 From: Ralf Baechle To: "Vilain, Sam" Cc: "'Jim Mostek'" , linux-kernel@vger.rutgers.edu Subject: Re: XFS and journalling filesystems Message-ID: <19990531041437.C672@uni-koblenz.de> References: <76D8782817C5D211A37400104B0C84B029C52F@nz-wlg-exch-1.nz.unisys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.95.4us In-Reply-To: <76D8782817C5D211A37400104B0C84B029C52F@nz-wlg-exch-1.nz.unisys.com>; from Vilain, Sam on Sat, May 29, 1999 at 06:48:19AM -0400 X-Accept-Language: de,en,fr Sender: owner-linux-kernel@vger.rutgers.edu On Sat, May 29, 1999 at 06:48:19AM -0400, Vilain, Sam wrote: > As a dangerous rule of thumb, LOC ~ code size. More code size = bigger > kernel = less (buffercache|user memory). This is a fear of Linux > kernel developers - Linux ending up as slow as say, Solaris on low end > machines (even if it kicks butt on 6144-way SMP). Nobody builds 6144-way SMPs, not Sun nor somebody else. The SMP paradigm just doesn't scale that far. > Numbers are often good in arguments like this. ie, how big is the ext2fs > module under Linux/MIPS, compared to the xfs module under Irix? [Comparing > with Linux/i386 should probably be avoided, because i386 code is (generally) > more instructions/word, even if you need a few extra million transistors to > decode it :)]. [ralf@lappi linux-sgi]$ mips-linux-size fs/ext2/ext2.o text data bss dec hex filename 60080 496 1024 61600 f0a0 fs/ext2/ext2.o [ralf@lappi linux-sgi]$ The archive /usr/cpu/sysgen/IP22boot/xfs.a of IRIX 6.2 has in total a .text size of 274864. That's 32 bit code btw. Ralf - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/