公开(公告)号：US06499028B1

公开(公告)日：2002-12-24

申请号：US09282625

申请日：1999-03-31

申请人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  David Brian Glasco ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  David Brian Glasco ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

IPC分类号： G06F1700

CPC分类号： G06F11/3409 ,  G06F11/3414 ,  G06F11/3471 ,  G06F11/3495 ,  G06F12/08 ,  G06F12/0813 ,  G06F2201/81 ,  G06F2201/86 ,  G06F2201/87 ,  G06F2201/88 ,  G06F2212/2542 ,  Y10S707/99934

摘要： A performance monitor configured to count memory transactions and to issue an interrupt to the computer system if the monitor detects a specified number of transactions associated with a particular segment of the physical address space of the system. The monitor includes an interface suitable for coupling to an interconnect network of a computer system and configured to extract physical address information from a transaction traversing the interconnect network, a translation module adapted for associating the extracted physical address with one of a plurality of memory blocks and, in response thereto, incrementing a memory block counter corresponding to the memory block, and an interrupt unit configured to assert an interrupt if the block counter exceeds a predetermined value. The interface unit is configurable to selectively monitor either incoming or outgoing transactions and the translation unit preferably includes a plurality of region filters each comprising one or more of the memory blocks. In the preferred embodiment, the plurality of block counters are implemented with a random access memory device. In one embodiment useful for simulating operation of the system and for checking the design of the performance monitor, the monitor further includes a transaction generator coupled to the interconnect network and configured to issue specified remote memory transactions at specified intervals if a monitor enable bit of the performance monitor is disabled. In one embodiment, the transaction generator is configurable to issue either outgoing transactions or incoming transactions.

摘要翻译： 如果监视器检测到与系统的物理地址空间的特定段相关联的指定数量的事务，则性能监视器被配置为对存储器事务进行计数并向计算机系统发出中断。 监视器包括适于耦合到计算机系统的互连网络并被配置为从穿过互连网络的事务提取物理地址信息的接口，适于将所提取的物理地址与多个存储器块中的一个相关联的翻译模块，以及 响应于此，增加对应于存储块的存储器块计数器，以及中断单元，被配置为在块计数器超过预定值时断言中断。 接口单元可配置为选择性地监视输入或输出事务，并且转换单元优选地包括多个区域滤波器，每个区域滤波器包括一个或多个存储器块。 在优选实施例中，多个块计数器由随机存取存储器件实现。 在一个实施例中有用于模拟系统的操作和用于检查性能监视器的设计，监视器还包括耦合到互连网络并被配置为以特定间隔发布指定的远程存储器事务的事务发生器，如果监视器使能位 性能监视器被禁用。 在一个实施例中，事务生成器可配置为发出传出事务或传入事务。

公开(公告)号：US06349394B1

公开(公告)日：2002-02-19

申请号：US09282626

申请日：1999-03-31

申请人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  David Brian Glasco ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  David Brian Glasco ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

IPC分类号： G06F1100

CPC分类号： G06F11/3471 ,  G06F11/302 ,  G06F11/3072 ,  G06F11/349 ,  G06F2201/87 ,  G06F2201/88

摘要： A performance monitor for a computer system that includes an interface, a filter module, and an address mapping module. The interface is suitable for coupling to an interconnect network of the computer system. The interconnect network links a local node of the system with at least one remote node of the system. The interface is configured to extract physical address information from a transaction traversing the interconnect network. The filter module associates the physical address with one of several memory blocks, where each memory block comprises a contiguous portion of the system's physical address space. The address mapping module associates the identified memory block with at least one range of virtual addresses associated with at least one of a plurality of concurrently executing programs and increments each of a set of access counters. The association between the selected memory block and the access counters is facilitated by a pointer field corresponding to the memory block.

摘要翻译： 包括接口，过滤器模块和地址映射模块的计算机系统的性能监视器。 该接口适用于耦合到计算机系统的互连网络。 互连网络将系统的本地节点与系统的至少一个远程节点连接。 该接口被配置为从穿过互连网络的事务提取物理地址信息。 滤波器模块将物理地址与几个存储器块之一相关联，其中每个存储器块包括系统的物理地址空间的连续部分。 地址映射模块将所识别的存储器块与至少一个与多个并发执行程序中的至少一个相关联的虚拟地址范围进行关联，并增加一组访问计数器的每一个。 所选择的存储块和存取计数器之间的关联由对应于存储块的指针字段来促进。

公开(公告)号：US06442654B1

公开(公告)日：2002-08-27

申请号：US09458406

申请日：1999-12-10

申请人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

IPC分类号： G06F1200

CPC分类号： H04L67/2842

摘要： A system and method for providing in-server caching of shared data involves a server program that defines a server cache in RAM of a server machine and stores a selected file in the server cache. If a cached file is modified through the file system interface of the operating system of the server machine, the operating system automatically issues an upcall to the server program, the upcall identifying the modified file. In response to receipt of the upcall, the server program removes the modified file from the server cache. In one embodiment, the server program responds to a client request requiring access to a requested file by obtaining the requested file from the server cache if the server cache contains that file. Otherwise, the server program calls the operating system to obtain the requested file and then adds that file to the server cache as a cached file. The server program then generates a result based on the requested file and transmits the result to the remote data processing system.

摘要翻译： 用于提供共享数据的服务器间缓存的系统和方法涉及服务器程序，该服务器程序在服务器机器的RAM中定义服务器高速缓存，并将选定的文件存储在服务器高速缓存中。 如果通过服务器机器的操作系统的文件系统界面修改缓存的文件，则操作系统会自动向服务器程序发出一个上调，标识修改后的文件。 响应于接收到上调，服务器程序从服务器缓存中删除修改的文件。 在一个实施例中，如果服务器高速缓存包含该文件，服务器程序通过从服务器高速缓存获得所请求的文件来响应需要访问所请求文件的客户端请求。 否则，服务器程序会调用操作系统来获取所请求的文件，然后将该文件作为缓存文件添加到服务器缓存中。 然后，服务器程序基于所请求的文件生成结果，并将结果发送到远程数据处理系统。

公开(公告)号：US06601149B1

公开(公告)日：2003-07-29

申请号：US09460831

申请日：1999-12-14

申请人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

IPC分类号： G06F1300

CPC分类号： G06F11/323

摘要： A system for and method of monitoring memory transactions in a data processing system are disclosed. The method includes defining a set of memory transaction attributes with a monitoring system and detecting, on a data processing system connected to the monitoring system, memory transactions that match the defined set of memory transaction attributes. The number of detected memory transactions occurring during a specified duration are then displayed in a graphical format. In one embodiment, the data processing system comprises a non-uniform memory architecture (NUMA) system comprising a set of nodes. In this embodiment, the detected transactions comprise transactions passing through a switch connecting the nodes of the NUMA system. The set of memory transaction attributes may include memory transaction type information, node information, and transaction direction information. The data processing system may operate under a first operating system such as a Unix® based system while the monitoring system operates under a second operating system such as a Windows® operating system. The set of memory transactions may include memory address information. In this embodiment, defining the memory address information may include defining a memory window size, subdividing the memory window into a set of memory grains, and displaying the number of detected memory transactions corresponding to each memory grain in the memory window.

摘要翻译： 公开了一种在数据处理系统中监视存储器事务的系统和方法。 该方法包括使用监视系统定义一组存储器事务属性，并且在连接到监视系统的数据处理系统上检测与定义的存储器事务属性集匹配的存储器事务。 然后以图形格式显示在指定持续时间内发生的检测到的内存事务的数量。 在一个实施例中，数据处理系统包括包括一组节点的非均匀存储器架构（NUMA）系统。 在该实施例中，检测到的事务包括通过连接NUMA系统的节点的交换机的事务。 存储器事务属性集合可以包括存储器事务类型信息，节点信息和事务方向信息。 数据处理系统可以在诸如基于Unix的系统之类的第一操作系统下操作，同时监视系统在诸如Windows操作系统的第二操作系统下操作。 存储器事务的集合可以包括存储器地址信息。 在该实施例中，定义存储器地址信息可以包括定义存储器窗口大小，将存储器窗口细分成一组存储器晶粒，以及显示对应于存储器窗口中的每个存储器颗粒的检测到的存储器事务的数量。

公开(公告)号：US06473085B1

公开(公告)日：2002-10-29

申请号：US09465295

申请日：1999-12-17

申请人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazebllah Nabil Elinozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  Eli Chiprout ,  Elmootazebllah Nabil Elinozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III ,  Ronald Lynn Rockhold

IPC分类号： G06F1516

CPC分类号： G06T15/00

摘要： A method and system for optimizing image quality while operating an interactive graphics application within a data processing system. First, the image rendering speed for each of the rendering modes available within the interactive graphics application are assessed. Upon initial operation of the interactive graphics system, a default rendering mode is activated. During operation of the interactive graphics application, the processing load imposed on the data processing system is monitored and utilized as a user activity metric. The active rendering mode is updated in accordance with the user activity metric, such that the speed of the selected rendering mode varies inversely with the current processing load.

摘要翻译： 一种用于在数据处理系统内操作交互式图形应用程序时优化图像质量的方法和系统。 首先，评估交互式图形应用中可用的每个呈现模式的图像呈现速度。 在交互式图形系统的初始操作时，默认渲染模式被激活。 在交互式图形应用的操作期间，对数据处理系统施加的处理负荷被监视并用作用户活动度量。 主动渲染模式根据用户活动度量被更新，使得所选渲染模式的速度与当前处理负载成反比变化。

公开(公告)号：US08370517B2

公开(公告)日：2013-02-05

申请号：US09965013

申请日：2001-09-27

申请人： Patrick Joseph Bohrer ,  Bishop Chapman Brock ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III

发明人： Patrick Joseph Bohrer ,  Bishop Chapman Brock ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony ,  Freeman Leigh Rawson, III

IPC分类号： G06F15/16

CPC分类号： G06F1/3203 ,  G06F1/324 ,  H04L29/06 ,  H04L67/1002 ,  H04L67/1008 ,  H04L67/1014 ,  H04L67/1029 ,  H04L67/1031 ,  H04L69/24 ,  H04L69/329 ,  Y02D10/126

摘要： A data processing network and method for conserving energy in which an initial negotiation between a network server and a switch to which the server is connected is performed to establish an initial operating frequency of the server-switch link. An effective data rate of the server is determined based on network traffic at the server. Responsive to determining that the effective data rate is materially different than the current operating frequency, a subsequent negotiation is performed to establish a modified operating frequency where the modified operating frequency is closer to the effective data rate than the initial operating frequency. The determination of the effective date rate and the contingent initiation of a subsequent negotiation may be repeated periodically during the operating of the network. In one embodiment, the initial and subsequent negotiation are compliant with the IEEE 802.3 standard.

公开(公告)号：US06421775B1

公开(公告)日：2002-07-16

申请号：US09335301

申请日：1999-06-17

申请人： Bishop Chapman Brock ,  David Brian Glasco ,  James Lyle Peterson ,  Ramakrishnan Rajamony ,  Ronald Lynn Rockhold

发明人： Bishop Chapman Brock ,  David Brian Glasco ,  James Lyle Peterson ,  Ramakrishnan Rajamony ,  Ronald Lynn Rockhold

IPC分类号： G06F15177

CPC分类号： G06F15/177

摘要： A data processing system includes a plurality of processing nodes that each contain at least one processor and data storage. The plurality of processing nodes are coupled together by a system interconnect. The data processing system further includes a configuration utility residing in data storage within at least one of the plurality of processing nodes. The configuration utility selectively configures the plurality of processing nodes into either a single non-uniform memory access (NUMA) system or into multiple independent data processing systems through communication via the system interconnect.

摘要翻译： 数据处理系统包括多个处理节点，每个处理节点包含至少一个处理器和数据存储器。 多个处理节点通过系统互连耦合在一起。 数据处理系统还包括驻留在多个处理节点中的至少一个处理节点内的数据存储器中的配置实用程序。 配置实用程序通过经由系统互连的通信将多个处理节点选择性地配置为单个非均匀存储器访问（NUMA）系统或多个独立的数据处理系统。

公开(公告)号：US06701421B1

公开(公告)日：2004-03-02

申请号：US09640541

申请日：2000-08-17

申请人： Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

发明人： Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

IPC分类号： G06F1208

CPC分类号： G06F9/5016 ,  G06F9/4401 ,  G06F12/0813

摘要： A method for allocating memory in a data processing system in which a configuration table indicative of the system's physical memory is generated following a boot event. The configuration table is then modified to identify a portion of the system's physical memory thereby hiding the remaining portion from the operating system. Subsequently, a memory allocation request is initiated by an application program. A device driver invoked by the application program then maps physical memory from the hidden portion to the application's virtual address space to satisfy the application request. The application program may be executing on a first node of a multi-node system in which each node is associated with its own local memory, In this embodiment, the node on which the allocated physical memory is located may be derived from the allocation request thereby facilitating application level, allocation of specified portions of physical memory.

摘要翻译： 一种用于在数据处理系统中分配存储器的方法，其中在引导事件之后生成指示系统的物理存储器的配置表。 然后修改配置表以识别系统的物理存储器的一部分，从而隐藏来自操作系统的剩余部分。 随后，应用程序启动存储器分配请求。 应用程序调用的设备驱动程序然后将物理内存从隐藏部分映射到应用程序的虚拟地址空间，以满足应用程序请求。 应用程序可以在其中每个节点与其自己的本地存储器相关联的多节点系统的第一节点上执行。在该实施例中，可以从分配请求导出分配的物理存储器所在的节点 促进应用程序级别，物理内存的指定部分的分配。

公开(公告)号：US08452850B2

公开(公告)日：2013-05-28

申请号：US09736349

申请日：2000-12-14

申请人： Elizabeth Adleberg Brodsky ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

发明人： Elizabeth Adleberg Brodsky ,  Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

IPC分类号： G06F15/16 ,  G06F17/30

CPC分类号： G06F17/30864 ,  G06F17/30902

摘要： In one embodiment, an improved method for crawling a web site is provided. At least one page of the web site has a reference for executing by a browser to produce an address for a next page. The web site is crawled by the crawler program, which includes querying the web site server. The crawler parses such a reference from one of the web pages, and sends the reference to an applet running in the browser. The address for the next page is determined by the browser responsive to the reference. The address is then sent to the crawler. In an application of the improved crawler, the crawler is used for reducing dynamic data generation on the web site server. In this application, at least some of the web pages are dynamically generated responsive to the crawler queries. The server generated web pages are processed to generate corresponding processed versions of the web pages, so that the processed versions can be served in response to future queries, reducing dynamic generation of web pages by the server.

公开(公告)号：US07499966B2

公开(公告)日：2009-03-03

申请号：US09935414

申请日：2001-08-23

申请人： Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

发明人： Elmootazbellah Nabil Elnozahy ,  Ramakrishnan Rajamony

IPC分类号： G06F15/13

CPC分类号： H04L67/42 ,  H04L29/06 ,  H04L67/02 ,  H04L67/34 ,  H04L69/16 ,  H04L69/161 ,  H04L69/326 ,  H04L69/329

摘要： A web server that integrates portions of operating system code to execute substantially within user space to reduce context switching. The web server includes an application level interpreter, such as an HTTP interpreter, configured to process client requests. The web server typically includes a network interface dedicated to process traffic to and from the web server. The web server may include within its user space kernel device driver extensions enabling it to communicate directly with the network interface. The server may implement a polling architecture in which the server periodically monitors the interface for new requests. The web server typically includes a user space transmission protocol library that enables the server to perform its own network processing of requests and responses. The library may include TCP/IP drivers that are optimized or streamlined for to processing HTTP requests.

摘要翻译： 集成了部分操作系统代码以在用户空间内实质执行以减少上下文切换的Web服务器。 Web服务器包括配置为处理客户端请求的应用程序级解释器，例如HTTP解释器。 Web服务器通常包括专用于处理到Web服务器和从web服务器的流量的网络接口。 网络服务器可以在其用户空间内包括内核设备驱动程序扩展，使其能够直接与网络接口进行通信。 服务器可以实现轮询架构，其中服务器周期性地监视接口的新请求。 Web服务器通常包括用户空间传输协议库，其使服务器能够执行其自己的请求和响应的网络处理。 该库可能包括针对处理HTTP请求进行了优化或精简的TCP / IP驱动程序。