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:
Apr. 16, 2002
Filed:
Dec. 30, 1998
Gopalakrishnan Janakiraman, Fremont, CA (US);
Tsen-Gong Jim Hsu, Cupertino, CA (US);
Padmanabha I. Venkitakrishnan, Sunnyvale, CA (US);
Rajendra Kumar, Sunnyvale, CA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A network of integrated communication switches and coherence controllers is provided which interconnected nodes in a cache-coherent multi-processor computer architecture. The nodes contain multiple processors operatively connected to associated memory units through memory controllers. The communication switches and coherence controllers has associated coherence directories which maintain coherence information for all memory lines that are “homed” in the nodes that are directly connected to the particular communication switch and coherence controller.