An electronic apparatus is provided for obtaining compiling data used in an external processor including a function unit including a plurality of input ports. The electronic apparatus includes a storage configured to store a plurality of instructions, and a processor configured to schedule each of the plurality of instructions in a plurality of cycles, assign a plurality of input data corresponding to the plurality of instructions to the plurality of input ports in a corresponding cycle, and if an unassigned input port among the plurality of input ports is present in a first cycle, assign a part of input data corresponding to an instruction scheduled in a second cycle after the first cycle to the unassigned input port in the first cycle, and obtain the compiling data by assigning remaining data of the input data corresponding the instruction to one of the plurality of input ports in the second cycle.