The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 17, 2012
Filed:
Mar. 31, 2009
Applicants:
Seungjoon Park, Los Altos, CA (US);
Ching-tsun Chou, Palo Alto, CA (US);
Akhilesh Kumar, Sunnyvale, CA (US);
Inventors:
SeungJoon Park, Los Altos, CA (US);
Ching-Tsun Chou, Palo Alto, CA (US);
Akhilesh Kumar, Sunnyvale, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods and apparatus relating to a fairness mechanism for starvation prevention in directory-based cache coherence protocols are described. In one embodiment, negatively-acknowledged (nack'ed) requests from a home agent may be tracked (e.g., using distributed linked-lists). In turn, the tracked requests may be served in a fair order. Other embodiments are also disclosed.