A Decimal Floating-Point Accurate Scalar Product Unit with a Parallel Fixed-Point Multiplier on a Virtex-5 FPGA

Table 1

Shift register post-place & poute results.

	T [ns]	freqmax [MHz]	# LUTs
mul-based, 48 bit	5.072	197	193
mul-based, 2×48 digits	5.177	193	1201
mux-based, 48 bit	2.565	389	960
mux-based, 2×48 digits	2.993	334	7512