COMPUTATION PROCESSING CIRCUIT, COMPUTATION PROCESSING UNIT INCLUDING COMPUTATION PROCESSING CIRCUIT, INFORMATION PROCESSING DEVICE INCLUDING COMPUTATION PROCESSING UNIT, AND METHOD

摘要

To embody a computation processing unit that can improve accuracy in a fixed-point number and reduce a physical quantity and consumption power for a circuit.SOLUTION: Each of a plurality of computation processing circuits in a computation processing unit includes a plurality of computation sections, each of which executes computation commands for fixed-point number data, and a statistical information acquisition section. For a plurality of fixed-point number data obtained from the computation results, the statistical information acquisition section adds up, for each bit position, bit patterns obtained from setting a flag bit to a range starting from a lowermost bit position to an uppermost bit position from amongst bit positions having bit values different from a code bit. Or, the statistical information acquisition section adds up, for each bit position, bit patterns obtained from setting a flag bit to a range starting from a code bit position to a lowermost bit position from amongst bit positions having bit values different from a code bit.SELECTED DRAWING: Figure 37