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    CONCURRENT ACCESS OF SHARED RESOURCES
    1.
    发明申请
    CONCURRENT ACCESS OF SHARED RESOURCES 审中-公开
    共同资源共享

    公开(公告)号：WO2004094863A2

    公开(公告)日：2004-11-04

    申请号：PCT/GB2004001624

    申请日：2004-04-15

    Applicant: IBM ,  IBM UK ,  ARMSTRONG TROY DAVID ,  LUCKE KYLE ALAN

    Inventor： ARMSTRONG TROY DAVID ,  LUCKE KYLE ALAN

    IPC: G06F9/46 ,  F16G

    CPC classification number: G06F9/52

    Abstract: An apparatus, program product and method to manage access to a shared resource by a plurality of processes in a multithreaded computer via a collection of atomic operations that track both the order in which requests that use a shared resource are received, and the order in which processing of such requests are completed after they are received. Dispatching of requests is effectively deferred until processing of all non-dispatched requests that were received earlier than a most recently completed request has been completed. In many instances, completion of processing of requests can be performed non-atomically, thus reducing contention issues with respect to the shared resource. Furthermore, dispatching of requests may be batched to reduce the overhead associated with individual dispatch operations.

    Abstract translation: 一种用于通过多个线程计算机中的多个进程通过收集跟踪使用共享资源的请求的顺序的原子操作的集合来管理对共享资源的访问的装置，程序产品和方法，以及其中 这些请求的处理在收到之后完成。 有效地推迟请求的调度，直到处理在最近完成的请求之前接收到的所有未发送的请求已经完成。 在许多情况下，可以非原子地执行请求的处理完成，从而减少对共享资源的争用问题。 此外，可以批量发送请求以减少与各个调度操作相关联的开销。

    APPARATUS AND METHOD FOR CONTROLLING RESOURCE TRANSFERS IN A LOGICALLY PARTITIONED COMPUTER SYSTEM
    3.
    发明申请
    APPARATUS AND METHOD FOR CONTROLLING RESOURCE TRANSFERS IN A LOGICALLY PARTITIONED COMPUTER SYSTEM 审中-公开
    用于控制逻辑分区计算机系统中的资源传输的装置和方法

    公开(公告)号：WO2004081699A3

    公开(公告)日：2005-01-20

    申请号：PCT/GB2004000868

    申请日：2004-03-03

    Applicant: IBM ,  IBM UK ,  ARMSTRONG TROY DAVID ,  ARMSTRONG WILLIAM JOSEPH ,  EIDE CURTIS SHANNON ,  NORDSTROM GREGORY MICHAEL

    Inventor： ARMSTRONG TROY DAVID ,  ARMSTRONG WILLIAM JOSEPH ,  EIDE CURTIS SHANNON ,  NORDSTROM GREGORY MICHAEL

    IPC: G06F20060101 ,  G06F1/26 ,  G06F9/46 ,  G06F9/50 ,  G06F12/00 ,  G06F13/00

    CPC classification number: G06F9/5011 ,  G06F1/26 ,  G06F9/5077

    Abstract: A resource and partition manager of the preferred embodiments includes a lock mechanism that operates on a plurality of locks that control access to individual hardware resources. The resource and partition manager uses the lock mechanism to obtain a lock on a hardware resource when transferring control of the hardware resource to a logical partition that is powering on and when removing the hardware resource from a logical partition that is powering off. The resource and partition manager uses the lock mechanism to remove control of a hardware resource from, or return control to, an operating logical partition in order to facilitate hardware service operations on that hardware resource or on the physical enclosure in which it is contained. The preferred embodiments also include methods for releasing system resources and address bindings allocated to a hardware resource when control the hardware resource is removed from a logical partition.

    Abstract translation: 优选实施例的资源和分区管理器包括对控制对各个硬件资源的访问的多个锁操作的锁定机制。 资源和分区管理器在将硬件资源的控制转移到正在上电的逻辑分区以及从正在关闭的逻辑分区中删除硬件资源时，使用锁定机制来获取硬件资源上的锁定。 资源和分区管理器使用锁定机制来从硬件资源或操作逻辑分区的控制中移除硬件资源的控制，以便于硬件资源或其所包含的物理外壳上的硬件服务操作。 优选实施例还包括当控制从逻辑分区移除硬件资源时释放系统资源和分配给硬件资源的绑定的方法。

    APPARATUS AND METHOD FOR CONTROLLING RESOURCE TRANSFERS IN A LOGICALLY PARTITIONED COMPUTER SYSTEM
    6.
    发明专利
    APPARATUS AND METHOD FOR CONTROLLING RESOURCE TRANSFERS IN A LOGICALLY PARTITIONED COMPUTER SYSTEM 未知

    公开(公告)号：CA2515450C

    公开(公告)日：2010-04-13

    申请号：CA2515450

    申请日：2004-03-03

    Applicant: IBM

    Inventor： ARMSTRONG TROY DAVID ,  ARMSTRONG WILLIAM JOSEPH ,  EIDE CURTIS SHANNON ,  NORDSTROM GREGORY MICHAEL

    IPC: G06F9/46 ,  G06F20060101 ,  G06F1/26 ,  G06F9/50 ,  G06F12/00 ,  G06F13/00

    Abstract: A resource and partition manager of the preferred embodiments includes a lock mechanism that operates on a plurality of locks that control access to individual hardware resources. The resource and partition manager uses the lock mechanism to obtain a lock on a hardware resource when transferring control of the hardware resource to a logical partition that is powering on and when removing the hardware resource from a logical partition that is powering off. The resource and partition manager uses the lock mechanism to remove control of a hardware resource from, or return control to, an operating logical partition in order to facilitate hardware service operations on that hardware resource or on the physical enclosure in which it is contained. The preferred embodiments also include methods for releasing system resources and address bindings allocated to a hardware resource when control the hardware resource is removed from a logical partition.

    7.
    发明专利
    未知

    公开(公告)号：BRPI0408310A

    公开(公告)日：2006-03-07

    申请号：BRPI0408310

    申请日：2004-03-03

    Applicant: IBM

    Inventor： ARMSTRONG TROY DAVID ,  ARMSTRONG WILLIAM JOSEPH ,  EIDE CURTIS SHANNON ,  NORDSTROM GREGORY MICHAEL

    IPC: G06F20060101 ,  G06F1/26 ,  G06F9/46 ,  G06F9/50 ,  G06F12/00 ,  G06F13/00

    Abstract: A resource and partition manager of the preferred embodiments includes a lock mechanism that operates on a plurality of locks that control access to individual I/O slots. The resource and partition manager uses the lock mechanism to obtain a lock on an I/O slot when transferring control of the I/O slot to a logical partition that is powering on and when removing the I/O slot from a logical partition that is powering off. The resource and partition manager uses the lock mechanism to remove control of an I/O slot from, or return control to, an operating logical partition in order to facilitate hardware service operations on that I/O slot or on the physical enclosure in which it is contained.

    CONCURRENT ACCESS OF SHARED RESOURCES
    8.
    发明专利
    CONCURRENT ACCESS OF SHARED RESOURCES 未知

    公开(公告)号：CA2522096C

    公开(公告)日：2012-09-18

    申请号：CA2522096

    申请日：2004-04-15

    Applicant: IBM

    Inventor： ARMSTRONG TROY DAVID ,  LUCKE KYLE ALAN

    IPC: G06F9/52 ,  G06F9/46

    Abstract: An apparatus, program product and method to manage access to a shared resource by a plurality of processes in a multithreaded computer via a collection of atomic operations that track both the order in which requests that use a shared resource are received, and the order in which processing of such requests are completed after they are received. Dispatching of requests is effectively deferred until processing of all non-dispatched requests that were received earlier than a most recently completed request has been completed. In many instances, completion of processing of requests can be performed non-atomically, thus reducing contention issues with respect to the shared resource. Furthermore, dispatching of requests may be batched to reduce the overhead associated with individual dispatch operations.

    CONCURRENT ACCESS OF SHARED RESOURCES
    9.
    发明专利
    CONCURRENT ACCESS OF SHARED RESOURCES 未知

    公开(公告)号：CA2522096A1

    公开(公告)日：2004-11-04

    申请号：CA2522096

    申请日：2004-04-15

    Applicant: IBM

    Inventor： LUCKE KYLE ALAN ,  ARMSTRONG TROY DAVID

    IPC: G06F9/46 ,  G06F9/52

    Abstract: An apparatus, program product and method to manage access to a shared resour ce by a plurality of processes in a multithreaded computer via a collection of atomic operations that track both the order in which requests that use a shared resource are received, and the order in which processing of such requests are completed after they are received. Dispatching of requests is effectively deferred until processing of all non-dispatched requests that we re received earlier than a most recently completed request has been completed. In many instances, completion of processing of requests can be performed non- atomically, thus reducing contention issues with respect to the shared resource. Furthermore, dispatching of requests may be batched to reduce the overhead associated with individual dispatch operations.

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