研究目的
To establish a quantitative relationship between the workload and the corresponding power consumption of a multicore processor using CPU utilization statistics only, modeling both as random variables.
研究成果
The study successfully established a quantitative relationship between processor workload and power consumption using CPU utilization statistics, showing that for a single-core processor, the relationship is best approximated by a quadratic function, and for a dualcore processor, by a linear function. The model demonstrated plausible accuracy in estimating power consumption for various benchmarks, though with some limitations in handling diverse workload types and high utilization scenarios.
研究不足
The model's accuracy is affected by the imperfection of the workload used for training, approximation errors in curve-fitting processes, and deviations between estimated and actual power consumption distributions. The model assumes the processor as a memoryless system with a stochastic input, which may not capture all dynamics of processor power consumption.
