APPROXIMATE ARITHMETIC CIRCUIT DESIGN FOR ERROR RESILIENT APPLICATIONS

When the application context is ready to accept different levels of exactness in solutions and is supportedby human perception quality, then the term ‘Approximate Computing’ tossed before one decade willbecome the first priority . Even though computer hardware and software are working to generate exactresults, approximate results are preferred whenever an error is in predefined bound and adaptive. It willreduce power demand and critical path delay and improve other circuit metrics. When it comes totraditional arithmetic circuits, those generating correct results with limitations on performance are rapidlygetting replaced by approximate arithmetic circuits which are the need of the hour, and so on about theirdesign.