Message-ID: <3EF8D3A9.4040109@techsource.com>
Date: Tue, 24 Jun 2003 18:41:45 -0400
From: Timothy Miller <miller@techsource.com>
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To: Helge Hafting <helgehaf@aitel.hist.no>
CC: John Bradford <john@grabjohn.com>, felipe_alfaro@linuxmail.org,
       linux-kernel@vger.kernel.org
Subject: Re: O(1) scheduler & interactivity improvements
References: <200306231244.h5NCiE1Q000920@81-2-122-30.bradfords.org.uk> <20030623163234.GA1184@hh.idb.hist.no>
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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).

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