Integer Sum combine1: Maximum use of data abstraction: Best: 8.56 (2%), Overall Best: 8.56 40-most: 10.44 cycles/element Integer Sum combine2: Take vec_length() out of loop: Best: 5.93 (2%), Overall Best: 6.05 40-most: 6.04 cycles/element Integer Sum combine3: Array reference to vector data: Best: 1.59 (2%), Overall Best: 1.63 40-most: 1.62 cycles/element Integer Sum combine3w: Update *dest within loop only with write: Best: 1.60 (12%), Overall Best: 1.63 40-most: 1.63 cycles/element Integer Sum combine4: Array reference, accumulate in temporary: Best: 1.24 (2%), Overall Best: 1.28 40-most: 1.28 cycles/element Integer Sum combine4b: Include bonds check in loop: Best: 1.49 (4%), Overall Best: 1.56 40-most: 1.55 cycles/element Integer Sum combine4p: Pointer reference, accumulate in temporary: Best: 1.24 (4%), Overall Best: 1.26 40-most: 1.27 cycles/element Integer Sum combine5: Array code, unrolled by 2: Best: 0.99 (12%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum combine5p: Pointer code, unrolled by 2, for loop: Best: 0.98 (2%), Overall Best: 1.00 40-most: 1.01 cycles/element Integer Sum unroll2aw: Array code, unrolled by 2, while loop: Best: 0.98 (2%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum unroll3a: Array code, unrolled by 3: Best: 0.99 (16%), Overall Best: 1.01 40-most: 1.00 cycles/element Integer Sum unroll4a: Array code, unrolled by 4: Best: 0.99 (22%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll5a: Array code, unrolled by 5: Best: 0.98 (2%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll6a: Array code, unrolled by 6: Best: 0.99 (10%), Overall Best: 1.00 40-most: 1.01 cycles/element Integer Sum unroll7a: Array code, unrolled by 7: Best: 0.98 (2%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll8a: Array code, unrolled by 8: Best: 0.99 (12%), Overall Best: 1.01 40-most: 1.00 cycles/element Integer Sum unroll9a: Array code, unrolled by 9: Best: 0.99 (14%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum unroll10a: Array code, unrolled by 10: Best: 0.98 (2%), Overall Best: 1.01 40-most: 1.00 cycles/element Integer Sum unroll16a: Array code, unrolled by 16: Best: 0.98 (2%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll2: Pointer code, unrolled by 2: Best: 0.98 (2%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll3: Pointer code, unrolled by 3: Best: 0.99 (28%), Overall Best: 1.00 40-most: 1.00 cycles/element Integer Sum unroll4: Pointer code, unrolled by 4: Best: 0.98 (2%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum unroll8: Pointer code, unrolled by 8: Best: 0.99 (6%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum unroll16: Pointer code, unrolled by 16: Best: 0.98 (2%), Overall Best: 1.01 40-most: 1.00 cycles/element Integer Sum combine6: Array code, unrolled by 2, Superscalar x2: Best: 0.77 (2%), Overall Best: 0.79 40-most: 0.80 cycles/element Integer Sum unroll4x2a: Array code, unrolled by 4, Superscalar x2: Best: 0.67 (24%), Overall Best: 0.67 40-most: 0.69 cycles/element Integer Sum unroll8x2a: Array code, unrolled by 8, Superscalar x2: Best: 0.53 (4%), Overall Best: 0.55 40-most: 0.55 cycles/element Integer Sum unroll3x3a: Array code, unrolled by 3, Superscalar x3: Best: 0.66 (4%), Overall Best: 0.68 40-most: 0.68 cycles/element Integer Sum unroll4x4a: Array code, unrolled by 4, Superscalar x4: Best: 0.60 (32%), Overall Best: 0.60 40-most: 0.61 cycles/element Integer Sum unroll5x5a: Array code, unrolled by 5, Superscalar x5: Best: 0.55 (14%), Overall Best: 0.56 40-most: 0.57 cycles/element Integer Sum unroll6x6a: Array code, unrolled by 6, Superscalar x6: Best: 0.53 (2%), Overall Best: 0.55 40-most: 0.56 cycles/element Integer Sum unroll7x7a: Array code, unrolled by 7, Superscalar x7: Best: 0.54 (10%), Overall Best: 0.55 40-most: 0.57 cycles/element Integer Sum unroll8x4a: Array code, unrolled by 8, Superscalar x4: Best: 0.52 (4%), Overall Best: 0.54 40-most: 0.55 cycles/element Integer Sum unroll8x8a: Array code, unrolled by 8, Superscalar x8: Best: 0.52 (2%), Overall Best: 0.54 40-most: 0.55 cycles/element Integer Sum unroll9x9a: Array code, unrolled by 9, Superscalar x9: Best: 0.52 (8%), Overall Best: 0.54 40-most: 0.55 cycles/element Integer Sum unroll10x10a: Array code, unrolled by 10, Superscalar x10: Best: 0.50 (20%), Overall Best: 0.51 40-most: 0.53 cycles/element Integer Sum unroll2x6a: Array code, unrolled by 12, Superscalar x6: Best: 0.48 (2%), Overall Best: 0.50 40-most: 0.52 cycles/element Integer Sum unroll12x12a: Array code, unrolled by 12, Superscalar x12: Best: 0.49 (6%), Overall Best: 0.50 40-most: 0.53 cycles/element Integer Sum unroll16x16a: Array code, unrolled by 16, Superscalar x16: Best: 0.65 (2%), Overall Best: 0.66 40-most: 0.68 cycles/element Integer Sum unroll20x20a: Array code, unrolled by 20, Superscalar x20: Best: 0.73 (4%), Overall Best: 0.76 40-most: 0.77 cycles/element Integer Sum unroll8x2: Pointer code, unrolled by 8, Superscalar x2: Best: 0.53 (10%), Overall Best: 0.56 40-most: 0.55 cycles/element Integer Sum unroll8x4: Pointer code, unrolled by 8, Superscalar x4: Best: 0.52 (2%), Overall Best: 0.55 40-most: 0.55 cycles/element Integer Sum unroll8x8: Pointer code, unrolled by 8, Superscalar x8: Best: 0.52 (18%), Overall Best: 0.52 40-most: 0.54 cycles/element Integer Sum unroll9x3: Pointer code, unrolled by 9, Superscalar x3: Best: 0.56 (2%), Overall Best: 0.60 40-most: 0.59 cycles/element Integer Sum unrollx2as: Array code, Unroll x2, Superscalar x2, noninterleaved: Best: 0.78 (6%), Overall Best: 0.79 40-most: 0.80 cycles/element Integer Sum combine7: Array code, unrolled by 2, different associativity: Best: 0.99 (10%), Overall Best: 1.01 40-most: 1.01 cycles/element Integer Sum unroll3aa: Array code, unrolled by 3, Different Associativity: Best: 0.69 (8%), Overall Best: 0.70 40-most: 0.71 cycles/element Integer Sum unroll4aa: Array code, unrolled by 4, Different Associativity: Best: 0.76 (8%), Overall Best: 0.77 40-most: 0.78 cycles/element Integer Sum unroll5aa: Array code, unrolled by 5, Different Associativity: Best: 0.57 (12%), Overall Best: 0.58 40-most: 0.59 cycles/element Integer Sum unroll6aa: Array code, unrolled by 6, Different Associativity: Best: 0.54 (4%), Overall Best: 0.56 40-most: 0.56 cycles/element Integer Sum unroll7aa: Array code, unrolled by 7, Different Associativity: Best: 0.74 (8%), Overall Best: 0.77 40-most: 0.76 cycles/element Integer Sum unroll8aa: Array code, unrolled by 8, Different Associativity: Best: 0.78 (14%), Overall Best: 0.80 40-most: 0.80 cycles/element Integer Sum unroll9aa: Array code, unrolled by 9, Different Associativity: Best: 0.52 (6%), Overall Best: 0.54 40-most: 0.54 cycles/element Integer Sum unroll10aa: Array code, unrolled by 10, Different Associativity: Best: 0.49 (4%), Overall Best: 0.50 40-most: 0.52 cycles/element Integer Sum unroll12aa: Array code, unrolled by 12, Different Associativity: Best: 0.49 (12%), Overall Best: 0.50 40-most: 0.52 cycles/element Integer Sum simd_v1: SSE code, 1*VSIZE-way parallelism: Best: 0.32 (20%), Overall Best: 0.34 40-most: 0.35 cycles/element Integer Sum simd_v2: SSE code, 2*VSIZE-way parallelism: Best: 0.09 (4%), Overall Best: 0.10 40-most: 0.12 cycles/element Integer Sum simd_v4: SSE code, 4*VSIZE-way parallelism: Best: 0.06 (2%), Overall Best: 0.07 40-most: 0.09 cycles/element Integer Sum simd_v8: SSE code, 8*VSIZE-way parallelism: Best: 0.04 (2%), Overall Best: 0.06 40-most: 0.06 cycles/element Integer Sum simd_v10: SSE code, 10*VSIZE-way parallelism: Best: 0.07 (8%), Overall Best: 0.11 40-most: 0.10 cycles/element Integer Sum simd_v12: SSE code, 12*VSIZE-way parallelism: Best: 0.06 (20%), Overall Best: 0.09 40-most: 0.08 cycles/element Integer Sum simd_v2a: SSE code, 2*VSIZE-way parallelism, reassociate: Best: 0.13 (2%), Overall Best: 0.14 40-most: 0.17 cycles/element Integer Sum simd_v4a: SSE code, 4*VSIZE-way parallelism, reassociate: Best: 0.08 (2%), Overall Best: 0.10 40-most: 0.12 cycles/element Integer Sum simd_v8a: SSE code, 8*VSIZE-way parallelism, reassociate: Best: 0.06 (2%), Overall Best: 0.08 40-most: 0.09 cycles/element