The Need for Power Debugging in the Multi-Core Environment

Provided by: George Washington University
Topic: Data Centers
Format: PDF
Multi-core processors have fueled computing performance to greater scales by offering parallelism on chip. Debugging an application for power has a wide array of benefits ranging from minimizing the thermal hotspots to reducing the likelihood of CPU malfunction. In this paper, the authors justify the need for power debugging, and show that performance debugging of a parallel application does not automatically guarantee power balance across multiple cores. They perform experiments and show their results using two case study benchmarks, Volrend from Splash-2 and Bodytrack from Parsec-1.0.

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