use example for training as well, extend cleanup
use example for training as well, extend cleanup

NaveenSigmoid/simdcomp,lemire/simdcomp,cruppstahl/simdcomp,NaveenSigmoid/simdcomp,lemire/simdcomp,cruppstahl/simdcomp,cruppstahl/simdcomp,NaveenSigmoid/simdcomp,lemire/simdcomp