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1. 发明申请

US20140075142A1 MANAGING BACKING OF VIRTUAL MEMORY 审中-公开
标题翻译：管理虚拟内存的备份
公开(公告)号：US20140075142A1
公开(公告)日：2014-03-13
申请号：US13615377
申请日：2012-09-13
申请人： David Hom , James H. Mulder , Mariama Ndoye , Michael G. Spiegel , Elpida Tzortzatos
发明人： David Hom , James H. Mulder , Mariama Ndoye , Michael G. Spiegel , Elpida Tzortzatos
IPC分类号： G06F12/00
CPC分类号： G06F12/10 , G06F12/023 , G06F12/1009 , G06F2212/652 , G06F2212/657
摘要： A computer system includes memory and a processor configured to manage memory allocation. The processor is configured to execute a memory allocation request to allocate a portion of the memory to an application by determining whether a size of the memory allocation request is less than a first pre-defined size. The processor searches virtual memory for a free allocated memory area corresponding at least to the size of the memory allocation request based on determining that the size of the memory allocation request is less than the first pre-defined size.
摘要翻译：计算机系统包括存储器和被配置为管理存储器分配的处理器。处理器被配置为通过确定存储器分配请求的大小是否小于第一预定义大小来执行存储器分配请求以将一部分存储器分配给应用。基于确定存储器分配请求的大小小于第一预定义大小，处理器根据至少与存储器分配请求的大小对应的空闲分配的存储区域来搜索虚拟存储器。

2. 发明授权

US08572357B2 Monitoring events and incrementing counters associated therewith absent taking an interrupt 有权
标题翻译：监视事件并增加与之相关的计数器，而不采取中断
公开(公告)号：US08572357B2
公开(公告)日：2013-10-29
申请号：US12568748
申请日：2009-09-29
申请人： Dan Greiner , James H. Mulder , Robert R. Rogers , Robert W. StJohn
发明人： Dan Greiner , James H. Mulder , Robert R. Rogers , Robert W. StJohn
IPC分类号： G06F9/00
CPC分类号： G06F11/348 , G06F9/30076 , G06F2201/88
摘要： A monitoring facility that is operable in two modes allowing compatibility with prior existing monitoring facilities. In one mode, in response to encountering a monitored event, an interrupt is generated. In another mode, in response to encountering a monitored event, one or more associated counters are incremented without causing an interrupt.
摘要翻译：监控设施可在两种模式下操作，允许与现有的现有监控设施兼容。在一种模式中，响应于遇到监视事件，产生中断。在另一模式中，响应于遇到被监视的事件，一个或多个相关联的计数器递增而不引起中断。

3. 发明授权

US07650469B2 Determining whether a non-running processor has access to an address space 有权
标题翻译：确定不运行的处理器是否可以访问地址空间
公开(公告)号：US07650469B2
公开(公告)日：2010-01-19
申请号：US11470468
申请日：2006-09-06
申请人： Greg A. Dyck , Charles W. Gainey , Jeffrey P. Kubala , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Mark A. Wisniewski , Leslie W. Wyman
发明人： Greg A. Dyck , Charles W. Gainey , Jeffrey P. Kubala , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Mark A. Wisniewski , Leslie W. Wyman
IPC分类号： G06F13/00
CPC分类号： G06F9/45533 , G06F9/52
摘要： A method is provided for determining whether a logical processor of an information processing system has access to an address space of the information processing system. An instruction is issued by a first processor, the instruction referencing a target logical processor and a target address space. In response to the instruction, first information is checked to determine whether the target logical processor is running. When it is determined that the target logical processor is not running, second information is checked by a host program to determine whether the target logical processor has access to the target address space.
摘要翻译：提供了一种用于确定信息处理系统的逻辑处理器是否能够访问信息处理系统的地址空间的方法。指令由第一处理器发出，该指令引用目标逻辑处理器和目标地址空间。响应于该指令，检查第一信息以确定目标逻辑处理器是否正在运行。当确定目标逻辑处理器未运行时，主机程序检查第二信息，以确定目标逻辑处理器是否能够访问目标地址空间。

4. 发明申请

US20090259875A1 Store Clock and Store Clock Fast Instruction Execution 审中-公开
标题翻译：存储时钟和存储时钟快速指令执行
公开(公告)号：US20090259875A1
公开(公告)日：2009-10-15
申请号：US12488670
申请日：2009-06-22
申请人： Mark A. Check , Mark S. Farrell , Dan F. Greiner , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Timothy J. Slegel , Ronald M. Smith, SR.
发明人： Mark A. Check , Mark S. Farrell , Dan F. Greiner , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Timothy J. Slegel , Ronald M. Smith, SR.
IPC分类号： G06F1/04 , G06F9/30
CPC分类号： G06F9/30076 , G06F9/45558 , G06F9/5077 , G06F2009/45579
摘要： Two forms of TOD Clock instructions are provided, Store Clock and Store Clock Fast. Execution of the Store Clock Fast instruction may produce a time of day (TOD) result that is exactly the same as a previous TOD result, however execution of Store Clock Fast instructions while the clock is running always produce unique TOD results.
摘要翻译：提供两种形式的TOD时钟指令，快速存储时钟和存储时钟。存储时钟快速指令的执行可能产生与之前的TOD结果完全相同的时间（TOD）结果，但是在时钟运行时执行存储时钟快速指令总是产生唯一的TOD结果。

5. 发明申请

US20130185735A1 WARNING TRACK INTERRUPTION FACILITY 有权
公开(公告)号：US20130185735A1
公开(公告)日：2013-07-18
申请号：US13352509
申请日：2012-01-18
申请人： Mark S. Farrell , Charles W. Gainey, JR. , Jeffrey P. Kubala , James H. Mulder , Bernard Pierce , Robert R. Rogers , Donald W. Schmidt
发明人： Mark S. Farrell , Charles W. Gainey, JR. , Jeffrey P. Kubala , James H. Mulder , Bernard Pierce , Robert R. Rogers , Donald W. Schmidt
IPC分类号： G06F9/46
CPC分类号： G06F9/526 , G06F9/45533 , G06F9/45558 , G06F9/4881 , G06F9/4887 , G06F9/5038 , G06F9/54 , G06F9/542 , G06F13/24 , G06F2009/45579
摘要： A program (e.g., an operating system) is provided a warning that it has a grace period in which to perform a function, such as cleanup (e.g., complete, stop and/or move a dispatchable unit). The program is being warned, in one example, that it is losing access to its shared resources. For instance, in a virtual environment, a guest program is warned that it is about to lose its central processing unit resources, and therefore, it is to perform a function, such as cleanup.

6. 发明授权

US08489867B2 Monitoring events and incrementing counters associated therewith absent taking an interrupt 有权
公开(公告)号：US08489867B2
公开(公告)日：2013-07-16
申请号：US13446733
申请日：2012-04-13
申请人： Dan Greiner , James H. Mulder , Robert R. Rogers , Robert W. Stjohn
发明人： Dan Greiner , James H. Mulder , Robert R. Rogers , Robert W. Stjohn
IPC分类号： G06F9/00
CPC分类号： G06F11/348 , G06F9/30076 , G06F2201/88
摘要： A monitoring facility that is operable in two modes allowing compatibility with prior existing monitoring facilities. In one mode, in response to encountering a monitored event, an interrupt is generated. In another mode, in response to encountering a monitored event, one or more associated counters are incremented without causing an interrupt.

7. 发明授权

US08447949B2 Detection of zero address events in address formation 失效
标题翻译：检测地址形成中的零地址事件
公开(公告)号：US08447949B2
公开(公告)日：2013-05-21
申请号：US12487032
申请日：2009-06-18
申请人： Robert M. Abrams , Mark S. Farrell , Dan F. Greiner , Christian Jacobi , James H. Mulder , Peter J. Relson , Timothy J. Slegel , Peter K. Szwed
发明人： Robert M. Abrams , Mark S. Farrell , Dan F. Greiner , Christian Jacobi , James H. Mulder , Peter J. Relson , Timothy J. Slegel , Peter K. Szwed
IPC分类号： G06F9/34
CPC分类号： G06F11/073 , G06F9/34 , G06F11/0751
摘要： One or more registers used to form an address usable in accessing storage are examined to determine if a zero address event has occurred in forming the address. In response to an indication that a zero address event has occurred in address formation, an alert is provided to the program using the address to access storage.
摘要翻译：检查用于形成可用于访问存储器的地址的一个或多个寄存器，以确定在形成地址时是否发生了零地址事件。响应于在地址形成中已经发生零地址事件的指示，使用该地址访问存储器向程序提供警报。

8. 发明申请

US20100325385A1 DETECTION OF ZERO ADDRESS EVENTS IN ADDRESS FORMATION 失效
标题翻译：检测地址形成中的零地址事件
公开(公告)号：US20100325385A1
公开(公告)日：2010-12-23
申请号：US12487032
申请日：2009-06-18
申请人： Robert M. Abrams , Mark S. Farrell , Dan F. Greiner , Christian Jacobi , James H. Mulder , Peter J. Relson , Timothy J. Slegel , Peter K. Szwed
发明人： Robert M. Abrams , Mark S. Farrell , Dan F. Greiner , Christian Jacobi , James H. Mulder , Peter J. Relson , Timothy J. Slegel , Peter K. Szwed
IPC分类号： G06F12/06
CPC分类号： G06F11/073 , G06F9/34 , G06F11/0751
摘要： One or more registers used to form an address usable in accessing storage are examined to determine if a zero address event has occurred in forming the address. In response to an indication that a zero address event has occurred in address formation, an alert is provided to the program using the address to access storage.
摘要翻译：检查用于形成可用于访问存储器的地址的一个或多个寄存器，以确定在形成地址时是否发生了零地址事件。响应于在地址形成中已经发生零地址事件的指示，使用该地址访问存储器向程序提供警报。

9. 发明申请

US20090100243A1 High Performance, Lock-Free Virtual Storage Manager 审中-公开
标题翻译：高性能，无锁的虚拟存储管理器
公开(公告)号：US20090100243A1
公开(公告)日：2009-04-16
申请号：US11872821
申请日：2007-10-16
申请人： Donald F. Ault , Peter J. Relson , James H. Mulder , Elpida Tzortzatos , Paula M. Spens
发明人： Donald F. Ault , Peter J. Relson , James H. Mulder , Elpida Tzortzatos , Paula M. Spens
IPC分类号： G06F12/02
CPC分类号： G06F12/023
摘要： A virtual storage technique is provided to manage a cell pool or a set of cell pools which can be used to satisfy variable-size storage requests. The algorithm uses no locks and relies on an atomic compare-and-swap instruction to serialize updates to the fields that can be simultaneously requested by multiple threads or processes. A free chain is used to manage cells which have already been obtained and freed, while there is an active extent that is used to hand out cells which have not previously been obtained. The algorithm is based on all cell pool extents being the same size, which allows the control information for the extent to be easily located on the extent boundary (e.g. at a 1 MB boundary). Control information for each cell is stored independently of the cell storage in a control array that resides at the head of the extent, along with other control information. This avoids cell overrun from damaging the cell pool control information. The result is a high performance storage manager with good serviceability characteristics.
摘要翻译：提供虚拟存储技术来管理可用于满足可变大小的存储请求的单元池或一组单元池。该算法不使用锁，并且依赖于原子比较和交换指令来将更新序列化到可由多个线程或进程同时请求的字段。使用自由链来管理已经获得和释放的细胞，而存在用于递送以前未获得的细胞的活性程度。该算法基于所有的相同大小的单元池区段，这允许控制信息的范围容易地位于范围边界（例如，1MB边界）处。每个单元的控制信息与其他控制信息一起存储在驻留在扩展头的控制阵列中的单元存储单元。这避免了细胞溢出损坏细胞池控制信息。结果是一个高性能的存储管理器具有良好的可维护性。

10. 发明申请

US20080071502A1 METHOD AND SYSTEM OF RECORDING TIME OF DAY CLOCK 审中-公开
标题翻译：时钟记录方法和系统
公开(公告)号：US20080071502A1
公开(公告)日：2008-03-20
申请号：US11532172
申请日：2006-09-15
申请人： Mark A. Check , Mark S. Farrell , Dan F. Greiner , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Timothy J. Slegel , Ronald M. Smith , Peter G. Sutton
发明人： Mark A. Check , Mark S. Farrell , Dan F. Greiner , James H. Mulder , Damian L. Osisek , Robert R. Rogers , Timothy J. Slegel , Ronald M. Smith , Peter G. Sutton
IPC分类号： G06F17/40
CPC分类号： G06F9/30003
摘要： A method is provided for obtaining time-of-day (“TOD”) clock records on an information processing system. In accordance with such method, a first instruction is issued for recording a TOD clock value. In response to issuing the first instruction, a truncated version of a first current TOD clock value is obtained and recorded as a first TOD clock record, the first TOD clock value being a first current TOD clock value produced by a TOD clock running continuously on the information processing system. Thereafter, a second instruction is issued. In response to issuing the second instruction, a truncated version of a second current TOD clock value is obtained and recorded as a second TOD clock record, the second current TOD clock value being produced by the TOD clock, and the second TOD clock record being permitted to have the same value as the first TOD clock record.
摘要翻译：提供了一种用于在信息处理系统上获得时间（“TOD”）时钟记录的方法。根据这种方法，发出用于记录TOD时钟值的第一指令。响应于发出第一指令，获得第一当前TOD时钟值的截断版本并将其记录为第一TOD时钟记录，第一TOD时钟值是由TOD时钟上连续运行的TOD时钟产生的第一当前TOD时钟值信息处理系统。此后，发出第二条指令。响应于发出第二指令，获得第二当前TOD时钟值的截断版本并记录为第二TOD时钟记录，第二当前TOD时钟值由TOD时钟产生，并且第二TOD时钟记录被允许具有与第一个TOD时钟记录相同的值。

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