X/vncviewer speed issue

Quentin Stafford-Fraser quentin "at" orl.co.uk
Wed, 18 Mar 1998 21:35:29 +0000

It's also worth trying solid-window dragging eg. by setting OpaqueMove for
twm.  When the client can do local rectangle copying, this can be faster
than dragging the outline.


-----Original Message-----
From: Roman Mitnitski <mitnits "at" macs.biu.ac.il>
To: vnc-list "at" orl.co.uk <vnc-list "at" orl.co.uk>
Date: 18 March 1998 20:52
Subject: X/vncviewer speed issue

>  Hi there.
> I was playing around with running X vncviewer on the same
>workstation that was running the vnc server (so that network delays won't
>count for pure performance), and at first vncviewer performed pretty bad
>when I dragged the window (outline of the window was slowly (and
>smoothly) crawling along the cursor).
> The reason for this is the way X handles event queue for mouse events.
>When I set mouse threshold (-t option of the server) to 4 (very reasonable
>valid value) the performance literary jumped up.
> Please, try it up, it may make your day. (Also I did not notice any big
>improvement with windows viewer client)
> Roman