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Conference Paper
Optimal Frequency Scaling for Multi-Core Processor with Soft-Fault
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- Authors
- Seungwon Lee, Min Su Kim, Won Woo Ro
- Issue Date
- 2015-01
- Citation
- International Conference on Electronics, Information and Communication (ICEIC) 2015, pp.272-273
- Language
- English
- Type
- Conference Paper
- Abstract
- When a core in a multi-core processor has a softfault such as a delay error, the overall performance of the multi-core processor is degraded. To prevent the performance degradation, we propose frequency scaling that enables the multi-core processor with a soft-fault to increase the utilization and reduce the performance degradation. Since performance and power consumption of a core are proportional to the clock frequency, an appropriate frequency scaling is required according to the status of cores and workloads. In this paper, we propose an optimal frequency scaling process for a multi-core processor with a soft-fault.
- KSP Keywords
- Clock frequency, Delay error, Frequency Scaling, Overall performance, Power Consumption, multi-core processor, optimal frequency, performance degradation