Publication

Poster: Energy-Efficient Inexact Speculative Adder with High Performance and Accuracy Control

Christian Enz
2015
Posters

Abstract

Approximate circuit design is a promising approach to improve performances and energy efficiency beyond the boundaries of conventional digital circuits. Such strategy is suitable for error-tolerant applications involving perceptive or statistical outputs. This work presents a novel architecture of an Inexact Speculative Adder for high-performance applications with optimized hardware and advanced error compensation technique. This adder allows precise tuning of accuracy to match design specifications while optimizing performances and energy efficiency. It demonstrates power savings up to 26% and energy-delay-area reductions up to 60% compared to the state-of-the-art.

Official source

https://infoscience.epfl.ch/entities/publication/da052bac-bf98-4d3c-b23e-dca9b4771934

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Christian Enz
2015
Posters

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/da052bac-bf98-4d3c-b23e-dca9b4771934

About this result

Related concepts (30)

Computer performance

In computing, computer performance is the amount of useful work accomplished by a computer system. Outside of specific contexts, computer performance is estimated in terms of accuracy, efficiency and speed of executing computer program instructions. When it comes to high computer performance, one or more of the following factors might be involved: Short response time for a given piece of work. High throughput (rate of processing work). Low utilization of computing resource(s). Fast (or highly compact) data compression and decompression.

Integrated circuit design

Integrated circuit design, or IC design, is a sub-field of electronics engineering, encompassing the particular logic and circuit design techniques required to design integrated circuits, or ICs. ICs consist of miniaturized electronic components built into an electrical network on a monolithic semiconductor substrate by photolithography. IC design can be divided into the broad categories of digital and analog IC design. Digital IC design is to produce components such as microprocessors, FPGAs, memories (RAM, ROM, and flash) and digital ASICs.

Electronic design automation

Electronic design automation (EDA), also referred to as electronic computer-aided design (ECAD), is a category of software tools for designing electronic systems such as integrated circuits and printed circuit boards. The tools work together in a design flow that chip designers use to design and analyze entire semiconductor chips. Since a modern semiconductor chip can have billions of components, EDA tools are essential for their design; this article in particular describes EDA specifically with respect to integrated circuits (ICs).

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