Such fascinating creatures! Subjectively barely an animal, almost a plant, especially in polyp phase. But so beautiful, and able to navigate, feed and survive, despite not having a brain and barely any nervous system to speak of. They must be very efficient, that they can survive with such low grade hardware.
No. Nobody uses gradient descent anymore, it’s just the technique you learn about in beginner level machine learning courses. It’s about the color gradient in all the AI logos.