Hello, this is my first time writing to this list. I've done some speedup (about 40%) of the oil paint simulation (-paint option of convert) through parallelization using OpenMP. As an example, on a 2816 x 2112 pixels image, it goes from
real 0m57.945s user 0m57.596s sys 0m0.192s to real 0m32.544s user 0m57.748s sys 0m0.284s on a Intel Core 2 Duo 2GHz. I plan to do some timing on a 2x quad core processor also, to see how it scales. The patch is attached and can also be downloaded from http://www.students.ic.unicamp.br/~ra016378/imagemagick/oilpaint_omp.patch -- João Paulo Rechi Vita MSc Computer Science Student Computer Engineer IC/UNICAMP
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