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From: michaelv@MindBender.HeadCandy.com (Michael L. VanLoon)
Newsgroups: comp.os.386bsd.questions,comp.unix.bsd.freebsd.misc
Subject: Re: Kernel rebuild times (was Re: Suggestion on recompiling kernel)
Date: 17 Mar 1995 04:26:40 GMT
Organization: HeadCandy Associates... Sweets for the lobes.
Lines: 30
Message-ID: <MICHAELV.95Mar16202647@MindBender.HeadCandy.com>
References: <3jm3eb$dkl@news.bu.edu> <MICHAELV.95Mar8223323@MindBender.HeadCandy.com>
<3jocmf$fja@everest.dtr.com> <3jothe$oja@gate.sinica.edu.tw>
<3k03dv$ae9@bonnie.tcd-dresden.de>
NNTP-Posting-Host: mindbender.seanet.com
In-reply-to: j@narcisa.sax.de's message of 13 Mar 1995 01:25:35 +0100
In article <3k03dv$ae9@bonnie.tcd-dresden.de> j@narcisa.sax.de (J Wunsch) writes:
Brian Tao <taob@gate.sinica.edu.tw> wrote:
>Both machines take about 25 minutes to rebuild their respective kernels
>for their respective hardware. One machine is a 486DX2/66 with an ISA
>bus and an AHA-1542C SCSI controller with a Quantum Lightning 540S. The
>other is a 486DX4/100 with a PCI SC-200 controller and Quantum Empire
>1080S. The kernel configs are identical except for the SCSI controller
>and PCI drivers. Yet both have rebuild times within one or two minutes
>of the other. I would have expected the 100-MHz PCI box to be
>substantially faster. If it ain't the CPU or the bus or the disk, then
>what affects compilation time?
Memory size? Cache RAM size?
Our i586/90 takes about ten minutes (or less) to rebuild a FreeBSD
1.1.5.1 kernel, but it has 64 MB of RAM.
Including "make depend"? I get a P66 w/32MB to do it in about 18
minutes (including make depend) with NetBSD-1.0.
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Michael L. VanLoon michaelv@HeadCandy.com
--< Free your mind and your machine -- NetBSD free un*x >--
NetBSD working ports: 386+PC, Mac, Amiga, HP300, Sun3, Sun4, PC532,
DEC pmax (MIPS R2k/3k), DEC/AXP (Alpha)
NetBSD ports in progress: VAX and others...
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