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    MEMORY AUTO TUNING
    1.
    发明申请
    MEMORY AUTO TUNING 有权

    公开(公告)号：US20250005323A1

    公开(公告)日：2025-01-02

    申请号：US18216698

    申请日：2023-06-30

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： NAIJIE LI ,  Peng Hui Jiang ,  Bao Zhang ,  Jing Lu ,  Ming Ran Liu ,  Yuan Zhai ,  Dong Hui Liu

    IPC: G06N3/045 ,  G06N3/092

    Abstract: A method, system, and computer program product that is configured to: receive at least one workload of a mixed addressing mode application; classify the at least one workload with artificial intelligence (AI) including a support vector machine (SVM) algorithm; match at least one agent to the at least one workload based on a workload class and tuning policies; execute workload polices of the at least one workload based on the workload class and the tuning policies; evaluate a transaction per second (TPS) and response time of the at least one workload; calculate a reward of the at least one workload; and train a plurality of models based on historical data corresponding to the evaluated TPS, the evaluated response time, and the calculated reward.

    Parameter management between programs
    4.
    发明授权
    Parameter management between programs 有权

    公开(公告)号：US11249760B2

    公开(公告)日：2022-02-15

    申请号：US16380232

    申请日：2019-04-10

    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

    Inventor： Jing Lu ,  Bao Zhang ,  Naijie Li ,  Jin Hong Fu ,  Kershaw Mehta

    IPC: G06F13/10 ,  G06F9/30 ,  G06F9/54 ,  G06F9/34

    Abstract: Methods, systems, and computer program products for parameter management between programs with different addressing modes are described. A request may be received from a first program with a first addressing mode in a first runtime environment for calling a second program with a second addressing mode different from the first addressing mode, where at least one parameter included in the request is for calling the second program. A parameter area may be allocated in the first runtime environment for the at least one parameter. The at least one parameter may be stored in the allocated parameter area. The second program may be invoked based at least in part on the at least one parameter in the allocated parameter area. In this manner, parameter(s) may be communicated between the first program and the second program in an easy and effective way.

    PREVENTING DEADLOCKS IN RUNTIME
    5.
    发明申请
    PREVENTING DEADLOCKS IN RUNTIME 有权

    公开(公告)号：US20220027213A1

    公开(公告)日：2022-01-27

    申请号：US16939289

    申请日：2020-07-27

    Applicant: International Business Machines Corporation

    Inventor： Jing Lu ,  Bao Zhang ,  Ming Ran Liu ,  Tie Liu ,  Xiao Yan Tang ,  Xiang Zu

    IPC: G06F9/52

    Abstract: Provided is a method for preventing deadlocks between competing threads. The method includes receiving a lock request from a first thread and, in response, identifying a potential deadlock with a second thread. In response, the method includes determining whether to deny the lock request, which includes: determining whether a first duration for which the first thread will hold the lock to complete its job is longer than a second duration for which the second thread will hold the lock to complete its job; determining whether the second thread will start to use the lock soon relative to the first duration; and determining whether both the first and second threads will complete their respective jobs within a time limit if the lock is denied to the first thread while the second thread completes its job. The method further includes denying the request for the requested lock from the first thread.

    SIGNAL HANDLING BETWEEN PROGRAMS ASSOCIATED WITH DIFFERENT ADDRESSING MODES
    6.
    发明申请
    SIGNAL HANDLING BETWEEN PROGRAMS ASSOCIATED WITH DIFFERENT ADDRESSING MODES 有权

    公开(公告)号：US20210240495A1

    公开(公告)日：2021-08-05

    申请号：US16782107

    申请日：2020-02-05

    Applicant: International Business Machines Corporation

    Inventor： Ming Ran Liu ,  Bao Zhang ,  NAIJIE LI ,  Jing Lu ,  Xiao Yan Tang ,  Kershaw S. Mehta

    IPC: G06F9/448 ,  G06F9/48 ,  G06F9/445 ,  G06F9/32 ,  G06F9/30

    Abstract: Techniques for signal handling between programs associated with different addressing modes in a computer system are described herein. An aspect includes, based on a signal occurring during execution of a first program in a first runtime environment, wherein the first program and the first runtime environment are associated with a first addressing mode, invoking a first signal exit routine associated with the first addressing mode. Another aspect includes allocating a signal information area (SIA) by the first signal exit routine. Another aspect includes calling a second signal exit routine associated with a second addressing mode that is different from the first addressing mode with an address of the SIA. Another aspect includes allocating a mirror SIA by the second signal exit routine. Another aspect includes handling the signal, and resuming execution based on the handling of the signal.

    EXCEPTION HANDLING
    7.
    发明申请
    EXCEPTION HANDLING 有权

    公开(公告)号：US20210081208A1

    公开(公告)日：2021-03-18

    申请号：US16571592

    申请日：2019-09-16

    Applicant: International Business Machines Corporation

    Inventor： Ming Ran Liu ,  Bao Zhang ,  NAIJIE LI ,  Yuan Zhai ,  Sean Douglas Perry

    IPC: G06F9/38 ,  G06F9/54 ,  G06F11/07

    Abstract: Embodiments of the present disclosure relate to a method, system, and computer program product for exception handling. In some embodiments, a method is disclosed. According to the method, in response to an application throwing an exception, a target stack frame for handling the exception is detected from a call stack of the application. The call stack comprises a plurality of stack frames. One of the plurality of stack frames corresponds to a function called by the application and supports either a one-phase exception handling mechanism or a two-phase exception handling mechanism. In response to the target stack frame being detected from the call stack, the target stack frame is caused to handle the exception. In other embodiments, a system and a computer program product are disclosed.

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