Generational physical address proxies

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11860794
APP PUB NO 20220358052A1
SERIAL NO

17747625

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Abstract

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Each PIPT L2 cache entry is uniquely identified by a set index and a way and holds a generational identifier (GENID). The L2 detects a miss of a physical memory line address (PMLA). An L2 set index is obtained from the PMLA. The L2 picks a way for replacement, increments the GENID held in the entry in the picked way of the selected set, and forms a physical address proxy (PAP) for the PMLA with the obtained set index and the picked way. The PAP uniquely identifies the picked L2 entry. The L2 forms a generational PAP (GPAP) for the PMLA with the PAP and the incremented GENID. A load/store unit makes available the GPAP as a proxy of the PMLA for comparisons with GPAPs of other PMLAs, rather than making comparisons of the PMLA itself with the other PMLAs, to determine whether the PMLA matches the other PMLAs.

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Patent Owner(s)

Patent OwnerAddress
VENTANA MICRO SYSTEMS INC20863 STEVENS CREEK BLVD SUITE 456 CUPERTINO CA 95014

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Favor, John G San Francisco, US 92 2942
Srinivasan, Srivatsan Cedar Park, US 41 333
Utley, Robert Haskell Austin, US 21 912

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