Patent · US Expired

Method and apparatus for performing cache segment flush and cache segment invalidation operations

US6978357B1 · kind B1 · utility

17Cited by
8References
38Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1998
Grant dateDec 20, 2005
Priority date
Expiry dateJul 24, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F12/0804
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method and apparatus for including in a computer system, instructions for performing cache memory invalidate and cache memory flush operations. In one embodiment, the computer system comprises a cache memory having a plurality of cache lines each of which stores data, and a storage area to store a data operand. An execution unit is coupled to the storage area, and operates on data elements in the data operand to invalidate data in a predetermined portion of the plurality of cache lines in response to receiving a single instruction.

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