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IEICE TRANSACTIONS on Information

A Transparent Transient Faults Tolerance Mechanism for Superscalar Processors

Toshinori SATO

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Summary :

In this paper, we propose a fault-tolerance mechanism for microprocessors, which detects transient faults and recovers from them. The investigation of fault-tolerance techniques for microprocessors is driven by two issues: One regards deep submicron fabrication technologies. Future semiconductor technologies could become more susceptible to alpha particles and other cosmic radiation. The other is the increasing popularity of mobile platforms. Cellular telephones are currently used for applications which are critical to our financial security, such as mobile banking, mobile trading, and making airline ticket reservations. Such applications demand that computer systems work correctly. In light of this, we propose a mechanism which is based on an instruction reissue technique for incorrect data speculation recovery and utilizes time redundancy, and evaluate our proposal using a timing simulator.

Publication
IEICE TRANSACTIONS on Information Vol.E86-D No.12 pp.2508-2516
Publication Date
2003/12/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Dependable Computing)
Category
Dependable Systems

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