1. An apparatus, comprising: a multiplier unit including a plurality of stages, wherein each stage of the plurality of stages is configured to perform a corresponding arithmetic operation; and control circuitry coupled to the multiplier unit, wherein the control circuitry is configured to: schedule, for each cycle of a plurality of cycles, execution of respective task of a first plurality of tasks included in a first operation on a respective stage of the plurality of stages; and schedule execution of each task of a second plurality of tasks included in a second operation, during a respective cycle of the plurality of cycles, on an unused stage of the plurality of stages.