CPU Power Prediction on Modern Multicore Embedded Processor

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Provided by: International Journal of Computer Science and Mobile Computing (IJCSMC)
Topic: Hardware
Format: PDF
In this paper, the authors put a modern multicore embedded processor in a load controlled environment and test its actual power consumption during idle and on active state. In order to retain the highest accuracy during measurement, they carried out the measurement directly on the processor power supply line during runtime. The test processors are loaded at a specific threshold and the actual power consumption during execution are measured and logged in real time. They have found out that on a modern embedded processors such as on their test platform, the idle and active power requirement are more dependent on processor load rather than CPU vcore or CPU execution frequency.
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