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1. 发明授权

US08261275B2 Method and system for heuristics-based task scheduling 有权
标题翻译：基于启发式任务调度的方法和系统
公开(公告)号：US08261275B2
公开(公告)日：2012-09-04
申请号：US12494034
申请日：2009-06-29
申请人： Darrin P. Johnson , Eric C. Saxe
发明人： Darrin P. Johnson , Eric C. Saxe
IPC分类号： G06F9/46
CPC分类号： G06F9/4881 , G06F9/542 , Y02D10/24
摘要： A computer readable storage medium including executable instructions for heuristics-based task scheduling. Instructions include receiving a first event notification associated with a first event, where the first event is determined from the first event notification. Instructions further include determining whether a predicate for an action is satisfied by the first event, where the action predicate, the action, and an action parameter are associated with a task object in a task pool. Instructions further include obtaining the action parameter when the action predicate is satisfied by the first event, where a priority is assigned using a heuristics policy to the task object based on the action parameter. Instructions further include inserting the task object into a task queue using the assigned priority. The action associated with the task object is performed by an execution thread. The performance of the action is a second event associated with a second event notification.
摘要翻译：一种包括用于基于启发式的任务调度的可执行指令的计算机可读存储介质。指示包括接收与第一事件相关联的第一事件通知，其中从第一事件通知确定第一事件。指令还包括确定动作谓词，动作和动作参数与任务池中的任务对象相关联的第一个事件是否满足动作的谓词。指令还包括当第一事件满足动作谓词时获取动作参数，其中基于动作参数使用启发式策略向任务对象分配优先级。说明进一步包括使用分配的优先级将任务对象插入任务队列。与任务对象相关联的动作由执行线程执行。该操作的执行是与第二个事件通知相关联的第二个事件。

2. 发明授权

US08135907B2 Method and system for managing wear-level aware file systems 有权
标题翻译：用于管理磨损级别感知文件系统的方法和系统
公开(公告)号：US08135907B2
公开(公告)日：2012-03-13
申请号：US12165463
申请日：2008-06-30
申请人： William H. Moore , Darrin P. Johnson , Eric C. Saxe
发明人： William H. Moore , Darrin P. Johnson , Eric C. Saxe
IPC分类号： G06F12/00
CPC分类号： G06F12/0246 , G06F3/0616 , G06F3/0631 , G06F3/0634 , G06F3/0644 , G06F3/0685 , G06F17/30091 , G06F2212/1036 , G06F2212/7211
摘要： A method for wear level-based allocation in a storage pool. The method includes receiving a first request to write a first data item in a storage pool, where the storage pool includes a number of physical locations associated with the storage devices, and where each of the storage devices includes metadata regarding a level of wear of the storage device. The method further includes determining a first target physical location selected from the plurality of physical locations by using a wear-level selection policy and a wear cost for each of the storage devices, where the wear cost is determined based on a type of the storage device. The method further includes allocating a first data block to the first target physical location writing the first data block to the first target physical locations, wherein the first data block comprises a first portion of the first data item.
摘要翻译：一种存储池中基于级别的磨损分配方法。该方法包括接收在存储池中写入第一数据项的第一请求，其中存储池包括与存储设备相关联的多个物理位置，并且其中每个存储设备包括关于所述存储设备的磨损水平的元数据储存设备。该方法还包括通过使用磨损等级选择策略和每个存储设备的磨损成本来确定从多个物理位置中选择的第一目标物理位置，其中磨损成本基于存储设备的类型来确定。该方法还包括将第一数据块分配给第一目标物理位置，将第一数据块写入第一目标物理位置，其中第一数据块包括第一数据项的第一部分。

3. 发明申请

US20090327602A1 METHOD AND SYSTEM FOR MANAGING WEAR-LEVEL AWARE FILE SYSTEMS 有权
标题翻译：用于管理等级AWARE文件系统的方法和系统
公开(公告)号：US20090327602A1
公开(公告)日：2009-12-31
申请号：US12165463
申请日：2008-06-30
申请人： William H. Moore , Darrin P. Johnson , Eric C. Saxe
发明人： William H. Moore , Darrin P. Johnson , Eric C. Saxe
IPC分类号： G06F12/02 , G06F12/16 , G06F12/00
CPC分类号： G06F12/0246 , G06F3/0616 , G06F3/0631 , G06F3/0634 , G06F3/0644 , G06F3/0685 , G06F17/30091 , G06F2212/1036 , G06F2212/7211
摘要： A method for wear level-based allocation in a storage pool. The method includes receiving a first request to write a first data item in a storage pool, where the storage pool includes a number of physical locations associated with the storage devices, and where each of the storage devices includes metadata regarding a level of wear of the storage device. The method further includes determining a first target physical location selected from the plurality of physical locations by using a wear-level selection policy and a wear cost for each of the storage devices, where the wear cost is determined based on a type of the storage device. The method further includes allocating a first data block to the first target physical location writing the first data block to the first target physical locations, wherein the first data block comprises a first portion of the first data item.
摘要翻译：一种存储池中基于级别的磨损分配方法。该方法包括接收在存储池中写入第一数据项的第一请求，其中存储池包括与存储设备相关联的多个物理位置，并且其中每个存储设备包括关于所述存储设备的磨损水平的元数据储存设备。该方法还包括通过使用磨损等级选择策略和每个存储设备的磨损成本来确定从多个物理位置中选择的第一目标物理位置，其中磨损成本基于存储设备的类型来确定。该方法还包括将第一数据块分配给第一目标物理位置，将第一数据块写入第一目标物理位置，其中第一数据块包括第一数据项的第一部分。

4. 发明申请

US20090089531A1 METHOD AND SYSTEM FOR MEMORY MANAGEMENT 有权
标题翻译：内存管理方法与系统
公开(公告)号：US20090089531A1
公开(公告)日：2009-04-02
申请号：US11863160
申请日：2007-09-27
申请人： Darrin P. Johnson , Eric C. Saxe , Sherry Q. Moore
发明人： Darrin P. Johnson , Eric C. Saxe , Sherry Q. Moore
IPC分类号： G06F12/00
CPC分类号： G06F12/023 , G06F2212/1028 , G06F2212/7208 , Y02D10/13
摘要： A method for memory management that includes receiving a request for memory space, identifying a first memory module from a plurality of memory modules based on a first memory power management policy, wherein the first memory power management policy specifies how to allocate memory space in the plurality of memory modules to satisfy a power consumption criteria, and allocating the memory space on the first memory module.
摘要翻译：一种用于存储器管理的方法，包括接收对存储器空间的请求，基于第一存储器电源管理策略从多个存储器模块识别第一存储器模块，其中所述第一存储器电源管理策略指定如何分配所述多个存储器空间中的存储器空间的存储器模块以满足功耗标准，并且将所述存储器空间分配在所述第一存储器模块上。

5. 发明申请

US20140208330A1 METHOD AND APPARATUS FOR EFFICIENT SCHEDULING OF MULTITHREADED PROGRAMS 有权
标题翻译：多方案程序高效调度的方法与装置
公开(公告)号：US20140208330A1
公开(公告)日：2014-07-24
申请号：US13873640
申请日：2013-04-30
申请人： Kishore Kumar Pusukuri , Eric C. Saxe , Darrin P. Johnson
发明人： Kishore Kumar Pusukuri , Eric C. Saxe , Darrin P. Johnson
IPC分类号： G06F9/50
CPC分类号： G06F9/4881 , G06F9/5027 , G06F9/52 , G06F2209/483 , G06F2209/485 , G06F2209/5018 , G06F2209/508
摘要： In general, the invention relates to a non-transitory computer readable medium comprising instructions, which when executed by a processor perform a method. The method includes obtaining lock overhead times for a plurality of threads, generating a set of thread groups, wherein each of the plurality of threads is assigned to one of the plurality of thread groups based on the lock overhead times, allocating at least one core of a multi-core system to each of the plurality of thread groups, and assigning a time-quantum for each of the plurality of thread groups, wherein the time-quantum for each of the plurality of thread groups corresponds to an amount of time that threads in each of the plurality of thread groups can execute on the at least one allocated core.
摘要翻译：一般来说，本发明涉及一种包括指令的非暂时性计算机可读介质，当由处理器执行时执行该方法。该方法包括获得多个线程的锁定开销时间，生成一组线程组，其中基于锁定开销时间将多个线程中的每一个分配给多个线程组中的一个，分配至少一个线程多核线程组中的每一个的多核系统，以及为所述多个线程组中的每个线程组分配时间量，其中所述多个线程组中的每个线程组的时间量对应于所述线程的时间量在所述多个线程组中的每一个可以在所述至少一个分配的核上执行。

6. 发明授权

US07882319B2 Method and system for memory management 有权
标题翻译：内存管理方法和系统
公开(公告)号：US07882319B2
公开(公告)日：2011-02-01
申请号：US11863160
申请日：2007-09-27
申请人： Darrin P. Johnson , Eric C. Saxe , Sherry Q. Moore
发明人： Darrin P. Johnson , Eric C. Saxe , Sherry Q. Moore
IPC分类号： G06F13/00 , G06F13/28
CPC分类号： G06F12/023 , G06F2212/1028 , G06F2212/7208 , Y02D10/13
摘要： A method for memory management that includes receiving a request for memory space, identifying a first memory module from a plurality of memory modules based on a first memory power management policy, wherein the first memory power management policy specifies how to allocate memory space in the plurality of memory modules to satisfy a power consumption criteria, and allocating the memory space on the first memory module.
摘要翻译：一种用于存储器管理的方法，包括接收对存储器空间的请求，基于第一存储器电源管理策略从多个存储器模块识别第一存储器模块，其中所述第一存储器电源管理策略指定如何分配所述多个存储器空间中的存储器空间的存储器模块以满足功耗标准，并且将所述存储器空间分配在所述第一存储器模块上。

7. 发明申请

US20100332883A1 METHOD AND SYSTEM FOR EVENT-BASED MANAGEMENT OF RESOURCES 有权
标题翻译：基于事件的资源管理方法与系统
公开(公告)号：US20100332883A1
公开(公告)日：2010-12-30
申请号：US12495079
申请日：2009-06-30
申请人： Eric C. Saxe , Darrin P. Johnson , William D. Holler
发明人： Eric C. Saxe , Darrin P. Johnson , William D. Holler
IPC分类号： G06F1/26 , G06F9/46 , G06F1/32
CPC分类号： G06F1/3203 , G06F1/329 , G06F9/5033 , G06F9/5094 , Y02D10/22 , Y02D10/24
摘要： A system for dispatching a thread to a resource obtains a thread and utilization data for all resources. The system determines if there is a thread-resource affinity. The system uses thread-resource affinity to identify a resource and a timestamp for when the thread last completed executing on the resource. The system determines if the resource qualifies under a dispatch policy. The system uses utilization data to determine a timestamp for when the resource last transitioned to a not powered state. When the second timestamp precedes the first timestamp, the system dispatches the thread to the resource and generates a power management event. The system determines if the power management event satisfies a throttle policy. The system discards the power management event when throttle policy is unsatisfied and determines whether to adjust the current power state of the resource based on the power management event when throttle policy is satisfied.
摘要翻译：将线程调度到资源的系统获取所有资源的线程和利用率数据。系统确定是否存在线程资源关联。系统使用线程资源关联来标识资源和时间戳，以便线程上次完成在资源上执行时。系统确定资源是否符合调度策略。系统使用利用率数据来确定资源何时上次转换为未供电状态的时间戳。当第二个时间戳在第一个时间戳之前时，系统会将线程调度到资源并生成电源管理事件。系统确定电源管理事件是否满足节气门策略。当节流策略不满足时，系统将放弃电源管理事件，并在确定节流策略时根据电源管理事件决定是否调整资源的当前电源状态。

8. 发明申请

US20090320000A1 METHOD AND SYSTEM FOR POWER MANAGEMENT USING TRACING DATA 有权
标题翻译：使用跟踪数据进行电源管理的方法和系统
公开(公告)号：US20090320000A1
公开(公告)日：2009-12-24
申请号：US12142676
申请日：2008-06-19
申请人： Eric C. Saxe , Darrin P. Johnson , Jonathan J. Chew
发明人： Eric C. Saxe , Darrin P. Johnson , Jonathan J. Chew
IPC分类号： G06F9/44
CPC分类号： G06F1/3203 , G06F11/348 , G06F11/3495 , Y02D10/34
摘要： A method for power managing hardware. The method includes determining hardware to power manage, sending a tracing request from a power management control to a tracing framework to obtain usage data of the hardware, and identifying a first probe to obtain first tracing data corresponding to the usage data in a first hardware control software component, where the first hardware control software is configured to interact with the hardware. The method further includes enabling the first probe, obtaining the first tracing data from the first probe, where the first tracing data is obtained when the first probe is encountered during execution of the first hardware control software, and modifying operation of the hardware using the first tracing data.
摘要翻译：一种电源管理硬件的方法。该方法包括确定硬件以进行功率管理，将跟踪请求从功率管理控制发送到跟踪框架以获取硬件的使用数据，以及识别第一探针以获得与第一硬件控制中的使用数据相对应的第一跟踪数据软件组件，其中第一硬件控制软件被配置为与硬件交互。该方法还包括启用第一探测器，获得来自第一探测器的第一跟踪数据，其中在执行第一硬件控制软件期间遇到第一探针时获得第一跟踪数据，以及使用第一探测器修改硬件的操作跟踪数据。

9. 发明申请

US20090089782A1 METHOD AND SYSTEM FOR POWER-MANAGEMENT AWARE DISPATCHER 有权
标题翻译：用于电源管理识别器的方法和系统
公开(公告)号：US20090089782A1
公开(公告)日：2009-04-02
申请号：US11863026
申请日：2007-09-27
申请人： Darrin P. Johnson , Eric C. Saxe , Bart Smaalders
发明人： Darrin P. Johnson , Eric C. Saxe , Bart Smaalders
IPC分类号： G06F9/46 , G06F1/08
CPC分类号： G06F1/3203 , G06F1/324 , G06F1/329 , G06F9/5027 , G06F9/5094 , G06F2209/508 , Y02D10/126 , Y02D10/22 , Y02D10/24
摘要： In general the invention relates to a system. The system includes processors each having a processing state. The system further includes a dispatcher operatively connected to the plurality of processors and configured to: receive a first thread to dispatch, select one of the processors to dispatch the thread to based on the processing state the processors and a power management policy, and dispatch the thread to the selected one of the plurality of processors.
摘要翻译：一般来说，本发明涉及一种系统。该系统包括具有处理状态的处理器。所述系统还包括可操作地连接到所述多个处理器的调度器，并且被配置为：接收第一线程以调度，选择所述处理器之一以基于处理器的处理状态和电源管理策略来调度线程，并且发送线程到多个处理器中的所选择的一个。

10. 发明授权

US08762999B2 Guest-initiated resource allocation request based on comparison of host hardware information and projected workload requirement 有权
标题翻译：基于主机硬件信息与预计工作负载需求比较的客户资源分配请求
公开(公告)号：US08762999B2
公开(公告)日：2014-06-24
申请号：US11863157
申请日：2007-09-27
申请人： Darrin P. Johnson , Eric C. Saxe , Jonathan J. Chew
发明人： Darrin P. Johnson , Eric C. Saxe , Jonathan J. Chew
IPC分类号： G06F9/455 , G06F15/163 , G06F9/50
CPC分类号： G06F9/455 , G06F9/5077
摘要： In general, embodiments of the invention relates to a method for conveying hardware resources from a host (OS) executing on a computer system. The method includes obtaining host hardware information by the host OS, wherein the host hardware information specifies a plurality of physical hardware components of the computer system, sending the host hardware information to a guest OS executing within the host OS, generating, by the guest OS, a resource request using the host hardware information, sending, by the guest OS, the resource request to the host OS, and in response to receiving the resource request, allocating, by the host OS, guest hardware resources, where the guest hardware resources include at least one of the physical hardware components in the resource request.
摘要翻译：通常，本发明的实施例涉及一种从在计算机系统上执行的主机（OS）传送硬件资源的方法。该方法包括由主机OS获取主机硬件信息，其中主机硬件信息指定计算机系统的多个物理硬件组件，将主机硬件信息发送到在主机OS内执行的客户操作系统，由客户操作系统使用所述主机硬件信息的资源请求，由所述客户OS向所述主机OS发送所述资源请求，并且响应于接收到所述资源请求，由所述主机OS分配来宾硬件资源，所述访客硬件资源在资源请求中包括至少一个物理硬件组件。

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