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:
Jul. 07, 2009
Filed:
Jan. 18, 2006
Gregg A. Bouchard, Round Rock, TX (US);
David A. Carlson, Haslet, TX (US);
Richard E. Kessler, Shrewsbury, MA (US);
Gregg A. Bouchard, Round Rock, TX (US);
David A. Carlson, Haslet, TX (US);
Richard E. Kessler, Shrewsbury, MA (US);
Cavium Networks, Inc., Mountain View, CA (US);
Abstract
Methods and apparatus are provided for selectively replicating a data structure in a low-latency memory. The memory includes multiple individual memory banks configured to store replicated copies of the same data structure. Upon receiving a request to access the stored data structure, a low-latency memory access controller selects one of the memory banks, then accesses the stored data from the selected memory bank. Selection of a memory bank can be accomplished using a thermometer technique comparing the relative availability of the different memory banks. Exemplary data structures that benefit from the resulting efficiencies include deterministic finite automata (DFA) graphs and other data structures that are loaded (i.e., read) more often than they are stored (i.e., written).