Prefetch state cache (PSC)
US12013784B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2022 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Mar 12, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/6028
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a bounding box prefetch unit in a microprocessor, the bounding box prefetch unit comprising: storage comprising a plurality of active prefetcher state entries for storing state information for a corresponding plurality of access streams associated with load requests, and a corresponding plurality of prediction logic; and a prefetcher state cache comprising plural prefetcher state entries that do not match any of the active prefetcher state entries.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.