Some have argued that the dichotomy between high-performance operation and low resource utilization is false - an artifact that will soon succumb to Moore's Law and careful engineering. If such claims prove to be true, then the traditional 8/16- vs. 32-bit power-performance tradeoffs become irrelevant, at least for some low-power embedded systems. We explore the veracity of this thesis using the 32-bit ARM Cortex-M3 microprocessor and find quite substantial progress but not deliverance. The Cortex-M3, compared to 8/16-bit microcontrollers, reduces latency and energy consumption for computationally intensive tasks as well as achieves near parity on code density. However, it still incurs a ∼2x overhead in power draw for "traditional" sense-store-send-sleep applications. These results suggest that while 32-bit processors are not yet ready for applications with very tight power requirements, they are poised for adoption everywhere else. Moore's Law may yet prevail. © 2012 Springer-Verlag.
CITATION STYLE
Ko, J., Klues, K., Richter, C., Hofer, W., Kusy, B., Bruenig, M., … Terzis, A. (2012). Low power or high performance? A tradeoff whose time has come (and nearly gone). In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 7158 LNCS, pp. 98–114). https://doi.org/10.1007/978-3-642-28169-3_7
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