Inventor · disambiguated record
Kelvin S. Vartti
Also filed as: VARTTI KELVIN S
24 granted patents·2 pending applications·629 citations·filing 1993–2010
97Inventor score
Top patents by PatentIndex Score
26 records- 0188US5678026AMulti-processor data processing system with control for granting multiple storage locks in parallel and parallel lock priority and second level cache priority queuesUNISYS CORP·Filed 1995·Granted Oct 14, 1997·155 cites·16 claims
- 0287US6993630B1Data pre-fetch system and method for a cache memoryUNISYS CORP·Filed 2002·Granted Jan 31, 2006·54 cites·50 claims
- 0385US6625698B2Method and apparatus for controlling memory storage locks based on cache line ownershipUNISYS CORP·Filed 2000·Granted Sep 23, 2003·41 cites·21 claims
- 0482US7299311B1Apparatus and method for arbitrating for a resource group with programmable weightsUNISYS CORP·Filed 2005·Granted Nov 20, 2007·18 cites·23 claims
- 0582US6816952B1Lock management system and method for use in a data processing systemUNISYS CORP·Filed 2002·Granted Nov 9, 2004·33 cites·53 claims
- 0681US7260677B1Programmable system and method for accessing a shared memoryUNISYS CORP·Filed 2003·Granted Aug 21, 2007·31 cites·32 claims
- 0781US7120836B1System and method for increasing cache hit detection performanceUNISYS CORP·Filed 2000·Granted Oct 10, 2006·33 cites·14 claims
- 0879US6973541B1System and method for initializing memory within a data processing systemUNISYS CORP·Filed 2002·Granted Dec 6, 2005·32 cites·44 claims
- 0977US7533223B1System and method for handling memory requests in a multiprocessor shared memory systemUNISYS CORP·Filed 2007·Granted May 12, 2009·7 cites·6 claims
- 1077US7496715B1Programmable cache management system and methodUNISYS CORP·Filed 2003·Granted Feb 24, 2009·26 cites·29 claims
- 1172US6973548B1Data acceleration mechanism for a multiprocessor shared memory systemUNISYS CORP·Filed 2003·Granted Dec 6, 2005·17 cites·40 claims
- 1270US7065614B1System and method for maintaining memory coherency within a multi-processor data processing systemUNISYS CORP·Filed 2003·Granted Jun 20, 2006·15 cites·17 claims
- 1368US6728835B1Leaky cache mechanismUNISYS CORP·Filed 2000·Granted Apr 27, 2004·16 cites·17 claims
- 1467US6928517B1Method for avoiding delays during snoop requestsUNISYS CORP·Filed 2000·Granted Aug 9, 2005·13 cites·25 claims
- 1565US7222222B1System and method for handling memory requests in a multiprocessor shared memory systemUNISYS CORP·Filed 2003·Granted May 22, 2007·9 cites·18 claims
- 1665US6934810B1Delayed leaky write system and method for a cache memoryUNISYS CORP·Filed 2002·Granted Aug 23, 2005·11 cites·55 claims
- 1764US6374332B1Cache control system for performing multiple outstanding ownership requestsUNISYS CORP·Filed 1999·Granted Apr 16, 2002·44 cites·20 claims
- 1859US6697925B1Use of a cache ownership mechanism to synchronize multiple dayclocksUNISYS CORP·Filed 2000·Granted Feb 24, 2004·7 cites·20 claims
- 1952US7797472B2Method and apparatus for providing overlapping defer phase responsesUNISYS CORP·Filed 2004·Granted Sep 14, 2010·2 cites·20 claims
- 2051US6799249B1Split control for IP read and write cache missesUNISYS CORP·Filed 2000·Granted Sep 28, 2004·2 cites·20 claims
- 2149US5574753AGlitch free clock start/stop control circuit for outputting a single clock signal and a single sync signal from a plurality of sync signal inputs and a plurality of clock signal inputsUNISYS CORP·Filed 1994·Granted Nov 12, 1996·23 cites·14 claims
- 2249US2009164689A1Early response indication for data retrieval in a multi-processor computing systemUNISYS CORP·Filed 2007·Application pending·0 cites
- 2348US6857049B1Method for managing flushes with the cacheUNISYS CORP·Filed 2000·Granted Feb 15, 2005·1 cites·6 claims
- 2448US5381416ADetection of skew fault in a multiple clock systemUNISYS CORP·Filed 1993·Granted Jan 10, 1995·19 cites·8 claims
- 2547US5422918AClock phase detecting system for detecting the phase difference between two clock phases regardless of which of the two clock phases leads the otherUNISYS CORP·Filed 1993·Granted Jun 6, 1995·20 cites·14 claims
- 2644US2010131719A1Early Response Indication for data retrieval in a multi-processor computing systemLUBA MARK D·Filed 2010·Application pending·0 cites
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