Method and system for coordinating the access of data by two...

Details Method and system for coordinating the access of data by two... Method and system for coordinating the access of data by two...

2006-03-21

2006-03-21

Padmanabhan, Mano (Department: 2189)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S147000, C711S156000

Reexamination Certificate

active

07017015

ABSTRACT:
A method and system are disclosed for governing access to stored data by first and second of processing devices for the purpose of writing to or modifying the stored data and reading the stored data. In one embodiment, the method includes determining whether first and second single-bit flags associated with a first data portion are the same or different and performing one of a first operation and a second operation (e.g., writing or reading operations) depending upon whether the first and second flags are the same or different, where the first and second operations are respectively performed by the first and second processing devices. The method further includes changing one of the first and second flags upon completion of the operation, where the first value is changed if the first operation was performed, and where the second value is changed if the second operation was performed.

REFERENCES:
patent: 6658538 (2003-12-01), Arimilli et al.
patent: 6889293 (2005-05-01), Kaxiras et al.

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