Bug#463159: 463159 causes severe problems for running matlab remotely
After upgrading our matlab server from etch to lenny, all matlab
versions became unusably slow (we are running matlab in a xdmcp
session).
After receiving a hint that this could be xcb related [3,4], I've done
something similar as the ubuntu maintainer [1] and created libx11
packages _without_ xcb support [2].
This speeds up matlab user interface tremendously and more
specifically the matlab benchmarks for 2D and 3D graphics with a
factor 10 and more.
Since I don't know wether these packages will cause regressions for
other packages (In [3], people mention a.o. a dependency of the gnome
window manager to xcb), I've played
it safe, and extracted the packages manually on the server (now
running matlab with LD_LIBRARY_PATH set).
[1] http://people.ubuntu.com/~bryce/Testing/libx11/
[2] http://www.fmtc.be/debian/libx11/
[3] https://bugs.launchpad.net/xorg-server/+bug/185311?comments=all
[4] http://www.mathworks.com/matlabcentral/newsreader/view_thread/160387
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