Patent · US Active

Providing extended cache replacement state information

US9170955B2 · kind B2 · utility

51Cited by
11References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2012
Grant dateOct 27, 2015
Priority date
Expiry dateMay 2, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

In an embodiment, a processor includes a decode logic to receive and decode a first memory access instruction to store data in a cache memory with a replacement state indicator of a first level, and to send the decoded first memory access instruction to a control logic. In turn, the control logic is to store the data in a first way of a first set of the cache memory and to store the replacement state indicator of the first level in a metadata field of the first way responsive to the decoded first memory access instruction. Other embodiments are described and claimed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.