Generational physical address proxies
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United States of America Patent
Stats
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Jan 2, 2024
Grant Date -
Nov 10, 2022
app pub date -
May 18, 2022
filing date -
May 7, 2021
priority date (Note) -
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Abstract
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.
First Claim
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
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Patent Owner(s)
Patent Owner | Address | |
---|---|---|
VENTANA MICRO SYSTEMS INC | 20863 STEVENS CREEK BLVD SUITE 456 CUPERTINO CA 95014 |
International Classification(s)
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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