Dynamic Thermal Management by Controlling CPU Frequency and Fan Speed

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MOHEBBI NAJM ABAD J.; SOLEIMANI A.

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Journal Paper

Paper Information

Journal: TABRIZ JOURNAL OF ELECTRICAL ENGINEERING Year:2019 | Volume:49 | Issue:2 (88) Page(s): 833-845

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Information Journal Paper

Title

Dynamic Thermal Management by Controlling CPU Frequency and Fan Speed

Author(s)

MOHEBBI NAJM ABAD J. | SOLEIMANI A. | Issue Writer Certificate

Keywords

Dynamic thermal managementQ1

thermal predictionQ1

feature selectionQ1

multilayer perceptronQ1

temperature controlQ1

Abstract

Microprocessor designers use the design of multicore systems on a chip to increase their computing power. Adding the number of cores leads to an increase in the power density, followed by enhancement of temperature. Reactive and proactive approaches are two sets of the methods for managing the temperature. Unlike the reactive methods that act based on threshold temperature, proactive approaches utilize a thermal prediction model in thermal management. In this paper, two multilayer perceptron neural networks has been used for thermal prediction and temperature control. An appropriate dataset is provided for training each model. This dataset consists of some features that are read by sensors and measurement tools and new features that are produced by proposed processes. In this regard, historical features are suggested for thermal model. Proper features of thermal model are selected by using feature selection based on mutual information. The temperature is controlled by setting the processor frequency and fan speed. The features of control model are selected by non-dominated sorting genetic algorithm. The error of thermal model for different time distances is about 0. 5 ° C. The thermal control model has respectively 2% and 0. 6% errors in determining the processor frequency and fan speed.

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APA: Copy

MOHEBBI NAJM ABAD, J., & SOLEIMANI, A.. (2019). Dynamic Thermal Management by Controlling CPU Frequency and Fan Speed. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, 49(2 (88) ), 833-845. SID. https://sid.ir/paper/256489/en

Vancouver: Copy

MOHEBBI NAJM ABAD J., SOLEIMANI A.. Dynamic Thermal Management by Controlling CPU Frequency and Fan Speed. TABRIZ JOURNAL OF ELECTRICAL ENGINEERING[Internet]. 2019;49(2 (88) ):833-845. Available from: https://sid.ir/paper/256489/en

IEEE: Copy

J. MOHEBBI NAJM ABAD, and A. SOLEIMANI, “Dynamic Thermal Management by Controlling CPU Frequency and Fan Speed,” TABRIZ JOURNAL OF ELECTRICAL ENGINEERING, vol. 49, no. 2 (88) , pp. 833–845, 2019, [Online]. Available: https://sid.ir/paper/256489/en

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