Patents Represented by Attorney Duke W. Yee
  • Patent number: 7492723
    Abstract: A mechanism, method and computer usable medium is provided for each root node of a multiple root node system and its own independent address space. This mechanism also allows multiple system images within the same root node to have their own independent address spaces. A mechanism is also provided for incorporating legacy root node and input/output adapters that are non-aware of the mechanisms introduced by this invention. Input/ output adapters which implement this invention may also have the number of functions that they support greatly expanded beyond the present eight functions per input/output adapter.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: William T. Boyd, Douglas M. Freimuth, William G. Holland, Steven W. Hunter, Renato J. Recio, Steven M. Thurber, Madeline Vega
  • Patent number: 7493427
    Abstract: A number of improvements in network adapters that offload protocol processing from the host processor are provided. Specifically, an improved mechanism for handling receipt of data packets in a system utilizing an offload network adapter. The offload network adapter may include logic that permits the offload network adapter to delay notification of data reception to the host system in different ways. The advantage of delaying the notice of data packet reception to the host system is the potential for aggregation of several data packets, which can arrive immediately after the first one, for example, in a single notification. Given a stream with continuous data packet arrival, a value may be set, either statically or dynamically, for notification delay and this value may be configurable for the host system per communication socket.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Douglas Morgan Freimuth, Elbert C. Hu, Ronald Mraz, Erich M. Nahum, Prashant Pradhan, Sambit Sahu, John Michael Tracey
  • Patent number: 7492704
    Abstract: A method, data processing system, and computer usable code are provided for protocol definition for software bridge failover. In a first aspect of the present invention, a first software bridge determines the proper working operation of a physical adapter. Limbo packets are sent to a second software bridge alerting the second software bridge that the first software bridge is no longer bridging traffic responsive to the physical adapter failure in the first software bridge. The second software bridge receives the limbo packets, and, in response to receiving the limbo packets, asserts primary control and initiates bridging of traffic. In an alternative aspect of the present invention a first software bridge sends keep-alive packets. A second software bridge monitors the keep-alive packets from the first software bridge and, in response to a failure to detect the keep-alive packets from the first software bridge, the second software bridge initiates bridging of traffic.
    Type: Grant
    Filed: September 15, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Vinit Jain, Jorge Rafael Nogueras, Vasu Vallabhaneni, Patrick Tam Vo
  • Patent number: 7492670
    Abstract: A method for displaying events in a plurality of calendar systems. The Custom Calendar System Program (CCSP) herein allows a user to create a custom calendar system by changing the length and names of the year, month, week, or day of any calendar system. The Event Conversion Program (ECP) herein translates the date for an event into a generic date and stores the event with the generic date. When the user changes the displayed time period or calendar system, the Display Program (DP) herein displays the new calendar system and/or time period and determines which events occur on the displayed time period. The DP translates only the events which occur in the displayed time period into the displayed calendar system dates and displays those events on the displayed calendar. A date caching file allows the invention to minimize the number of translation calculations.
    Type: Grant
    Filed: October 29, 2003
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Benjamin Michael Parees, Phillip J. Rau
  • Patent number: 7493419
    Abstract: A computer implemented method in a data processing system for fingerprinting input/output workloads for input/output schedulers. Requests are identified in a workload for an input/output scheduler. Each request is classified to form a set of classifications. Whether an action is needed is determined based on the set of classifications. If the action is needed, the action is initiated.
    Type: Grant
    Filed: December 13, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventor: Jacob Lorien Moilanen
  • Patent number: 7493409
    Abstract: The present invention provides an apparatus, system and method for providing a generalized queue pair for use with host channel adapters of a system area network. With the apparatus, system and method, the hypervisor of a host channel adapter maintains a P_Key table for each logical port of the host channel adapter. When a request is received to allocate a queue pair from a requestor application associated with a logical port, a P_Key mode is set in a control register associated with the queue pair based on the type of requestor application that sent the request. Based on this P_Key mode, one or more P_Keys from a P_Key table associated with the logical port from which the request was received are written to one or more P_Key registers allocated to the queue pair. These P_Keys are then used to perform P_Key checks of incoming data packets. In addition, these P_Keys are inserted into headers of outgoing data packets.
    Type: Grant
    Filed: April 10, 2003
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: David F. Craddock, Donald William Schmidt, Bruce Marshall Walk
  • Patent number: 7493611
    Abstract: A scheduling algorithm is provided for selecting the placement of instructions with internal slack into a schedule of instructions within a loop. The algorithm achieves this by pinning nodes with internal slack to corresponding nodes on the critical path of the code that have similar properties in terms of the data dependency graph, such as earliest time and latest time. The effect is that nodes with internal slack are more often optimally placed in the schedule, reducing the need for rotating registers or register copy instructions. The benefit of the present invention can primarily be seen when performing instruction scheduling or software pipelining on loop code, but can also apply to other forms of instruction scheduling when greater control of placement of nodes with internal slack is desired.
    Type: Grant
    Filed: August 30, 2004
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventor: Allan Russell Martin
  • Patent number: 7493483
    Abstract: A method for processing instructions by a processing unit. An instruction set is dynamically set for the processing unit using a selected instruction map. The selected instruction map is selected as one being different from a normal instruction map for the processing unit. The instructions are processed at the processor using the instruction set. A set of authorized instructions are encoded using the selected instruction map.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventor: Gordon D. McIntosh
  • Patent number: 7490763
    Abstract: An application for disabling the use of selected applications is provided. A server receives identification information from a user. The location of the user is determined. If the user is determined to be in a reserved location, the use of one or more applications is disabled, for the user.
    Type: Grant
    Filed: August 4, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Susann Marie Keohane, Gerald Francis McBrearty, Shawn Patrick Mullen, Jessica Murillo, Johnny Meng-Han Shieh
  • Patent number: 7492256
    Abstract: An apparatus and method are disclosed for detecting whether a device has been tilted beyond a predefined threshold. A casing is included for temporarily enclosing a radio frequency identification (RFID) tag. The RFID tag is unable to receive an RFID interrogation signal when the RFID tag is enclosed in the casing. The tilting of the device is monitored. In response to the amount of tilt exceeding the predefined threshold, the RFID tag is exposed to radio frequency (RF) signals. The RFID tag receives the RFID interrogation signal when the RFID tag is exposed. The RFID tag transmits a reply RFID signal in response to a receipt by the RFID tag of the RFID interrogation signal. The RFID tag transmits the RFID reply signal only when the RFID tag is exposed which indicates that tilting of the device beyond the predefined threshold has occurred.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Selcuk Suat Eren, Brian Jules Jaeger, Douglas Alan Law, Paul Allen Roberts, Shawn Konrad Sremaniak
  • Patent number: 7493302
    Abstract: Computer implemented method, system and computer usable program code for monitoring a transaction that crosses an enterprise boundary in a composite application. A computer implemented method for monitoring a transaction that crosses an enterprise boundary in a composite application includes a provider enterprise of the transaction receiving a request to provide monitoring data regarding the transaction to a requester enterprise of the transaction. The received request includes a correlation token identifying the monitoring data to be provided and the requester enterprise as being authorized to receive the monitoring data. The transaction monitoring data is then provided to the requester enterprise. The provided transaction monitoring data may be analyzed by the requester enterprise to provide analysis results regarding transaction delivery performance.
    Type: Grant
    Filed: June 26, 2006
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Nduwuisi Emuchay, Gautham Pamu
  • Patent number: 7493418
    Abstract: A generic mechanism and model are provided to capture and store configuration profiles for resource monitors such that monitors can be flexibly deployed, configured, modified, and removed using appropriate sets of parameters and values. As an integral part of resource provisioning, this generic mechanism will require only a generic set of workflows and a generic data model to provision monitors. The provisioning system of the present invention captures and stores response parameters and values from monitors created during initial deployment such that these parameters can be used for later modification and removal of these monitors.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Toby L. Burton, Rhonda L. Childress, Liana Liyow Fong, Andrew Julius Greff, Michael Husayn Kalantar, David George King
  • Patent number: 7493425
    Abstract: A method, system and computer program product that allows a System Image within a multiple System Image Virtual Server to maintain isolation from the other system images while directly exposing a portion, or all, of its associated System Memory to a shared PCI Adapter without the need for each I/O operation to be analyzed and verified by a component trusted by the LPAR manager.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Richard Louis Arndt, Giora Biran, Patrick Allen Buckland, Harvey Gene Kiel, Vadim Makhervaks, Renato John Recio, Leah Shalev, Jaya Srikrishnan
  • Patent number: 7493103
    Abstract: A method, apparatus, and computer instructions for a communications device transferring data. A signal strength is received for a communications link used to transfer data to a destination. In response to the signal strength less than a threshold, the data is cached in the communications device to form cached data. In response to a loss and reestablishment of the communications link, the cached data is sent to the destination.
    Type: Grant
    Filed: July 22, 2004
    Date of Patent: February 17, 2009
    Assignee: International Business Machines Corporation
    Inventors: Paul Bernell Finley, Jr., Daniel Nhiem Nguyen, Kim-Khanh Vu Tran, Vi Trieu Tran
  • Patent number: 7490320
    Abstract: A method and apparatus for transforming JAVA Native Interface function calls to constants, internal just-in-time (JIT) compiler operations or simpler intermediate representation. A compiler generates a plurality of intermediate representations for a plurality of native interface function calls. During inlining of native code, matching is performed on each native function call (against this list) and a list of native interface function calls is generated. For each native interface function call, a (JIT) call transformer attempts to replace the native interface function call with a constant, internal JIT compiler operation or a simpler intermediate representation depending on the type of native interface function call.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Allan Henry Kielstra, Levon Sassoon Stepanian, Kevin Alexander Stoodley
  • Patent number: 7490110
    Abstract: A method for predictable query execution through early materialization is provided. The method deals with the problem of cardinality misestimation in query execution plans, by pre-executing sub-plans on a query execution plan that have questionable estimates and collecting statistics on the output of these sub-plans. If needed, the overall query execution plan is changed in light of these statistics, before optimizing and executing the remainder of the query.
    Type: Grant
    Filed: March 24, 2006
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Stephan Eberhard Ewen, Holger Kache, Guy Maring Lohman, Volker Gerhard Markl, Vijayshankar Raman
  • Patent number: 7490322
    Abstract: A software distribution method and system are provided. In a software distribution application, packages including instructions specifying the actions to be carried out on each target computer for installing or removing selected software products are prepared in a central site. Each package is transmitted to the target computer, and the corresponding instructions are interpreted so as to enforce the desired software products meeting the current configuration of the target computer. The configuration of the target computer is monitored to detect any hardware upgrade. In response thereto, the target computer generates a list of actions for removing software products not meeting the new configuration any longer and a list of action for installing software products now meeting the new configuration. These lists are transmitted to the central site, and they trigger the building of a delta package. The delta package is then distributed to the target computer.
    Type: Grant
    Filed: February 13, 2003
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Luigi Pichetti, Claudio Marinelli
  • Patent number: 7490017
    Abstract: A computer implemented method, data processing system, and computer usable code are provided for analytical generation of software thermal profiles. In order to generate a thermal profile, a set of instruction streams are analyzed for a program being executed by a set of processors to create analyzed information. A thermal index is generated based on the analyzed information.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Maximino Aguilar, Jr., Charles Ray Johns, Mark Richard Nutter, James Michael Stafford
  • Patent number: 7487913
    Abstract: A computer implemented method, data processing system, and computer program product for tracking time sensitive items in a container. A barcode scanned item is placed into a container. The system stores the time of the scan and links the item identification number scanned to the inventory control system. As the time since the item was scanned increases, the system determines whether the item has exceeded a time-based alert threshold. Responsive to exceeding the time-based alert threshold, personnel are alerted to the abandoned container. The system provides data to the personnel to aid in dispositioning the item following abandonment.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Roger Lee Adema, Robert S. Hoblit
  • Patent number: 7490023
    Abstract: A method is provided for analyzing performance of a software application that is configured to contain a number of objects, wherein the application defines operations that include respective objects and relationships corresponding thereto. Performance costs are assigned to respective objects and to their corresponding relationships, and a total cost is computed for each of the operations from the assigned performance costs. Notice is provided when the cost of a particular operation exceeds a pre-specified performance threshold.
    Type: Grant
    Filed: April 12, 2007
    Date of Patent: February 10, 2009
    Assignee: International Business Machines Corporation
    Inventors: Chris Aniszozyk, Pierre Francois Padovani, Borna Safabakhsh