How do I perform a fast pixellation filter on an image?

Question

I have a little problem with my pixellation image processing algorithm.

I load the image from the beginning into an array of type unsigned char* After t

Answer 1

I agree with @Xorlev. The only thing I would hope is (provided that you are using a lot of floating point operations) that you are building for arm6 and using thumb isa. In that case compile without -mthumb option and the performance might improve.