Thermal Modeling and Management of Multi-Core Processors: 8 (Forschungsberichte Aus Dem Lehrstuhl fr Regelungssysteme)

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The power and thermal management/balancing is of increasing concern and is a technological challenge to the multi-core processor (MCP) development and will be a main performance bottleneck for the development of MCPs. The work presented in this thesis discusses the thermal and power management of MCPs with both two dimensional (2D) package and three dimensional (3D) package chips. For 2D package chips, a group of one dimensional (1D) partial differential equations (PDEs), which is derived from the 3D PDE heat conduction equation, is proposed to describe the thermal behavior of each core. Thereafter, an optimal controller is designed to manage the power consumption and balance the temperature among the cores based on the proposed 1D model. Different from 2D package chips, a liquid cooling system should be installed among the layers to reduce the internal temperature of 3D chips. Due to the complexity of the system, the thermal behavior of the whole system is modeled as an ordinary differential equation (ODE) system. For balancing the temperature a two step control policy is proposed. In the first step the micro-channel liquid velocity is set based on a logical algorithm. Thus, the system is described as a switched linear system. In the second step the model predictive control method is employed to design the thermal and power management/balancing controller.
Publisher ‏ : ‎ Logos Verlag Berlin GmbH (30 April 2014)
Language ‏ : ‎ English
Paperback ‏ : ‎ 144 pages
ISBN-10 ‏ : ‎ 383253699X
ISBN-13 ‏ : ‎ 978-3832536992
Item Weight ‏ : ‎ 140 g
Dimensions ‏ : ‎ 14.5 x 21.01 cm
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