Prefetching data in a computer system

Details Prefetching data in a computer system Prefetching data in a computer system

2007-11-13

2007-11-13

Sparks, Donald (Department: 2187)

Electrical computers and digital processing systems: memory

Address formation

Generating prefetch, look-ahead, jump, or predictive address

C711S204000, C712S207000

Reexamination Certificate

active

11331658

ABSTRACT:
A method and apparatus to detect and filter out redundant cache line addresses in a prefetch input queue, and to adjust the detector window size dynamically according to the number of detector entries in the queue for the cache-to-memory controller bus. Detectors correspond to cache line addresses that may represent cache misses in various levels of cache memory.

REFERENCES:
patent: 6604190 (2003-08-01), Tran
Zhuang and Lee, in “A Hardware-based Cache Pollution Filtering Mechanism for Aggressive Prefetches”, © 2003 IEEE . retrieved from http://ieeexplore.ieee.org/iel5/8782/27813/01240591.pdf?tp=&arnumber=1240591&isnumber=27813 on Jun. 19, 2007.

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