Methods and apparatus for providing a compressed network in...

Details Methods and apparatus for providing a compressed network in... Methods and apparatus for providing a compressed network in...

2011-08-16

2011-08-16

Hafiz, Tariq (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Direct memory accessing

C710S002000, C710S038000

Reexamination Certificate

active

08001294

ABSTRACT:
The present invention provides methods and apparatus for transferring and storing data among processors and memory in a multiprocessor system. The data is compressed locally before it is sent to a shared memory. The memory stores the data in its compressed state, but the data is aligned in the memory in the same manner as uncompressed data would be. A tag table keeps track of the compression type and compressed data size for a set of data at a given address block. A data compressor and a data expander may be implemented in a direct memory access controller accessible to multiple coprocessors, or the compressor and the expander may be implemented within the coprocessors.

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