Date: Wed, 3 Mar 1999 16:30:15 -0600 From: Chris Costello <chris@holly.dyndns.org> To: Sheldon Hearn <sheldonh@iafrica.com> Cc: freebsd-current@freebsd.org Subject: Re: ata1: unwanted interrupt Message-ID: <19990303163015.A930@holly.dyndns.org> In-Reply-To: <73399.920499824@axl.noc.iafrica.com>; from Sheldon Hearn on Thu, Mar 04, 1999 at 12:23:44AM %2B0200 References: <19990303160619.A705@holly.dyndns.org> <73399.920499824@axl.noc.iafrica.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Mar 3, 1999, Sheldon Hearn put this into my mailbox:
>
>
> On Wed, 03 Mar 1999 16:06:19 CST, Chris Costello wrote:
>
> > After having CVSupped to the latest 4.0-CURRENT tree
> > (just now), I noticed the amazing speed of the new ATA driver.
>
> The amazing speed of the new ATA driver? Were you using 32 bit transfers
> and multi-sector IO with the older driver?
>
> I assumed from the benchmarks posted that I had no reason to feel
> alarmed about the fact that the new driver offered no tangible
> performance increase.
>
> My understanding was that we'd "feel it" when DMA transfers were enabled
> for those drives that support them.
>
> Am I confused (yet again)?
Yes ;-)
I mean the time it takes to actually detect the drive. I
haven't really tested out the driver for actual
seek/read/write speed yet (but it might be a fun thing to try out
one of these days).
>
> Ciao,
> Sheldon.
>
-Chris
--
Powered by FreeBSD 4.0-CURRENT. "The Power to Serve!"
int main(int m){main(!main(0));}
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19990303163015.A930>