G - Physics – 06 – F
Patent
G - Physics
06
F
354/242
G06F 13/40 (2006.01) G06F 12/08 (2006.01)
Patent
CA 1325291
METHOD AND APPARATUS FOR INCREASING THE DATA STORAGE RATE OF A COMPUTER SYSTEM HAVING A PREDEFINED DATA PATH WIDTH ABSTRACT In a computer system, the flow of data from the execution unit 20 to the cache 28 is enhanced by pairing individual, sequential longword write operations into a simultaneous quadword write operation. A primary and secondary writebuffer 50, 52 sequentially receive the individual longwords during first and second clock cycles and simultaneously present the individual longwords over a quadword wide bus to the cache 28. During the first clock cycle, when the cache 28 is not performing the quadword write operation, the cache 28 is free to perform the requisite lookup routine on the address of the first longword of data to determine if the quadword of address space is available in the cache. Thus, the flow of data to the cache 28 is maximized.
610035
Fossum Tryggve
Hetherington Ricky C.
Manley Dwight P.
Salett Ronald M.
Webb David A. Jr.
Digital Equipment Corporation
Smart & Biggar
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