Subject: Re: NetBSD-3.0 - extremely poor X performance
To: None <segv@netctl.net>
From: Michael Lorenz <macallan@netbsd.org>
List: port-sparc64
Date: 01/21/2006 10:10:13
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Hello,

> Booting NetBSD-3.99.7 which was installed on the second hard disk on
> 18 Aug 2005 and there is no delay when resizing windows in GTK2
> applications, i.e. everything is performing very well. It's the same
> machine, same hardware, just a different NetBSD version.
>=20
> I'm going to copy packages from NetBSD-3.99.7 and install them on
> NetBSD-3.0 and see if that makes a difference, in case it's the
> problem with the latest version of GTK2. But I have a strong feeling
> it's something to do with NetBSD-3.0

Which gtk2 versions are you using? is it by any chance 2.8.something on
one box and 2.6 or older on the other? The kernel shouldn't have much
influence on graphics performance ( I guess you're using some sort of
Creator? )
GTK 2.8 switched to a completely different rendering subsystem which
really needs Xrender to perform halfway acceptable.=20
So, if you're using a Creator and didn't update X for a few months
please do so - I committed a driver ( and a load of bugfixes ) that
supports Xrender and hardware-accelerated alpha-blending, performance is
MUCH better with that. It's still fairly new though, and not really
ready for a stable release.

have fun
Michael

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