Proceedings of the International Symposium on Memory Systems 2017
DOI: 10.1145/3132402.3132443
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Odd-ECC

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Cited by 10 publications
(4 citation statements)
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“…In this configuration, VECC's first tier is used to detect errors, and both tiers of redundancy are used to correct detected errors. Similarly to VECC, Odd-ECC [16] offers two levels of protection, however with a fixed pre-defined arrangement in memory of 256KB pages.…”
Section: B Variable Strength Ecc Schemesmentioning
confidence: 99%
See 1 more Smart Citation
“…In this configuration, VECC's first tier is used to detect errors, and both tiers of redundancy are used to correct detected errors. Similarly to VECC, Odd-ECC [16] offers two levels of protection, however with a fixed pre-defined arrangement in memory of 256KB pages.…”
Section: B Variable Strength Ecc Schemesmentioning
confidence: 99%
“…Furthermore, protection is decided at the granularity of a memory page, rather than fixed 256KB blocks as in Odd-ECC [16]. VECC's organisation allows fully flexible mappings per memory page at very low overhead, by proposing a translation from physical addresses to second tier ECC addresses, with an ECC address translation cache that is maintained with each core's TLB.…”
Section: Vecc As a Dynamically Adaptable Eccmentioning
confidence: 99%
“…Yoon and Erez then store a second tier ECC code, used in the case of uncorrected errors in the first level, in addressable memory. Similarly to Virtualized ECC, Odd-ECC [Malek et al 2017] uses two tiers of error correction. However, Odd-ECC relies on a pre-defined arrangement in memory at a 256KB granularity.…”
Section: Variable Strength Ecc Schemesmentioning
confidence: 99%
“…The cache in the memory controller allows to mitigate the performance impact of accessing the supplementary ECC blocks, and is similar to whatLin et al [2012] propose to store meta-data of ECPs. This means in particular that the additional redundancy required is much smaller for WITSEC than for Virtualized ECC.Similarly to Virtualized ECC, Odd-ECC[Malek et al 2017] uses two tiers of error correction, with a pre-defined arrangement in memory at a 256KB granularity rather than allowing the fully flexible page-table level mapping used in Virtualized ECC. The drawbacks of this organisation with data and ECC tiers located next to each other are discussed in the Setcion [ssec:design-impact].…”
mentioning
confidence: 99%