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Title: Exploiting Virtual Addressing for Increasing Reliability
Authors: Çakmakcı, Yaman
Ergin, Oğuz
Keywords: Fault tolerance
Radiation hardening
transient faults
Issue Date: Jan-2014
Publisher: IEEE Computer Soc.
Source: Cakmakci, Y., & Ergin, O. (2013). Exploiting virtual addressing for increasing reliability. IEEE Computer Architecture Letters, 13(1), 29-32.
Abstract: A novel method to protect a system against errors resulting from soft errors occurring in the virtual address (VA) storing structures such as translation lookaside buffers (TLB), physical register file (PRF) and the program counter (PC) is proposed in this paper. The work is motivated by showing how soft errors impact the structures that store virtual page numbers (VPN). A solution is proposed by employing linear block encoding methods to be used as a virtual addressing scheme at link time. Using the encoding scheme to assign VPNs for VAs, it is shown that the system can tolerate soft errors using software with the help of the discussed decoding techniques applied to the page fault handler. The proposed solution can be used on all of the architectures using virtually indexed addressing. The main contribution of this paper is the decreasing of AVF for data TLB by 42.5%, instruction TLB by 40.3%, PC by 69.2% and PRF by 33.3%.
ISSN: 1556-6056
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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