[cairo-bugs] [Bug 11529] Performance of cairo is not good without XRender extension

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jul 11 10:03:15 PDT 2007


brian.cameron at sun.com changed:

           What    |Removed                     |Added
                 CC|                            |elaine.xiong at sun.com

------- Comment #8 from brian.cameron at sun.com  2007-07-11 10:02 PST -------

Elaine Xiong at Sun did some testing with the Sun collect performance analysis
tool and also used an X traffic recording tool to identify what is going on
when Xrender is not being used.

Even though people aren't planning on fixing this problem in the near term,
does it make sense to close the bug?  Perhaps this bug report should be left
open so that people can discuss their findings and perhaps at some point enough
understanding will show up that some low hanging fruit could be addressed.

At Sun, we currently support the Xorg Xserver on the x86 platform and the Xsun
Xserver on the Sparc platform.  We are eventually (probably over the next year)
going to migrate from Xsun to Xorg and the performance problems that Sparc
users see will go away.  However, any attention to improving performance would
make Solaris Sparc users happier in the meantime.  

Note that Xsun does support Xrender on some graphics cards, but only a handful.
 Also it is not on by default, so users need to turn it on by hand to improve
GNOME performance.  Not quite ideal, but we are slowly making progress in this

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