[racket] big-bang is slow to render on screen?

From: Laurent (laurent.orseau at gmail.com)
Date: Tue Apr 22 11:23:50 EDT 2014

Thanks for the help.
Actually, I'm using the "nouveau" drivers as the nvidia ones apparently
don't like my screen and go on strike (just tested again, they still don't

I have rebooted several times since yesterday, and the behavior of the
program is still the same, so it's probably not cache.


On Tue, Apr 22, 2014 at 4:25 PM, Neil Van Dyke <neil at neilvandyke.org> wrote:

> This probably isn't a help, but just in case...
> Also check the xorg conf file and syslog for which driver it's using (it
> often autodetects nowadays, and picks from among applicable installed
> drivers).
> In addition to which driver it's picking up, also check for whether it was
> able to load any device firmware blob or secondary (closed source) shared
> library.
> (Incidentally, I've actually noticed better 2D behavior overall from the
> open-source driver for my old Radeon laptop, except for video scaling.)
> Also maybe restart the xorg server or reboot.  I don't know give that
> advice, and I don't know the xorg internals, but occasionally (esp. with
> closed driver) I have noticed performance behavior that seems like the
> server might be bogged down with cached pixmaps or similar.  I've seen this
> with Firefox.
> Neil V.
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