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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jin Sun Lysecky, R. Shankar, K. Kodi, A. Louri, A. Wang, J.M. |
| Copyright Year | 2010 |
| Description | Author affiliation: Department of Electrical Engineering and Computer Science, Ohio University, USA (Kodi, A.) || Department of Electrical and Computer Engineering, The University of Arizona, USA (Jin Sun; Lysecky, R.; Shankar, K.; Louri, A.; Wang, J.M.) |
| Abstract | As device feature sizes continue to shrink, long-term reliability such as Negative Bias Temperature Instability (NBTI) leads to low yields and short mean-time-to-failure (MTTF) in multi-core systems. This paper proposes a new workload balancing scheme based on device level fractional NBTI model to balance the workload among active cores while relaxing stressed ones. The proposed method employs the Capacity Rate (CR) provided by the NBTI model, applies Dynamic Zoning (DZ) algorithm to group cores into zones to process task flows, and then uses Dynamic Task Scheduling (DTS) to allocate tasks in each zone with balanced workload and minimum communication cost. Experimental results on 64-core system show that by allowing a small part of the cores to relax over a short time period (10 seconds), the proposed methodology improves multi-core system yield (percentage of core failures) by 20%, while extending MTTF by 30% with insignificant degradation in performance (less than 3%). |
| Starting Page | 450 |
| Ending Page | 455 |
| File Size | 238974 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424457656 |
| DOI | 10.1109/ASPDAC.2010.5419839 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-01-18 |
| Publisher Place | Taiwan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Niobium compounds Titanium compounds Degradation Stress Costs Load management Dynamic scheduling Iterative methods Negative bias temperature instability Chromium |
| Content Type | Text |
| Resource Type | Article |
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