Patent · US Active

Method and apparatus for data-less bus query

US8296525B1 · kind B1 · utility

5Cited by

5References

20Claims

0Family size

Assignee

Marvell International Ltd. · BM

Inventors

Frank O'Bleness · Tempe, US
Sujat Jamil · Gilbert, US
David E. Miner · Chandler, US
Tom Hameenanttila · Phoenix, US
Jeffrey Kehl · Austin, US
Richard Bryant · Chandler, US
Kim Schuttenberg · Gilbert, US

Key dates

Filing date	Aug 7, 2009
Grant date	Oct 23, 2012
Priority date	—
Expiry date	Jan 1, 2031

Classification

Technology area (CPC G)Physics
CPC primaryG06F12/0831
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A system and method of tracking multiple non-identification tagged requests in a system with multiple responders using one or more tracking queues. In some embodiments, the system and method may be implemented in a snoop filter covering multiple caches. In some embodiments, a data-less bus query may be used to update the status of a requested line.

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