Multi-level partitioned snoop filter
US12093177B2 · kind B2 · utility
1Cited by
1References
15Claims
0Family size
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Key dates
| Filing date | Sep 27, 2022 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Oct 19, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/1024
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system and method that partitions a snoop filter into sub-partitions that reflect an affinity between a given cluster of cache-coherent agents. The process of partitioning reduces messaging traffic between a cache coherent agents connected to a cache-coherent interconnect. A level of snoop filter partitioning using a range of addresses is disclosed. A unique way to define how many snoop filters are needed and which snoop filter is tracking which cache line, is disclosed. A hierarchy of snoop filters can be used with two levels: a cluster level and an interleaving level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.