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DSP48E Efficient Floating Point Multiplier Architectures on FPGA

DSP48E Efficient Floating Point Multiplier Architectures on FPGA

Price : 14000

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Course Duration
Approx 10

Course Price
₹ 14000

Course Level
Intermediate

Course Content

DSP48E Efficient Floating Point Multiplier Architectures on FPGA

Abstract

This paper presents FPGA based hardware are[1]chitectures for floating point (FP) multipliers. The proposed multiplier architectures are aimed for single precision (SP), double precision (DP), double-extended precision (DEP) and quadruple precision (QP) implementation. This paper follows the standard computational flow for FP multiplication. The mantissa multiplications, the most complex unit of the FP multiplication, are built using efficient use of Karatsuba methodology integrated with the optimized used of in-built 25x18 DSP48E blocks available on the Xilinx Virtex-5 onward FPGA devices. It also combined with the other techniques (radix-4 booth encoding for small multipliers, partial products reduction using 4:2, 3:2, 2:2 counters; compression of multi[1]operands adders) used at places, to improve the design. The proposed architectures out-performs the available state-of-the[1]art, and used only 1-DSP48, 3 DSP-48, 6 DSP48 and 18 D.

 

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