Updating OpenCL experiment.
Adding HasAVX2 and HasAVX512. Small polishing at supersimple.lpr example.
Minor fixes in uab and ubit.
Updating super simple examples with correlation calculation.
Fixing bug reported by Louis Morin (Convolution with small Y input fails).
Updating super simple examples.
Adding example with correlation.
supersimple: stops lazarus errors.
Transforming some protected methods into private methods.
Adding super simple example.