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https://hdl.handle.net/20.500.11851/6646
Title: | Enhanced Duplication: a Technique To Correct Soft Errors in Narrow Values | Authors: | Karslı, I. Burak Reviriego, Pedro Balli, M. Fatih Ergin, Oğuz Maestro, J. A. |
Keywords: | Error Correction Soft Errors Narrow Values Data Cache |
Publisher: | IEEE Computer Soc | Abstract: | Soft errors are transient errors that can alter the logic value of a register bit causing data corruption. They can be caused by radiation particles such as neutrons or alpha particles. Narrow values are commonly found in the data consumed or produced by processors. Several techniques have recently been proposed to exploit the unused bits in narrow values to protect them against soft errors. These techniques replicate the narrow value over the unused register bits such that errors can be detected when the value is duplicated and corrected when the value is tripled. In this letter, a technique that can correct errors when the narrow value is only duplicated is presented. The proposed approach stores a modified duplicate of the narrow value such that errors on the original value and the duplicate can be distinguished and therefore corrected. The scheme has been implemented at the circuit level to evaluate its speed and also at the architectural level to assess the benefits in correcting soft errors. The results show that the scheme is significantly faster than a parity check and can improve substantially the number of soft errors that are corrected compared to existing techniques. | URI: | https://doi.org/10.1109/L-CA.2012.6 https://hdl.handle.net/20.500.11851/6646 |
ISSN: | 1556-6056 1556-6064 |
Appears in Collections: | Bilgisayar Mühendisliği Bölümü / Department of Computer Engineering Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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