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From: j@narcisa.sax.de (J Wunsch)
Newsgroups: comp.os.386bsd.questions,comp.unix.bsd.freebsd.misc
Subject: Re: Kernel rebuild times (was Re: Suggestion on recompiling kernel)
Date: 13 Mar 1995 01:25:35 +0100
Organization: Private U**x site, Dresden.
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Message-ID: <3k03dv$ae9@bonnie.tcd-dresden.de>
References: <3jm3eb$dkl@news.bu.edu> <MICHAELV.95Mar8223323@MindBender.HeadCandy.com> <3jocmf$fja@everest.dtr.com> <3jothe$oja@gate.sinica.edu.tw>
Reply-To: joerg_wunsch@uriah.heep.sax.de
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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.
--
cheers, J"org private: joerg_wunsch@uriah.heep.sax.de
http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)