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11. 发明授权

US08010822B2 Power-aware thread scheduling and dynamic use of processors 有权
标题翻译：电源感知线程调度和处理器的动态使用
公开(公告)号：US08010822B2
公开(公告)日：2011-08-30
申请号：US12057716
申请日：2008-03-28
申请人： Allen Marshall , Yimin Deng , Nicholas S. Judge , Arun U. Kishan , Andrew J. Ritz
发明人： Allen Marshall , Yimin Deng , Nicholas S. Judge , Arun U. Kishan , Andrew J. Ritz
IPC分类号： G06F1/32
CPC分类号： G06F1/3203 , G06F1/3287 , G06F1/329 , G06F9/5033 , G06F9/5094 , Y02D10/17 , Y02D10/171 , Y02D10/22 , Y02D10/24 , Y02D50/20
摘要： Techniques and apparatuses for providing power-aware thread scheduling and dynamic use of processors are disclosed. In some aspects, a multi-core system is monitored to determine core activity. The core activity may be compared to a power policy that balances a power savings plan with a performance plan. One or more of the cores may be parked in response to the comparison to reduce power consumption by the multi-core system. In additional aspects, the power-aware scheduling may be performed during a predetermined interval to dynamically park or unpark cores. Further aspects include adjusting the power state of unparked cores in response to the comparison of the core activity and power policy.
摘要翻译：公开了用于提供功率感知线程调度和处理器的动态使用的技术和设备。在某些方面，监控多核系统以确定核心活动。核心活动可以与将节电计划与性能计划进行平衡的电力政策进行比较。响应于比较可以停放一个或多个核，以减少多核系统的功耗。在另外的方面，可以在预定间隔期间执行功率感知调度以动态地驻留或解除核心。另外的方面包括响应于核心活动和电力政策的比较来调整未标记核心的功率状态。

12. 发明申请

US20100251250A1 LOCK-FREE SCHEDULER WITH PRIORITY SUPPORT 审中-公开
标题翻译：无优先安排，优先支持
公开(公告)号：US20100251250A1
公开(公告)日：2010-09-30
申请号：US12414454
申请日：2009-03-30
申请人： Arun U. Kishan , Thomas D. I. Fahrig , Rene Antonio Vega
发明人： Arun U. Kishan , Thomas D. I. Fahrig , Rene Antonio Vega
IPC分类号： G06F9/46
CPC分类号： G06F9/52 , G06F9/4843
摘要： Techniques for implementing a lock-free scheduler with ordering support are described herein. In addition to the foregoing, other aspects are described in the claims, drawings, and text forming a part of the present disclosure. It can be appreciated by one of skill in the art that one or more various aspects of the disclosure may include but are not limited to circuitry and/or programming for effecting the herein-referenced aspects of the present disclosure; the circuitry and/or programming can be virtually any combination of hardware, software, and/or firmware configured to effect the herein-referenced aspects depending upon the design choices of the system designer.
摘要翻译：本文描述了用于实现具有排序支持的无锁定调度器的技术。除了上述之外，其他方面在形成本公开的一部分的权利要求，附图和文本中描述。本领域技术人员可以理解，本公开的一个或多个各个方面可以包括但不限于用于实现本公开的本文参考的方面的电路和/或编程; 根据系统设计者的设计选择，电路和/或编程实际上可以是被配置为实现本文参考的方面的硬件，软件和/或固件的任何组合。

13. 发明授权

US09063775B2 Event aggregation for background work execution 有权
标题翻译：后台工作执行的事件聚合
公开(公告)号：US09063775B2
公开(公告)日：2015-06-23
申请号：US13224154
申请日：2011-09-01
申请人： James A. Schwartz, Jr. , Arun U. Kishan , Richard K. Neves , David B. Probert , Hari Pulapaka , Alain F. Gefflaut
发明人： James A. Schwartz, Jr. , Arun U. Kishan , Richard K. Neves , David B. Probert , Hari Pulapaka , Alain F. Gefflaut
IPC分类号： G06F13/00 , G06F9/48
CPC分类号： G06F9/4812
摘要： Systems, methods, and apparatus for separately managing foreground work and background work. In some embodiments, an operating system may identify at least one foreground component and at least one background component of a same application or different applications, and may manage the execution of the components differently. For example, the operating system may receive a request that at least one background component of an application be executed in response to at least one event. In response to detecting an occurrence of the at least one event, the operating system may determine whether at least one first condition set by the application is satisfied and whether at least one second condition set by the operating system is satisfied, and may execute the at least one background component when it is determined that the at least one first and second conditions are satisfied following the occurrence of the at least one event.
摘要翻译：用于单独管理前台工作和后台工作的系统，方法和装置。在一些实施例中，操作系统可以标识相同应用或不同应用的至少一个前台组件和至少一个后台组件，并且可以不同地管理组件的执行。例如，操作系统可以接收响应于至少一个事件来执行应用的至少一个后台组件的请求。响应于检测到所述至少一个事件的发生，操作系统可以确定是否满足由应用设置的至少一个第一条件以及是否满足由操作系统设置的至少一个第二条件，并且可以执行at 当确定在所述至少一个事件的发生之后满足所述至少一个第一和第二条件时，至少一个后台部件。

14. 发明授权

US09032413B2 Decoupling background work and foreground work 有权
标题翻译：去背景工作和前台工作
公开(公告)号：US09032413B2
公开(公告)日：2015-05-12
申请号：US13224168
申请日：2011-09-01
申请人： James A. Schwartz, Jr. , Arun U. Kishan , Richard K. Neves , David B. Probert , Hari Pulapaka , Alain F. Gefflaut
发明人： James A. Schwartz, Jr. , Arun U. Kishan , Richard K. Neves , David B. Probert , Hari Pulapaka , Alain F. Gefflaut
IPC分类号： G06F9/46 , G06F9/48 , G06F9/445 , G06F9/54
CPC分类号： G06F9/542 , G06F9/445 , G06F9/44521 , G06F9/4881 , G06F2209/543
摘要： Systems, methods, and apparatus for separately loading and managing foreground work and background work of an application. In some embodiments, a method is provided for use by an operating system executing on at least one computer. The operating system may identify at least one foreground component and at least one background component of an application, and may load the at least one foreground component for execution separately from the at least one background component. For example, the operating system may execute the at least one foreground component without executing the at least one background component. In some further embodiments, the operating system may use a specification associated with the application to identify at least one piece of computer executable code implementing the at least one background component.
摘要翻译：用于单独加载和管理应用程序的前台工作和后台工作的系统，方法和设备。在一些实施例中，提供了一种在至少一台计算机上执行的操作系统使用的方法。操作系统可以标识应用的至少一个前景组件和至少一个后台组件，并且可以将至少一个前景组件加载到与所述至少一个背景组件分开的执行中。例如，操作系统可以执行至少一个前景分量而不执行至少一个背景分量。在一些另外的实施例中，操作系统可以使用与应用相关联的规范来标识实现至少一个背景组件的至少一个计算机可执行代码。

15. 发明授权

US08640131B2 Demand-based processor cycle allocation subsequent to equal group-based processor cycle distribution 有权
标题翻译：在基于组的处理器周期分配之后的基于需求的处理器周期分配
公开(公告)号：US08640131B2
公开(公告)日：2014-01-28
申请号：US12016869
申请日：2008-01-18
申请人： Ara Bernardi , Costin Hagiu , Nelamangal Krishnaswamy Srinivas , Ashwin Palekar , Arun U. Kishan , Karthik Thirumalai
发明人： Ara Bernardi , Costin Hagiu , Nelamangal Krishnaswamy Srinivas , Ashwin Palekar , Arun U. Kishan , Karthik Thirumalai
IPC分类号： G06F9/46
CPC分类号： G06F9/5061 , G06F9/4881 , G06F2209/483 , G06F2209/5012 , G06F2209/508
摘要： Embodiments that facilitate the fair and dynamic distribution of central processing unit (CPU) time are disclosed. In accordance with one embodiment, a method includes organizing one or more processes into one or more groups. The method further includes allocating a CPU time interval for each group. The allocation of a CPU time interval for each group is accomplished by equally distributing a CPU cycle based on the number of groups. The method also includes adjusting the allocated CPU time intervals based on a change in the quantity of the one or more groups.
摘要翻译：公开了促进中央处理单元（CPU）时间的公平和动态分配的实施例。根据一个实施例，一种方法包括将一个或多个过程组织成一个或多个组。该方法还包括为每个组分配CPU时间间隔。每个组的CPU时间间隔的分配通过基于组的数量均等地分配CPU周期来实现。该方法还包括基于一个或多个组的数量的改变来调整分配的CPU时间间隔。

16. 发明授权

US08578394B2 Exempting applications from suspension 有权
标题翻译：免除申请暂停
公开(公告)号：US08578394B2
公开(公告)日：2013-11-05
申请号：US13229574
申请日：2011-09-09
申请人： Benjamin Salim Srour , Michael H. Krause , Richard K. Neves , Arun U. Kishan , Hari Pulapaka , David B. Probert , Zinaida A. Pozen
发明人： Benjamin Salim Srour , Michael H. Krause , Richard K. Neves , Arun U. Kishan , Hari Pulapaka , David B. Probert , Zinaida A. Pozen
IPC分类号： G06F13/00
CPC分类号： G06F9/46 , G06F9/485 , G06F9/54
摘要： Only a particular number of applications on a computing device are active at any given time, with applications that are not active being suspended. A policy is applied to determine when an application is to be suspended. However, an operating system component can have a particular application be exempted from being suspended (e.g., due to an operation being performed by the application). Additionally, an operating system component can have an application that has been suspended resumed (e.g., due to a desire of another application to communicate with the suspended application).
摘要翻译：在任何给定时间，只有计算设备上的特定数量的应用程序处于活动状态，而不起作用的应用程序被暂停。应用策略来确定应用程序何时被挂起。然而，操作系统组件可以使特定应用程序免于被暂停（例如，由于应用程序执行的操作）。此外，操作系统组件可以具有已被暂停的应用程序（例如，由于另一应用程序希望与暂停的应用程序通信）。

17. 发明授权

US08473964B2 Transparent user mode scheduling on traditional threading systems 有权
标题翻译：传统线程系统上的透明用户模式调度
公开(公告)号：US08473964B2
公开(公告)日：2013-06-25
申请号：US12242648
申请日：2008-09-30
申请人： Ajith Jayamohan , Arun U. Kishan , Dave Probert , Pedro Teixeira
发明人： Ajith Jayamohan , Arun U. Kishan , Dave Probert , Pedro Teixeira
IPC分类号： G06F3/00 , G06F9/46
CPC分类号： G06F9/545 , G06F9/461 , G06F9/4843 , G06F9/4881 , G06F9/54 , G06F13/1626
摘要： Embodiments for performing cooperative user mode scheduling between user mode schedulable (UMS) threads and primary threads are disclosed. In accordance with one embodiment, an asynchronous procedure call (APC) is received on a kernel portion of a user mode schedulable (UMS) thread. The status of the UMS thread as it is being processed in a multi-processor environment is determined. Based on the determined status, the APC is processed on the UMS thread.
摘要翻译：公开了在用户模式可调度（UMS）线程和主线程之间执行协作用户模式调度的实施例。根据一个实施例，在用户模式可调度（UMS）线程的内核部分上接收到异步过程调用（APC）。确定在多处理器环境中处理的UMS线程的状态。基于确定的状态，APC在UMS线程上进行处理。

18. 发明申请

US20130067494A1 Resuming Applications and/or Exempting Applications from Suspension 有权
标题翻译：恢复应用程序和/或免除应用程序暂停
公开(公告)号：US20130067494A1
公开(公告)日：2013-03-14
申请号：US13229574
申请日：2011-09-09
申请人： Benjamin Salim Srour , Michael H. Krause , Richard K. Neves , Arun U. Kishan , Hari Pulapaka , David B. Probert , Zinaida A. Pozen
发明人： Benjamin Salim Srour , Michael H. Krause , Richard K. Neves , Arun U. Kishan , Hari Pulapaka , David B. Probert , Zinaida A. Pozen
IPC分类号： G06F9/46
CPC分类号： G06F9/46 , G06F9/485 , G06F9/54
摘要： Only a particular number of applications on a computing device are active at any given time, with applications that are not active being suspended. A policy is applied to determine when an application is to be suspended. However, an operating system component can have a particular application be exempted from being suspended (e.g., due to an operation being performed by the application). Additionally, an operating system component can have an application that has been suspended resumed (e.g., due to a desire of another application to communicate with the suspended application).
摘要翻译：在任何给定时间，只有计算设备上的特定数量的应用程序处于活动状态，而不起作用的应用程序被暂停。应用策略来确定应用程序何时被挂起。然而，操作系统组件可以使特定应用程序免于被暂停（例如，由于应用程序执行的操作）。此外，操作系统组件可以具有已被暂停的应用程序（例如，由于另一应用程序希望与暂停的应用程序通信）。

19. 发明申请

US20100083261A1 INTELLIGENT CONTEXT MIGRATION FOR USER MODE SCHEDULING 有权
标题翻译：用于用户模式调度的智能语境移动
公开(公告)号：US20100083261A1
公开(公告)日：2010-04-01
申请号：US12242566
申请日：2008-09-30
申请人： Ajith Jayamohan , Arun U. Kishan , Dave Probert , Pedro Teixeira
发明人： Ajith Jayamohan , Arun U. Kishan , Dave Probert , Pedro Teixeira
IPC分类号： G06F9/46
CPC分类号： G06F9/461 , G06F9/545
摘要： Embodiments for performing directed switches between user mode schedulable (UMS) thread and primary threads are disclosed. In accordance with one embodiment, a primary thread user portion is switched to a UMS thread user portion so that the UMS thread user portion is executed in user mode via the primary thread user portion. The primary thread is then transferred into kernel mode via an implicit switch. A kernel portion of the UMS thread is then executed in kernel mode using the context information of a primary thread kernel portion.
摘要翻译：公开了用于在用户模式可调度（UMS）线程和主线程之间执行定向切换的实施例。根据一个实施例，主线程用户部分切换到UMS线程用户部分，使得UMS线程用户部分经由主线程用户部分以用户模式执行。然后，主线程通过隐式交换机转移到内核模式。然后使用主线程内核部分的上下文信息在内核模式下执行UMS线程的内核部分。

20. 发明授权

US08677360B2 Thread-related actions based on historical thread behaviors 有权
标题翻译：基于历史线程行为的线程相关动作
公开(公告)号：US08677360B2
公开(公告)日：2014-03-18
申请号：US13106627
申请日：2011-05-12
申请人： Pedro Miguel Sequeira de Justo Teixeira , Arun U. Kishan
发明人： Pedro Miguel Sequeira de Justo Teixeira , Arun U. Kishan
IPC分类号： G06F9/46
CPC分类号： G06F11/3476 , G06F11/3404 , G06F2201/865
摘要： Various embodiments provide techniques for managing threads based on a thread history. In at least some embodiments, a behavior associated with currently existing threads is observed and a thread-related action is performed. A result of the thread-related action with respect to the currently existing threads, resources associated with the currently existing threads (e.g., hardware and/or data resources), and/or other threads, is then observed. A thread history is recorded (e.g., as part of a thread history database) that includes the behavior associated with the currently existing threads, the thread related action that was performed, and the result of the thread-related action. The thread history can include information about multiple different thread behaviors and can be referenced to determine whether to perform thread-related actions in response to other observed thread behaviors.
摘要翻译：各种实施例提供了基于线程历史来管理线程的技术。在至少一些实施例中，观察与当前存在的线程相关联的行为，并且执行线程相关动作。然后，观察到关于当前存在的线程的线程相关动作的结果，与当前存在的线程（例如，硬件和/或数据资源）和/或其他线程相关联的资源。记录线程历史（例如，作为线程历史数据库的一部分），其包括与当前存在的线程相关联的行为，所执行的与线程相关的动作以及线程相关动作的结果。线程历史可以包括关于多个不同线程行为的信息，并且可以被引用以确定是否响应于其他观察到的线程行为执行线程相关动作。

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