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 65570
0 pipeline registers
CoreGen LUT-based 11.9652945 0
0 pipeline registers
CoreGen DSP48E-based 25.712 0 10
0 pipeline registers

Decimal multiplier 4.377 55760
6 pipeline registers
CoreGen LUT-based 3.4752982 0
6 pipeline registers
CoreGen DSP48E-based 4.958123 10
6 pipeline registers