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Thermal Management in Many Core Systems

  • Dhireesha Kudithipudi
  • Qinru Qu
  • Ayse K. Coskun
Chapter
Part of the Studies in Computational Intelligence book series (SCI, volume 432)

Abstract

High power densities and operating temperatures in multi-processor systems impose a number of undesirable effects, including performance degradation, high operational and cooling costs, and reliability deterioration leading to system failures. Many-core systems bring exciting opportunities in design and system management owing to the ample hardware parallelism, while introducing novel challenges due to their complexity and the highly variant workload that is expected to run on these systems. Efficient thermal monitoring and management, designing thermally-aware architectures, and multi-level parameter optimization can alleviate some of the undesirable thermal effects while maintaining the desired performance and energy levels. In particular, these techniques aid in the evolution of green computing systems. This chapter provides a qualitative discussion on thermal management techniques for many-core systems. We will elucidate the following questions in detail: What are the specific design challenges in monitoring the temperature of large-scale systems? How can we exploit the multi-level optimizations at runtime in response to the dynamic behavior of the processor’s workload? How do emerging workloads affect the thermal distribution on many-core systems?

Keywords

Thermal Sensor Thermal Management Sensor Placement Core System Sequential Probability Ratio Test 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Dhireesha Kudithipudi
    • 1
  • Qinru Qu
    • 2
  • Ayse K. Coskun
    • 3
  1. 1.Computer Engineering DepartmentRochester Institute of TechnologyRochesterUSA
  2. 2.Electrical and Computer Engineering DepartmentSyracuse UniversitySyracuseUSA
  3. 3.Electrical and Computer Engineering DepartmentBoston UniversityBostonUSA

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