Abstract

Translation lookaside buffers (TLBs) are cache structures used to make the translation process between virtual pages and physical pages faster. Instruction TLBs store the virtual page number of the last accessed instruction memory pages and the corresponding physical page numbers. Single and double adjacent errors, which are common in harsh environments, may affect TLBs. This paper presents a technique to provide instruction TLB resilience to these single and double adjacent errors without additional storage requirements, by taking advantage of the spatial locality principle that is present in program execution.

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