Patent · US Expired

Token based cache-coherence protocol

US6981097B2 · kind B2 · utility

17Cited by
3References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 14, 2003
Grant dateDec 27, 2005
Priority date
Expiry dateJan 1, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99952
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A cache coherence mechanism for a shared memory computer architecture employs tokens to designate a particular node's rights with respect to writing or reading a block of shared memory. The token system provides a correctness substrate to which a number of performance protocols may be freely added.

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