trains without additional allocs during training now.  still reallly slow though :-(
trains without additional allocs during training now.  still reallly slow though :-(

hughperkins/clnn,szagoruyko/clnn,brunoro/clnn,brunoro/clnn,szagoruyko/clnn,brunoro/clnn,hughperkins/clnn,hughperkins/clnn,szagoruyko/clnn,hughperkins/clnn,brunoro/clnn,szagoruyko/clnn