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Error Model and the Reliability of Arithmetic Operations

  • Error detecting and correcting codes are widely used in data transmission, storage systems and also for data processing. In logical circuits like arithmetic operations, arbitrary faults can cause errors in the result. However in safety critical applications, it is important to avoid those errors which would lead to system failures. Several approaches are known to protect the result of operations during software processing. In the same way like transmission systems, coded processing uses codes for fault detection. But in contrast to transmission systems, there is no adequate channel model available which makes it possible to evaluate the residue error probability of an arithmetic operation in an analytical way. This paper tries to close the gap of arithmetic error models by the development of a model for an ordinary addition in a computer system. Thus, the reliability of an addition's result can be analytically evaluated.

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Metadaten
Author:Peter Raab, Stefan Krämer, Jürgen MottokORCiDGND
DOI:https://doi.org/10.1109/EUROCON.2013.6625047
Parent Title (English):2013 IEEE EUROCON - International Conference on Computer as a Tool, Zagreb, Croatia, July 1-4, 2013
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2013
Release Date:2021/03/01
Tag:Markov model; addition; channel model; coded processing; fault simulation; residue error probability
First Page:630
Last Page:637
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Laboratory for Safe and Secure Systems (LAS3)
research focus:Digitalisierung