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Computing with memory, which stores function responses of some input patterns into lookup tables offline and retrieves their values when encountering similar patterns (instead of performing online calculation), is a promising energy-efficient computing technique. No doubt to say, with a given lookup table size, the efficiency of this technique depends on which function responses are stored and how...
Approximate computing, being able to trade off computation quality and computational effort (e.g., energy) by exploiting the inherent error-resilience of emerging applications (e.g., recognition and mining), has garnered significant attention recently. No doubt to say, quality assurance is indispensable for satisfactory user experience with approximate computing, but this issue has remained largely...
Quality control plays a key role in approximate computing to save the energy and guarantee that the quality of the computation outcome satisfies users' requirement. Previous works proposed a hybrid architecture, composed of a classifier for error prediction and an approximate accelerator for approximate computing using well trained neural-networks. Only inputs predicted to meet the quality are executed...
Many emerging applications are inherently error-resilient and hence do not require exact computation. Previous work on resilience-aware task allocation and scheduling problem first generates an initial energy-efficient task schedule on voltage-scalable multiprocessor system at design-time, and then conducts voltage adjustment according to runtime quality checking result. While energy efficiency improvements...
As one of the most promising energy-efficient computing paradigms, approximate computing has gained a lot of research attention in the past few years. This paper presents a survey of state-of-the-art work in all aspects of approximate computing and highlights future research challenges in this field.
Ih classicial technology scaling, also known as Dennard's scaling has tremendously improved computer's performance over the past decades, which in turn has enabled countless innovative applications benefiting our daily lives today. However, as the classical technology scaling has approached its fundamental physical limit, the improvement in computer's performance has been sluggish, whereas the amount...
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