Methods and structure for error correction in a processor...

Details Methods and structure for error correction in a processor... Methods and structure for error correction in a processor...

2008-05-06

2008-05-06

Wilson, Yolanda L (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S042000, C714S049000, C714S819000

Reexamination Certificate

active

07370230

ABSTRACT:
Methods and structures for an improved processor pipeline to eliminate the effect of correctable soft errors on processor/memory pipeline performance. Features and aspects hereof provide that the pipeline is extended by the addition of one or more information correction stages to correct a soft error using the fetched unit of information and the associated error correcting codes. By extending the pipeline, soft error correction does not stall the pipeline and hence system performance is improved in the face of soft errors from an error correcting memory subsystem.

REFERENCES:
patent: 5604753 (1997-02-01), Bauer et al.
patent: 6625749 (2003-09-01), Quach
patent: 6658621 (2003-12-01), Jamil et al.
patent: 6708284 (2004-03-01), Smith
patent: 6785847 (2004-08-01), Jordan et al.
patent: 7100096 (2006-08-01), Webb et al.

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