Re: Interesting speed benchmarks

From: Alexey Karagodov <karagodov_at_gmail.com>
Date: Fri, 26 Jan 2007 13:00:40 +0300
what manufacturer says about usb speeds?
that is the question


2007/1/26, Stefan Ehmann <shoesoft_at_gmx.net>:
>
> On Friday 26 January 2007 03:24, 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.
> > This is with a simple dd command:
>
> On my i386 notebook with USB 2.0 enclosure.
> Linux: 31.5MB/s
> FreeBSD: 27.5MB/s
>
> There's still room for improvement but numbers don't seem that bad.
>
> Maybe you should try knoppix or so to verify it's not the drive's fault.
> Other
> than that I'd also guess it's an amd64 problem.
>
> Stefan
> _______________________________________________
> freebsd-current_at_freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-current
> To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org"
>
Received on Fri Jan 26 2007 - 09:00:42 UTC

This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:39:05 UTC