On 1/26/07, Colin Percival <cperciva_at_freebsd.org> wrote: > M. Warner Losh wrote: > > On a lark, I just got a combo USB/Firewire external disk drive. I ran > > some crude benchmarks, and I was surprised by what I found. This is > > on a fairly stock -current kernel. > > > > Firewire does around 40MB/s, while USB 2.0 maxes out at about 12MB/s. > > Either amd64 is slower than i386, there has been a performance regression > between 6.2-RELEASE and whatever version of FreeBSD you're running, or you > have a rather slow external drive. I get 25MB/s from my Vantec Nexstar3 > USB 2.0 enclosure: > > http://www.daemonology.net/blog/2006-01-28-vantex-nexstar3.html I've always (since 5.x I think) got 25Mb/s on i386 and half that on amd64, no matter what equipment I try.Received on Fri Jan 26 2007 - 05:43:22 UTC
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