Parallel searching for an instruction at multiple cache levels

Details Parallel searching for an instruction at multiple cache levels Parallel searching for an instruction at multiple cache levels

2005-01-25

2005-01-25

Lane, Jack (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

C711S119000, C711S120000, C711S122000, C711S125000, C711S150000, C711S168000

Reexamination Certificate

active

06848031

ABSTRACT:
A system and method of fetching processor instructions provides enhanced performance. The method and system provide for receiving a request for an instruction, and searching a cache system at a first level for the instruction. The cache system is searched at a second level for the instruction in parallel with the first level based on a prediction of whether the instruction will be found at the first level.

REFERENCES:
patent: 6119222 (2000-09-01), Shiell et al.

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