On Sun, 2012-05-27 at 07:22 +0200, ceas wrote:

Some common culprits:

(1) a colour management bug (especially on Windows)

    To see if this is affecting you, go to View->Display Filters
    Select Colour Management and uncheck it, and use the left-pointing
    arrow to move it out of the active filters.

(2) 3d desktops (especially on Linux)

    disable compiz, or choose a theme that does not feature
    transparency.  Some of these themes mean everything gets
    drawn multiple times.

(3) if gimp slows down during use, try (3a) making sure the tile cache
    size is at least close to the available memory you have - e.g.
    on an 8 Gigabyte system I have a 7 G tile cache; (3b) in the Undo
    History dock, click on the "clear undo history" button at the bottom
    of the dock, and see if gimp gets faster. This slowing down will
    probably be fixed in gimp 3.0.

(4) drink less coffee. Gimp may seem slow if you have too much coffee.

(5) Number of CPUs/threads mis-detected on some platforms - go to
    Edit/Preferences and check that Number of Processors to Use is not
    more than the number of processors you have.


Liam Quin - XML Activity Lead, W3C, http://www.w3.org/People/Quin/
Pictures from old books: http://fromoldbooks.org/
Ankh: irc.sorcery.net irc.gnome.org freenode/#xml

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