Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock APPLIED VLSI DESIGN The second Design of Robert Gubitz and Bjoern Konieczek
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Slide 2 First Approach
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock New Approach Replace Ripple Look-Ahead Adder with Ripple-Carry Adder
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock New Approach Replace Carry Save Array Multiplier with Wallace-Tree
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock New Approach Rounding the Results to improve average Error
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Resulting Design
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Slide 7 Results – Synthesis First approachNew ApproachEnhancement Frequency (in MHz) 77,714113,013+45,42% N cycles ±0,00% t Op (in μs) 5,32 * ,66091 * ,19% A (in No. FFs) ,1% E Avg 0, , ,57% Metric794,01432,069-95,96%
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock Results – Back-annotated Design First approachNew ApproachEnhancement Frequency (in MHz) 77,71497,381+25,3% N cycles ±0,00% t Op (in μs) 5,32 * ,24859 * ,14% A (in No. FFs) ,77% E Avg 0, , ,57% Metric794,01438,61-95,14%
Institute of Applied Microelectronics and Computer Engineering College of Computer Science and Electrical Engineering, University of Rostock THANK YOU FOR YOUR ATTENTION