Re: O(1) scheduler & interactivity improvements

From: Helge Hafting (helgehaf@aitel.hist.no)
Date: Wed Jun 25 2003 - 16:42:48 EST


On Tue, Jun 24, 2003 at 06:41:45PM -0400, Timothy Miller wrote:
>
>
> Helge Hafting wrote:
> >On Mon, Jun 23, 2003 at 01:44:14PM +0100, John Bradford wrote:
> >
> >>Well, no, opaque window moving is fine if the CPU isn't at 100%. If
> >>it is, I'd rather see choppy window movements than have a server
> >>application starved of CPU. That's just my preference, though.
> >>
> >
> >That could be an interesting hack to a window manager -
> >don't start the move in opaque mode when the load is high.
>
> This isn't really an issue if the graphics engine is doing the work and
> the X server doesn't busy-wait on the bitblt to finish (ie. does DMA or
> calls ioctl to sleep until command-fifo-has-free-space interrupt).

The problem isn't window movement, but all the stuff you uncover
forcing repainting all over the place.

Helge Hafting
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