DyPS: Dynamic Processor Switching for Energy-Aware Video Decoding on Multi-core SoCs

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Provided by: Université Paris Diderot
Topic: Hardware
Format: PDF
In addition to General Purpose Processors (GPP), Multi-core SoCs equipping modern mobile devices contain specialized Digital Signal Processor (DSP) designed with the aim to provide better performance and low energy consumption properties. However, the experimental measurements the authors have achieved revealed that system overhead, in case of DSP video decoding, causes drastic performances drop and energy efficiency as compared to the GPP decoding. This paper describes DyPS, a new approach for energy-aware processor switching (GPP or DSP) according to the video quality.
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