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:
Oct. 21, 2003
Filed:
Jan. 07, 2002
Luiz A. Barroso, Mountain View, CA (US);
Kourosh Gharachorloo, Menlo Park, CA (US);
Andreas Nowatzyk, San Jose, CA (US);
Robert J. Stets, Palo Alto, CA (US);
Mosur K. Ravishankar, Mountain View, CA (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
In a chip multiprocessor system, the coherence protocol is split into two cooperating protocols implemented by different hardware modules. One protocol is responsible for cache coherence management within the chip, and is implemented by a second-level cache controller. The other protocol is responsible for cache coherence management across chip multiprocessor nodes, and is implemented by separate cache coherence protocol engines. The cache controller and the protocol engine within each node communicate and synchronize memory transactions involving multiple nodes to maintain cache coherence within and across the nodes. The present invention addresses race conditions that arise during this communication and synchronization.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile