Research Article
A Decimal Floating-Point Accurate Scalar Product Unit with a Parallel Fixed-Point Multiplier on a Virtex-5 FPGA
Table 3
Comparison of decimal fixed-point and binary multiplier results.
| Multiplier | Tlatency [ns] | No. of LUTs | No. of DSP48E |
| Decimal multiplier | 17.964 | 6557 | 0 | 0 pipeline registers | CoreGen LUT-based | 11.965 | 2945 | 0 | 0 pipeline registers | CoreGen DSP48E-based | 25.712 | 0 | 10 | 0 pipeline registers |
| Decimal multiplier | 4.377 | 5576 | 0 | 6 pipeline registers | CoreGen LUT-based | 3.475 | 2982 | 0 | 6 pipeline registers | CoreGen DSP48E-based | 4.958 | 123 | 10 | 6 pipeline registers |
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