Partial way hint line replacement algorithm for a snoop filter
US7962694B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Jun 14, 2011 |
| Priority date | — |
| Expiry date | Nov 1, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F12/082
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In an embodiment, a method is provided. The method of this embodiment provides receiving a request for data from a processor of a plurality of processors, determining a cache entry location based, at least in part, on the request, storing the data in a cache corresponding to the processor at the cache entry location, and storing a coherency record corresponding to the data in a snoop filter in accordance with one of the following, if there is a cache miss: at the cache entry location of a corresponding affinity in the snoop filter if the cache entry location is found in the corresponding affinity, or at a derived cache entry location of the corresponding affinity if the cache entry location is not found in the corresponding affinity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.