Electrical computers and digital processing systems: memory – Storage accessing and control – Hierarchical memories
Reexamination Certificate
2006-08-21
2010-06-01
Nguyen, Hiep T (Department: 2187)
Electrical computers and digital processing systems: memory
Storage accessing and control
Hierarchical memories
Reexamination Certificate
active
07730261
ABSTRACT:
A multiprocessing system includes, in part, a multitude of processing units each in direct communication with a bus, a multitude of memory units in direct communication with the bus, and at least one shared memory not in direct communication with the bus but directly accessible to the plurality of processing units. The shared memory may be a cache memory that stores instructions and/or data. The shared memory includes a multitude of banks, a first subset of which may store data and a second subset of which may store instructions. A conflict detection block resolves access conflicts to each of the of the banks in accordance with a number of address bits and a predefined arbitration scheme. The conflict detection block provides each of the processing units with sequential access to the banks during consecutive cycles of a clock signal.
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Chien Chia-Hung
Yung Geoffrey K.
Marvell International Ltd.
Nguyen Hiep T
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