Subject: Re: RAW access to files
To: None <firstname.lastname@example.org>
From: Thor Lancelot Simon <email@example.com>
Date: 12/13/2001 10:22:27
On Thu, Dec 13, 2001 at 04:20:16PM +0100, Wojciech Puchar wrote:
> > > userspace (NO MEMCPY)
> > Yes. But it also means no readahead, because there's nowhere to _put_
> > the readahead. (Unless the application provides such a place, which we
> with modern disk (which does readahead in hardware) or/and large blocks
> it's no difference.
Oh, yeah, silly me, I forgot! The SCSI bus is *at least* as fast as the
memory bus, and has *much* less command latency.