An interesting backprop alternative here: https://arxiv.org/abs/1901.09049 https://arxiv.org/abs/1901.09049 Essentially inspired by spiking neurons, it can be

An interesting backprop alternative here: https://arxiv.org/abs/1901.09049 https://arxiv.org/abs/1901.09049 Essentially inspired by spiking neurons, it can be implemented in neuromorphic hardware.