Inventor · disambiguated record
Gregory F. Pfister
Also filed as: PFISTER GREGORY F · PFISTER GREGORY FRANCIS
54 granted patents·5 pending applications·2,259 citations·filing 1984–2012
99Inventor score
Top patents by PatentIndex Score
59 records- 0197US7093024B2End node partitioning using virtualizationIBM·Filed 2001·Granted Aug 15, 2006·195 cites·15 claims
- 0296US7103626B1Partitioning in distributed computer systemHEWLETT PACKARD DEVELOPMENT LP·Filed 2000·Granted Sep 5, 2006·196 cites·27 claims
- 0395US8331381B2Providing visibility of Ethernet components to a subnet manager in a converged InfiniBand over Ethernet networkBROWN AARON C·Filed 2007·Granted Dec 11, 2012·72 cites·20 claims
- 0495US6789143B2Infiniband work and completion queue management via head and tail circular buffers with indirect work queue entriesIBM·Filed 2001·Granted Sep 7, 2004·104 cites·37 claims
- 0594US6981025B1Method and apparatus for ensuring scalable mastership during initialization of a system area networkIBM·Filed 2000·Granted Dec 27, 2005·135 cites·18 claims
- 0694US6748559B1Method and system for reliably defining and determining timeout values in unreliable datagramsIBM·Filed 2000·Granted Jun 8, 2004·119 cites·30 claims
- 0792US6941350B1Method and apparatus for reliably choosing a master network manager during initialization of a network computing systemIBM·Filed 2000·Granted Sep 6, 2005·93 cites·28 claims
- 0891US7409432B1Efficient process for handover between subnet managersIBM·Filed 2000·Granted Aug 5, 2008·82 cites·6 claims
- 0991US7113995B1Method and apparatus for reporting unauthorized attempts to access nodes in a network computing systemIBM·Filed 2000·Granted Sep 26, 2006·79 cites·25 claims
- 1091US4980822AMultiprocessing system having nodes containing a processor and an associated memory module with dynamically allocated local/global storage in the memory modulesIBM·Filed 1988·Granted Dec 25, 1990·115 cites·14 claims
- 1190US7099955B1End node partitioning using LMC for a system area networkIBM·Filed 2000·Granted Aug 29, 2006·67 cites·23 claims
- 1290US6978300B1Method and apparatus to perform fabric managementIBM·Filed 2000·Granted Dec 20, 2005·71 cites·21 claims
- 1390US6766467B1Method and apparatus for pausing a send queue without causing sympathy errorsIBM·Filed 2000·Granted Jul 20, 2004·67 cites·28 claims
- 1490US6725296B2Apparatus and method for managing work and completion queues using head and tail pointersIBM·Filed 2001·Granted Apr 20, 2004·60 cites·30 claims
- 1589US4885680AMethod and apparatus for efficiently handling temporarily cacheable dataIBM·Filed 1986·Granted Dec 5, 1989·121 cites·18 claims
- 1687US7636772B1Method and apparatus for dynamic retention of system area network management information in non-volatile storeIBM·Filed 2000·Granted Dec 22, 2009·48 cites·22 claims
- 1787US7136907B1Method and system for informing an operating system in a system area network when a new device is connectedIBM·Filed 2000·Granted Nov 14, 2006·50 cites·20 claims
- 1887US6851059B1Method and system for choosing a queue protection key that is tamper-proof from an applicationIBM·Filed 2000·Granted Feb 1, 2005·51 cites·22 claims
- 1986US4754394AMultiprocessing system having dynamically allocated local/global storage and including interleaving transformation circuit for transforming real addresses to corresponding absolute address of the storageIBM·Filed 1984·Granted Jun 28, 1988·69 cites·16 claims
- 2085US8244826B2Providing a memory region or memory window access notification on a system area networkBENNER ALAN F·Filed 2007·Granted Aug 14, 2012·14 cites·18 claims
- 2185US7895601B2Collective send operations on a system area networkIBM·Filed 2007·Granted Feb 22, 2011·13 cites·20 claims
- 2284US7437447B2Method and system for authenticating a requestor without providing a keyIBM·Filed 2004·Granted Oct 14, 2008·29 cites·4 claims
- 2383US7574526B2Multicast group management in infinibandIBM·Filed 2003·Granted Aug 11, 2009·32 cites·12 claims
- 2482US6829685B2Open format storage subsystem apparatus and methodIBM·Filed 2001·Granted Dec 7, 2004·32 cites·41 claims
- 2580US6832297B2Method and apparatus for managing data in a distributed buffer systemIBM·Filed 2001·Granted Dec 14, 2004·30 cites·30 claims
- 2679US7720907B2Supervisor partitioning of client resourcesIBM·Filed 2008·Granted May 18, 2010·5 cites·2 claims
- 2779US6938138B2Method and apparatus for managing access to memoryIBM·Filed 2001·Granted Aug 30, 2005·26 cites·16 claims
- 2878US7165110B2System and method for simultaneously establishing multiple connectionsIBM·Filed 2001·Granted Jan 16, 2007·24 cites·22 claims
- 2978US6950945B2Apparatus and method for intersystem lock optimizationIBM·Filed 2001·Granted Sep 27, 2005·25 cites·33 claims
- 3077US7908457B2Retaining an association between a virtual address based buffer and a user space application that owns the bufferIBM·Filed 2008·Granted Mar 15, 2011·8 cites·11 claims
- 3177US7657945B2Systems and arrangements to adjust resource accessibility based upon usage modesIBM·Filed 2005·Granted Feb 2, 2010·6 cites·20 claims
- 3277US7116673B2Queue pair resolution in infiniband fabricsIBM·Filed 2001·Granted Oct 3, 2006·23 cites·5 claims
- 3377US7095750B2Apparatus and method for virtualizing a queue pair space to minimize time-wait impactsIBM·Filed 2001·Granted Aug 22, 2006·22 cites·9 claims
- 3474US7831710B2Communication of offline status between computer systemsIBM·Filed 2008·Granted Nov 9, 2010·6 cites·9 claims
- 3574US7685352B2System and method for loose ordering write completion for PCI expressIBM·Filed 2008·Granted Mar 23, 2010·6 cites·1 claims
- 3671US5133061AMechanism for improving the randomization of cache accesses utilizing abit-matrix multiplication permutation of cache addressesIBM·Filed 1990·Granted Jul 21, 1992·62 cites·7 claims
- 3770US8935333B2Implementing multicast on a system area network channel adapterBEUKEMA BRUCE LEROY·Filed 2001·Granted Jan 13, 2015·19 cites·28 claims
- 3870US8370447B2Providing a memory region or memory window access notification on a system area networkIBM·Filed 2012·Granted Feb 5, 2013·2 cites·16 claims
- 3970US8042004B2Diagnosing communications between computer systemsIBM·Filed 2008·Granted Oct 18, 2011·5 cites·25 claims
- 4068US7941568B2Mapping a virtual address to PCI bus addressIBM·Filed 2008·Granted May 10, 2011·4 cites·11 claims
- 4167US7421488B2System, method, and computer program product for centralized management of an infiniband distributed system area networkIBM·Filed 2003·Granted Sep 2, 2008·11 cites·15 claims
- 4267US7092401B2Apparatus and method for managing work and completion queues using head and tail pointers with end-to-end context error cache for reliable datagramIBM·Filed 2001·Granted Aug 15, 2006·10 cites·33 claims
- 4366US6898638B2Method and apparatus for grouping data for transfer according to recipient buffer sizeIBM·Filed 2001·Granted May 24, 2005·10 cites·38 claims
- 4464US4969088AHardware mechanism for automatically detecting hot-spot references and diverting same from memory traffic in a multiprocessor computer systemIBM·Filed 1988·Granted Nov 6, 1990·28 cites·23 claims
- 4560US7451219B2Determining server resources accessible to client nodes using information received at the server via a communications mediumIBM·Filed 2003·Granted Nov 11, 2008·7 cites·14 claims
- 4659US6980551B2Full transmission control protocol off-loadIBM·Filed 2001·Granted Dec 27, 2005·5 cites·20 claims
- 4755US8015243B2Authenticating a requestor without providing a keyIBM·Filed 2008·Granted Sep 6, 2011·0 cites·4 claims
- 4855US7818413B2Authenticating a requestor without providing a keyIBM·Filed 2008·Granted Oct 19, 2010·0 cites·5 claims
- 4954US7739405B2Multicast group management in infinibandIBM·Filed 2008·Granted Jun 15, 2010·0 cites·9 claims
- 5053US9032100B2I/O hub-supported atomic I/O operationsPFISTER GREGORY F·Filed 2008·Granted May 12, 2015·1 cites·25 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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