Xinerama infrastructure

[Benjamin Herrenschmidt]

On Mon, 2004-02-16 at 22:56, Roland Mainz wrote:
> Benjamin Herrenschmidt wrote:
> > > (to be fair, on certain cards, in my specific case the matrix g400,
> > > xinerama is indeed as slow as molasses, for as yet unknown reasons -
> > > although it's nice to know that it's tied only to certain cards, and
> > > not the entire universe :)
> > 
> > I suspect the biggest reason is that by having 2 outputs, you
> > double the load on the card's bus, thus slowing down everything
> 
> ... and I guess the rendering is done sequencial and not in parallel...

You would need 2 engines for that...

Ben.