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This article studies the interplay between the performance, energy, and reliability (PER) of parallel-computing systems. It describes methods supporting the meaningful cross-platform analysis of this interplay. These methods lead to the PER software tool, which helps designers analyze, compare, and explore these properties. The web extra at https://youtu.be/aijVMM3Klfc illustrates the PER (performance,...
The interplay between pairs of critical factors such as performance, energy and reliability within modern computing systems has always been an interesting topic of study. However, studying the interplay of all three factors together in a many-core, multi-layer design setting has been a relatively recent undertaking. This work explores the practical problems encountered in such studies and introduces...
The contradictions among high performance, low power and unpredictable energy supply motivate a large part of current mobile and embedded system design research especially on systems that can work under a wide range of voltages. Concurrency has been used to improve performance and/or efficiency, but has not been properly studied with widely variable supply voltages. In this paper, a self-timed micropipeline...
Recent technological advances in three-dimensional (3D) semiconductor fabrication have provided a promising platform for realizing densely interconnected multicore, multiprocessor, and networks-on-chip (NoC) based systems. As the on-chip complexity grows significantly with the number of computational, control, and communication units, design considerations and the provision for efficient run-time...
The effect of crosstalk avoidance codes on the throughput of fixed width communication channels is studied. Closed form expressions of the throughput which incorporate the dimensions of the interconnects and the wiring overheads incurred by such techniques are derived for lines under different buffering conditions. These formulae are utilized to optimize the bandwidth of constrained-area parallel...
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