Address conversion system

Details Address conversion system Address conversion system

1982-06-21

1984-06-05

Thomas, James D.

Boots, shoes, and leggings

G06F 1300

Patent

active

044532300

ABSTRACT:
An address conversion system comprises an improved associative memory circuit for providing a real address corresponding to an applied virtual address with reference to the correspondence between virtual and real addresses stored in a main memory. The associative memory includes first and second memories for storing a part of the correspondence between virtual and real addresses. The second memory is essentially a set associative memory but is not connected with address comparators directly. The first memory is higher in speed but smaller in capacity than the second memory. When the first memory stores the correspondence between the virtual and real address corresponding to the applied virtual address, the real address corresponding to the applied virtual address is immediately delivered.

REFERENCES:
patent: 3825904 (1974-07-01), Burk
patent: 3902163 (1975-08-01), Amdahl
patent: 3902164 (1975-08-01), Kelley
patent: 4053948 (1977-10-01), Hogan
patent: 4079453 (1978-03-01), Dahl
IBM Technical Disclosure Bulletin, vol. 19, #2, Jul. 1976, pp. 597-598, Hogan et al.

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