Patent · US Active

Prefetch state cache (PSC)

US12013784B2 · kind B2 · utility

0Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 7, 2022
Grant dateJun 18, 2024
Priority date
Expiry dateMar 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.