Checksum calculator with tree structure of reduction stages

Details Checksum calculator with tree structure of reduction stages Checksum calculator with tree structure of reduction stages

2007-04-17

2007-04-17

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Error/fault detection technique

C714S758000, C714S781000

Reexamination Certificate

active

10697717

ABSTRACT:
A checksum calculator employs a tree structure of reduction stages to process words of a checksum data array. The number of words in the checksum data array is compared to the number of words each of the reduction stages might process. If the number of words in the checksum data array is greater than the number of words that the highest level reduction stage might process, then a portion of the checksum data array is processed, remaining words of the checksum data array are appended to the processed portion, and the process is repeated. If the number of words in the checksum data array is less than or equal to the number of words that the highest level reduction stage might process, then the checksum data array is processed by the lowest level reduction stage that can process the entire checksum data array.

REFERENCES:
patent: 6324670 (2001-11-01), Henriksen
patent: 6412092 (2002-06-01), Raghunath
patent: 6591397 (2003-07-01), Henriksen
patent: 6643821 (2003-11-01), Karim et al.
patent: 6964008 (2005-11-01), Van Meter, III
patent: 6968498 (2005-11-01), Pal

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