Table 2: Hardware utilization comparisons for both implementations using kintex7-xc7k480t-3ffg1156 chip.
| Precision (Bits) |
8-bit |
16-bit |
32-bit |
64-bit |
128-bit |
256-bit |
512-bit |
1024-bit |
| SQL_MUL_CSA |
Registers |
144(0%) |
281(0%) |
554(0%) |
1,123(1%) |
2211(1%) |
4387(1%) |
8739(1%) |
17443(2%) |
| LUTs |
114(0%) |
175(0%) |
334(0%) |
673(1%) |
1113(1%) |
1908(1%) |
3802(1%) |
7557(2%) |
| SQL_MUL_CLA |
Registers |
202(0%) |
370(0%) |
706(1%) |
1,442(1%) |
2722(1%) |
5410(1%) |
10786(2%) |
21538(3%) |
| LUTs |
147(0%) |
271(0%) |
548(1%) |
1,102(1%) |
1968(1%) |
3913(1%) |
8377(3%) |
16677(5%) |