Date: Sat, 7 Jun 1997 12:32:34 +0300 (EET DST) From: mika ruohotie <bsdhw@shadows.aeon.net> To: jin@george.lbl.gov (Jin Guojun[ITG]) Cc: craig@gnofn.org, hardware@FreeBSD.ORG Subject: Re: poor memory bandwidth on ABIT IT5H rev 1.5 Message-ID: <199706070932.MAA05112@shadows.aeon.net> In-Reply-To: <199706062204.PAA10932@george.lbl.gov> from "Jin Guojun[ITG]" at "Jun 6, 97 03:04:45 pm"
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> > 60 megs/sec maximum via the naive memory bandwidth benchmark: > > dd if=/dev/zero of=/dev/null bs=1m count=100 > > while 2.2.2 on an Asus mobo (the HX one, t2p4? or something?) > > gives 86 meg/sec by the same benchmark. gigabyte GA586HX512 p200 (both, onboard cache) beasty-boys# dd if=/dev/zero of=/dev/null bs=1m count=100 100+0 records in 100+0 records out 104857600 bytes transferred in 0.783996 secs (133747624 bytes/sec) beasty-boys# pluto# dd if=/dev/zero of=/dev/null bs=1m count=100 100+0 records in 100+0 records out 104857600 bytes transferred in 0.759968 secs (137976328 bytes/sec) pluto# cant be that much faster? (both running 2 weeks old 2.2-STABLE) even intel endeavor fx430 p133 gives (pipeline 512Kb CELP cache): shadows% dd if=/dev/zero of=/dev/null bs=1m count=100 100+0 records in 100+0 records out 104857600 bytes transferred in 0.953357 secs (109987761 bytes/sec) shadows% this is few days old 3.0-CURRENT mickey
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