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As the overheads for ensuring the correctness of electronic designs continue to increase with continued technology scaling and increased variability, better-than-worst-case (BTWC) design has gained significant attention. Many BTWC design techniques utilize dynamic timing and activity information for design analysis and optimization. These techniques rely on path-based analysis that enumerates the...
The increasingly-stringent power and energy requirements of emerging embedded applications have led to a strong recent interest in aggressive power gating techniques. Conventional techniques for aggressive power gating perform module-based power gating in processors, where power domains correspond to RTL modules. We observe that there can be significant power benefits from module-oblivious power gating,...
A large number of emerging applications such as implantables, wearables, printed electronics, and IoT have ultra-low area and power constraints. These applications rely on ultra-low-power general purpose microcontrollers and microprocessors, making them the most abundant type of processor produced and used today. While general purpose processors have several advantages, such as amortized development...
Many emerging applications such as the internet of things, wearables, and sensor networks have ultra-low-power requirements. At the same time, cost and programmability considerations dictate that many of these applications will be powered by general purpose embedded microprocessors and microcontrollers, not ASICs. In this paper, we exploit a new opportunity for improving energy efficiency in ultralow-power...
Synthesis tools for approximate sequential circuits require the ability to quickly, efficiently, and automatically characterize and bound the errors produced by the circuits. Previous approaches to characterize errors in approximate sequential circuits have been based on simulations spanning all cycles of a sequential computation. These approaches, however, are not scalable and only accommodate small...
In light of increasing energy overheads required to guarantee correctness as variations increase with continued technology scaling, better-than-worst-case (BTWC) design has become a hot topic. Several BTWC design techniques utilize dynamic information like path activity when optimizing a design and rely on path-based analysis to determine the dynamic slack distribution of a workload running on a processor...
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