Long Sum combine4: Array reference, accumulate in temporary: Best: 1.35 (24%), Overall Best: 1.35 40-most: 1.36 cycles/element Long Sum combine5: Array code, unrolled by 2: Best: 1.06 (98%), Overall Best: 1.06 40-most: 1.06 cycles/element Long Sum unroll3a: Array code, unrolled by 3: Best: 1.06 (96%), Overall Best: 1.06 40-most: 1.06 cycles/element Long Sum unroll4a: Array code, unrolled by 4: Best: 1.06 (92%), Overall Best: 1.06 40-most: 1.06 cycles/element Long Sum unroll5a: Array code, unrolled by 5: Best: 1.06 (98%), Overall Best: 1.06 40-most: 1.06 cycles/element Long Sum unroll6a: Array code, unrolled by 6: Best: 1.06 (100%), Overall Best: 1.06 40-most: 1.06 cycles/element Long Sum unroll8a: Array code, unrolled by 8: Best: 1.06 (36%), Overall Best: 1.06 40-most: 1.07 cycles/element Long Sum unroll16a: Array code, unrolled by 16: Best: 1.06 (100%), Overall Best: 1.06 40-most: 1.06 cycles/element