Double Product combine1: Maximum use of data abstraction: 13.00 cycles/element Double Product combine2: Take vec_length() out of loop: 11.06 cycles/element Double Product combine3: Array reference to vector data: 5.03 cycles/element Double Product combine4: Array reference, accumulate in temporary: 5.00 cycles/element Double Product combine4p: Pointer reference, accumulate in temporary: 5.00 cycles/element Double Product Array code, unrolled by 2: 5.00 cycles/element Double Product combine5p: Pointer code, unrolled by 3, for loop: 5.00 cycles/element Double Product Array code, unrolled by 3, while loop: 5.00 cycles/element Double Product Array code, unrolled by 4: 5.00 cycles/element Double Product Array code, unrolled by 8: 5.03 cycles/element Double Product Array code, unrolled by 16: 4.99 cycles/element Double Product Pointer code, unrolled by 2: 5.00 cycles/element Double Product Pointer code, unrolled by 3: 5.00 cycles/element Double Product Pointer code, unrolled by 4: 5.01 cycles/element Double Product Pointer code, unrolled by 8: 5.03 cycles/element Double Product Pointer code, unrolled by 16: 5.00 cycles/element Double Product combine6: Array code, unrolled by 2, Superscalar x2: 2.50 cycles/element Double Product Array code, unrolled by 4, Superscalar x2: 2.50 cycles/element Double Product Array code, unrolled by 8, Superscalar x2: 2.53 cycles/element Double Product Array code, unrolled by 3, Superscalar x3: 1.67 cycles/element Double Product Array code, unrolled by 4, Superscalar x4: 1.25 cycles/element Double Product Array code, unrolled by 8, Superscalar x4: 1.28 cycles/element Double Product Array code, unrolled by 6, Superscalar x6: 1.02 cycles/element Double Product Array code, unrolled by 8, Superscalar x8: 1.02 cycles/element Double Product Array code, unrolled by 10, Superscalar x10: 1.02 cycles/element Double Product Array code, unrolled by 12, Superscalar x6: 1.01 cycles/element Double Product Array code, unrolled by 12, Superscalar x12: 1.01 cycles/element Double Product Pointer code, unrolled by 8, Superscalar x2: 2.53 cycles/element Double Product Pointer code, unrolled by 8, Superscalar x4: 1.28 cycles/element Double Product Pointer code, unrolled by 8, Superscalar x8: 1.03 cycles/element Double Product Pointer code, unrolled by 9, Superscalar x3: 1.69 cycles/element Double Product Array code, Unroll x2, Superscalar x2, noninterleaved: 2.50 cycles/element Double Product Array code, unrolled by 2, different associativity: 2.50 cycles/element Double Product Array code, unrolled by 3, Different Associativity: 1.70 cycles/element Double Product Array code, unrolled by 4, Different Associativity: 1.25 cycles/element Double Product Array code, unrolled by 6, Different Associativity: 1.12 cycles/element Double Product Array code, unrolled by 8, Different Associativity: 1.13 cycles/element Double Product SSE code, 1*VSIZE-way parallelism: 2.50 cycles/element Double Product SSE code, 2*VSIZE-way parallelism: 1.25 cycles/element Double Product SSE code, 4*VSIZE-way parallelism: 0.65 cycles/element Double Product SSE code, 8*VSIZE-way parallelism: 0.49 cycles/element Double Product SSE code, 12*VSIZE-way parallelism: 0.49 cycles/element Double Product SSE code, 2*VSIZE-way parallelism, reassociate: 1.25 cycles/element Double Product SSE code, 4*VSIZE-way parallelism, reassociate: 0.67 cycles/element Double Product SSE code, 8*VSIZE-way parallelism, reassociate: 0.54 cycles/element