Date: Mon, 29 Jun 1998 15:31:57 -0400 (EDT) From: "Ron G. Minnich" <rminnich@Sarnoff.COM> To: Jamie Bowden <jamie@itribe.net> Cc: hackers@FreeBSD.ORG Subject: Re: I2O Message-ID: <Pine.SUN.3.91.980629153037.9399A-100000@terra> In-Reply-To: <Pine.SGI.3.96.980629151541.1819F-100000@animaniacs.itribe.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 29 Jun 1998, Jamie Bowden wrote: > Why is offloading IO a bad idea? Offloading video and 3D rendering work > well, it's what drives 3dfx and it's competitors. Or am I missing > something? My basic understanding of I2O is using a subprocessor to > handle all IO, thus freeing up the main processor from doing things like > waiting on interrupts and the like. 3dfx is not offloading io. It's offloading computation to a special-purpose processor. Offloading IO can be a good thing in some circumstances if done properly. I2O was not. ron To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.SUN.3.91.980629153037.9399A-100000>