[Gegl-developer] speeding up GEGL operations in GIMP

[Øyvind Kolås]

On Wed, May 14, 2008 at 8:14 AM, Sven Neumann <sven at gimp.org> wrote:
> currently the GEGL operations in GIMP are very slow. I have done some
> basic profiling yesterday and it appears that the main problem is the
> conversion from floating point to 8bit. Here is where the most time is
> being spent. So it doesn't really make much sense to optimize the
> operations in GIMP or the point filters in GEGL. We need to look at the
> babl conversions first.

Some of the extra overhead spent in the GeglOperationPointFilter base
class has now been optimized away in a fast code path. The new code
paths is markedly faster.

/Øyvind K.
-- 
«The future is already here. It's just not very evenly distributed»
 -- William Gibson
http://pippin.gimp.org/ http://ffii.org/