Date: Tue, 22 Feb 2000 14:56:01 +0100 (CET) From: "O. Hartmann" <ohartman@ipamzlx.physik.uni-mainz.de> To: freebsd-questions@freebsd.org Subject: How fast ist FBSD 4.0 really? Message-ID: <Pine.BSF.4.10.10002221444590.344-100000@ipamzlx.physik.uni-mainz.de>
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Hello out there ... made it! Last two nights I brought up our two servers to FBSD 4.0. It was horrible but it works! Now I have some questions about speed of FBSD 4.0. Our two machines are quite small. One, our central system, is a duel PII/350MHz with 256 MBytes of RAM and SCSI (LVD). The other machine is a AMD K6-2 500 MHz and 128 MByets of RAM. First step after successfully installation of the new OS was to build a new system via cvsupdated sources. And here a big question sign occurs! FreeBSD 3.4 took about 250MByets of diskspace and FBSD 4.0 takes slighty more, I think (it's about nearly 300 Mbytes). Compiling of the FBSD 3.4 source tree took 1 h 10 m on the dual PII, 1 h 40 m on AMD K6/500. Now compiling of sources take 2h 40m on dual PII/350 and 2h 50m on AMD K6/500. On the PII machine I use make -j8 world , on AMD make -j4 world (as recommended in 3.4). Why is the single chip machine that fast in comparison to the dual chip machine? Why is SMP not that effective as I expected it to be? Well ... questions ... It seems to be better suited using a 500 MHz single chip machine than a dual chip machine. Or is anything to mention about how to use and compile FBSD 4.0? The obviously faster machine is not much faster than the low equipted machine I think and I'm right if I go and compare both. Does anyone know how the option mpentiumpro affects speed on the PII/350 and -mpentium on AMD K6-2/500? Has anyone any idea what has been done regarding to SMP in the new FBSD 4.0? Gruss O. Hartmann ------------------------------------------------------------------- ohartman@ipamzlx.physik.uni-mainz.de Klimadatenserver des IPA, Universitaet Mainz Netzwerk- und Systembetreuung To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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