Paper PublishingDesign of Approximate Radix-256 Booth Encoding for Error-Tolerant Computing
Also Available Domains Arithmetic Core|Xilinx Vivado
Objective
This an approximate multiplier with Radix-256 booth based encoding has been suggested. In order to evaluate the booth encoding based on radix-256 a 16 bit approximate multiplier was designed and implemented.
Abstract
High radix Booth encodings provide significant decrease on the number of partial products in the multiplication. However, due to the generation on hard multiples, additional delay and power are incurred, which in turn hampers the use of high radix Booth encodings. In this brief, an approximate radix-256 Booth encoding is proposed to circumvent the generation on hard multiples. A partial encoding approach is used to produce partial product pairs, which can be obtained easily by simple shifting and complementing operations. The exact encoding values are thus replaced by the sum of each corresponding partial product pair. A 16 × 16-bit multiplier with proposed approximate radix-256 Booth encoding has been implemented for performance evaluation.
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Specifications
Specifications:
Software Requirements:
· Xilinx ISE 14.7 Tool
· HDL: Verilog
Hardware Requirements:
· Microsoft® Windows XP
· Intel® Pentium® 4 processor or Pentium 4 equivalent with SSE support
· 512 MB RAM
· 100 MB of available disk space
Learning Outcomes
Learning Outcomes:
- Basics of Digital Electronics
- VLSI design Flow
- Introduction to Verilog Coding
- Different modeling styles in Verilog
o Data Flow modeling
o Structural modeling
o Behavioral modeling
o Mixed level modeling
- Introduction to Arithmetic circuits
- Knowledge on MAC unit
- Different control units and instructions
- Knowledge on RISC processor
- Applications in real time
· Xilinx ISE 14.7 for design and simulation
· Generation of Netlist
· Solution providing for real time problems
· Project Development Skills:
o Problem Analysis Skills
o Problem Solving Skills
o Logical Skills
o Designing Skills
o Testing Skills
o Debugging Skills
o Presentation Skills
o Thesis Writing Skills
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