Research Article
Analysis of Fast Radix-10 Digit Recurrence Algorithms for Fixed-Point and Floating-Point Dividers on FPGAs
Table 5
Performance comparison of fixed-point dividers.
| | | Occupied area | Cycle time (ns) | Latency (ns) |
| |
Ercegovac and McIlhenny [17] (, Virtex-5) | 1263 (6 : 2) LUTs | 13.1 | 197 |
| | Type2 divider, equalized to | 1692 (6 : 2) LUTs | 8.5 | 136 |
| | Deschamps and Sutter [24] (, Virtex-4) | | | | | (i) Nonrestoring algorithm | 2974 (4 : 1) LUTs | 21.4 | 386 | | (ii) SRT-like algorithm | 3799 (4 : 1) LUTs | 16.6 | 300 |
| | Zhang et al. [25] (, Virtex-II Pro) | 3976 slices | 20.0 | 420 |
| |
Véstias and Neto [12] (, Virtex-4, Newton-Raphson) | | | | | (i) Type A3 (0 DSPs, 118 cycles) | 2756 (4 : 1) LUTs | 3.4 | 394 | | (ii) Type A4 (0 DSPs, 90 cycles) | 3768 (4 : 1) LUTs | 3.4 | 306 | | (iii) Type A5 (7 DSPs, 112 cycles) | 2091 (4 : 1) LUTs | 3.4 | 380 | | (iv) Type A6 (10 DSPs, 86 cycles) | 2718 (4 : 1) LUTs | 3.4 | 292 |
| | Type2 divider, equalized to | 1704 (6 : 2) LUTs | 8.5 | 153 |
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