[geeks] nVidia 8800GT for Apple Mac Pro

[Mike Meredith]

On Wed, 21 May 2008 14:44:26 -0400, Joshua Boyd wrote:
> On Wed, May 21, 2008 at 07:17:50PM +0100, Mike Meredith wrote:
> > Thinking from a position of ignorance, wouldn't using Spaces lower
> 
> I suspect that you are thinking that windows on another space are
> purged from the GPU memory.  If they did that than switching spaces
> would be rather sluggish, so I suspect that all windows stay on the
> GPU regardless of what space they are showing on.

More or less, although doing the equivalent under X (which definitely
doesn't keep windows contents in the GPU) seems pretty much as snappy.
Of course I'm glossing over the effect of "please redraw your windows
now please" which is how (I think) X handles off-screen windows.

I was really looking at the symptoms rather than how Quartz is
implemented ... debugging without the source code. Funny how often I
get to do that ...

"It's the server"
"Maybe. We'll give you a bigger server, but can you look at the
application at the same time?"

(repeat for several years)

"Oh look! They've given us the source code ..."
"... and it's effectively single-threaded _here_"
[clickety-click]

"Oh look! We can now have 100 times as many users."


-- 
Mike Meredith (http://zonky.org/)
'I have always wished for my computer to be as easy to use as my
 telephone; my wish has come true because I can no longer figure out
how to use my telephone." --- Bjarne Stroustrup