X-Windows Performance, or lack there of?

Bijan Parsia bparsia at email.unc.edu
Tue Nov 16 00:29:41 UTC 1999


At 6:51 PM -0500 11/15/99, John M McIntosh wrote:

>Ok, a friend of mine has an Alpha, running Squeak, he is displaying the
>X-Window head on his 450MHz Windows NT box. The Alpha has a load of 1.48. He
>is using Exceed as the X-Terminal Server on his NT box.
>
>His complaint is:
>
>> Start Squeak.  Wait for screen to fully refresh.  Then choose menu item
>"refresh display".  It takes eight seconds to refresh.  I can watch the
>browsers redraw.
>
>Ah, this seems excessive? I've seen lots of comments about X-Windows
>servers, accelerators etc float past in the last few months, without having
>too much of a need, but now of course I've a friend with a question....
>
>Why so long and how can he fix it?

I believe "so long" because Squeak is blast bitmaps, and perhaps not too
carefully (though I understand X isn't too good that that).

>From what I've heard, using VNC gives much better results.

Cheers,
Bijan Parsia.





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