[May 15, 2013] Xilinx Assigned Patent for Methods and Systems with Transaction-level Lockstep Tweet (Targeted News Service Via Acquire Media NewsEdge) By Targeted News Service ALEXANDRIA, Va., May 15 -- Xilinx, San Jose, Calif., has been assigned a patent (8,443,230) developed by five co-inventors for "methods and systems with transaction-level lockstep." The co-inventors are Philip B. James-Roxby, Longmont, Colo., Ralph D. Wittig, Menlo Park, Calif., Brendan K. Bridgford, Vienna, Va., Robert M. McGee, Placitas, N.M., and Richard DeFelice, Pikesville, Md. The abstract of the patent published by the U.S. Patent and Trademark Office states: "Methods and systems for redundant operation of a first and second processor are provided. A set of instructions is executed in parallel on the first and second processors. In response to a first access transaction for a peripheral device being issued from execution of an instruction by the first processor, the first processor suspends operation. In response to the first access transaction being a write transaction, the write transaction is not issued to the peripheral device until the second processor executes the instruction and issues a second access transaction that is equal to the write transaction. In response to the first access transaction being a read transaction, the read transaction is not issued to the peripheral device until the second processor executes the instruction." The patent application was filed on Dec. 15, 2010 (12/969,355). The full-text of the patent can be found at http://patft.uspto.gov/netacgi/nph-Parser Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8,443,230.PN.&OS=PN/8,443,230&RS=PN/8,443,230 Written by Kusum Sangma; edited by Anand Kumar. KS0515AK0515-877318 (c) 2013 Targeted News Service [ Back To TMCnet.com's Homepage ]