1. A system, comprising: a first memory; a plurality of first circuits, wherein each first circuit: is coupled to the memory; and includes: a second circuit configured to generate a first output value in response to an input value received from the first memory; and an accumulator configured to receive the first output value and generate a second output value; and a controller coupled to the memory and the first circuits, and configured to determine the input values to be transmitted from the memory to the first circuits.