Table 4: Performance improvement for fixed with the optimization of constant vector multiplication and vector-vector addition.

Original Optimization Speedup

245760 0.64 0.53 1.21
491520 1.26 1.05 1.20
737280 1.85 1.56 1.19
983040 2.53 2.10 1.20
1228800 3.06 2.59 1.18