Method and apparatus for transferring data between operationally

Details Method and apparatus for transferring data between operationally Method and apparatus for transferring data between operationally

1983-10-04

1987-01-13

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 1200

Patent

active

046369740

ABSTRACT:
The present invention's fundamental technique for transferring data between two operationally-juxtaposed memories basically entails thress steps: First, a sequential accessing of specified portions of the memories; second, a pair-wise comparison of the accessed data items; and third, a "diagonal" exchange between the subject memories of certain ones of the data items.
The technique thus begins with the sequential accessing, within each of the subject memories, of each of a plurality of memory portions. This sequential accessing thereby establishes within each memory a presently-accessed portion and a plurality of subsequently-accessed portions. The pair-wise comparison of the data items from the respective presently-accessed portions is performed next. Upon the occurrence of a match condition between the paired items, the presently-accessed item from a given one of the memories is then "diagonally" exchanged with the item from a subsequently-accessed portion in the other memory.
In a more-specific embodiment of the invention, a self-associating information-retrieval capability may be realized by utilizing the fundamental data-transfer technique as the basic mechanism for exchanging information between adjacent levels of a branched-hierarchy memory array.

REFERENCES:
patent: 4464732 (1984-08-01), Clark
H. O. Leilich, G. Stiege, H. C. Zeidler, "A Search Processor for Data Base Management Systems", IEEE (New York), 1978, pp. 280-287.
M. A. Bonuccelli, E. Lodi, F. Luccio, P. Maestrini and L. Pagli "A VLSI Tree Machine for Relational Data Bases", IEEE (Los Angeles) 1983, pp. 67-73.

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