| 6178452 |
Method of performing self-diagnosing and self-repairing at a client node in a client/server system |
| Jan-23-2001 |
A client/server system wherein a file which has been repeatedly repaired for time equal to or more than certain times, a file which has been repeatedly repaired with frequency equal to or higher than a... |
| 6173308 |
Deadlock detection mechanism for data processing system, with doublechecking to confirm that detected deadlock is non-spurious |
| Jan-9-2001 |
A distributed data processing system has a deadlock detection mechanism for detecting a potential deadlock involving a cyclic chain of dependencies between transactions. The system also has a deadlock... |
| 6173307 |
Multiple-reader multiple-writer queue for a computer system |
| Jan-9-2001 |
The circular queue invention herein provides a mechanism and method for producers of fixed-size data items to deliver those items to consumers even under circumstances in which multiple producers and multiple... |
| 6173306 |
Dynamic load balancing |
| Jan-9-2001 |
A method of controlling distribution of processing in a system that includes a plurality of host data processors connected to a data storage system which includes a digital storage that is partitioned... |
| 6167423 |
Concurrency control of state machines in a computer system using cliques |
| Dec-26-2000 |
In a computing environment containing a plurality of state machines that communicate by passing messages on connections, a construct called a clique controls access into a set of the state machines by... |
| 6163792 |
Process for the automation of informatic procedures and device therefor |
| Dec-19-2000 |
A device for executing informatic procedures, including activities of end of day and/or data safety procedures, for data processing systems, includes at least one component for requesting the starting... |
| 6154763 |
Method for specifying a system having a plurality of interconnected functional modules, each representing a respective abstract-state based machine, and a system so specified |
| Nov-28-2000 |
A method for specifying a system comprising a plurality of interconnected functional modules each representing a respective abstract-state based machine, and a system so specified. A system is specified... |
| 6148378 |
Process for operating a machine with non-uniform memory access and cache coherency and a machine for implementing the process |
| Nov-14-2000 |
A machine with non-uniform memory access and cache coherency is constituted by a plurality of modules (10, 20, 40, 60), each module comprising a unit (6, 26, 46, 66), the unit (6) comprising at least a... |
| 6148322 |
Processing unit with an improved ability to coordinate the execution of multiple tasks with varying priorities |
| Nov-14-2000 |
The present invention provides a processing unit with an improved ability to coordinate the execution of multiple tasks with varying priorities. Tasks to be executed are assigned both a request condition... |
| 6144984 |
Method and apparatus for controlling connected computers without programming |
| Nov-7-2000 |
A process for creating, maintaining, and executing network applications. A user specifies a network application as an interconnection of tasks, each task being addressed to run on one or more computers.... |
| 6141794 |
System and method for synchronizing access to shared variables in a virtual machine in a digital computer system |
| Oct-31-2000 |
A code generating system generates, from code in a program, native code that is executable by a computer system. The code generating system may be included in a just-in-time compiler used to generate native... |
| 6138168 |
Support for application programs in a distributed environment |
| Oct-24-2000 |
Provided are a system and method for supporting communication between application programs and the processing of messages by those programs. A table driven approach is used to select appropriate components... |
| 6134627 |
Thread synchronization in a computer controlled by an object-based program |
| Oct-17-2000 |
A method for synchronizing threads in a computer operating under control of a program written in an object-based computer programming language provides for a first thread to lock an object by moving the... |
| 6131183 |
Computer and method for enabling graphic user interface (GUI) control and command line (TTY) control of a computer program |
| Oct-10-2000 |
The ARC/INFO.RTM. geographic information system (GIS) computer program (28) supports multiple threads of command line (TTY) and graphic user interface (GUI) operations. A TTY operation at the top of a... |
| 6128640 |
Method and apparatus for user-level support for multiple event synchronization |
| Oct-3-2000 |
A system and method for emulating complete operating system support for synchronization of the execution of a process on multiple independent events. The emulation includes creating a thread and control;... |
| 6125382 |
Distributed thread mechanism and method |
| Sep-26-2000 |
According to the preferred embodiment of the present invention, a method and apparatus for facilitating communications between client objects and server objects in a distributed object system is provided.... |
| 6122712 |
Cache coherency controller of cache memory for maintaining data anti-dependence when threads are executed in parallel |
| Sep-19-2000 |
Disclosed is a cache coherency controller used in a multi-processor system. The cache coherency controller reflects a cache line including data produced by a preceding thread to a cache line including... |
| 6119206 |
Design of tags for lookup of non-volatile registers |
| Sep-12-2000 |
Stack tracebacks are performed in debugging and exception handling routines, and involve providing the values of non-volatile registers at the time of entry into each function in a call chain. One stack... |
| 6117180 |
Hardware-software co-synthesis of heterogeneous distributed embedded systems for low overhead fault tolerance |
| Sep-12-2000 |
Embedded systems employed in critical applications demand high reliability and availability in addition to high performance. Hardware-software co-synthesis is the process of partitioning an embedded system... |
| 6115745 |
Scheduling of distributed agents in a dialup network |
| Sep-5-2000 |
A method of managing a plurality of client machine "Web agents" vying for a resource in a computer network having a central authority. The resource may be a limited number of telephone connections in a... |
| 6112223 |
Apparatus for fault-tolerant multimedia program distribution |
| Aug-29-2000 |
A fault tolerant multimedia program distribution system includes a number of controllers for transmitting instances of predetermined multimedia program information to a communications network at predetermined... |
| 6112222 |
Method for resource lock/unlock capability in multithreaded computer environment |
| Aug-29-2000 |
Hybrid lock and unlock capabilities are provided for a threaded computing environment. For example, kernel locking services are selectively employed in conjunction with functions in the POSIX threads standard... |
| 6112221 |
System and method for scheduling web servers with a quality-of-service guarantee for each user |
| Aug-29-2000 |
In accordance with one embodiment of the invention, a server system computes a feasible stretch value for use in scheduling job requests. A stretch value provides an indication of the delay experienced... |
| 6110220 |
Concurrent hardware-software co-synthesis of hard real-time aperiodic and periodic specifications of embedded system architectures |
| Aug-29-2000 |
Hardware-software co-synthesis of an embedded system requires mapping of its specifications into hardware and software modules such that its real-time and other constraints are met. Embedded system specifications... |
| 6108707 |
Enhanced file transfer operations in a computer system |
| Aug-22-2000 |
In a general computer system or computer network, the ability to transfer (i.e., copy and/or move) files from a source location to a destination location within the computer system or computer network... |
| 6108683 |
Computer system process scheduler determining and executing processes based upon changeable priorities |
| Aug-22-2000 |
A computer-system fixed-priority process scheduler that is supported by an operating system (OS) and establishes fixed priorities respectively corresponding to a plurality of processes to be scheduled.... |
| 6106575 |
Nested parallel language preprocessor for converting parallel language programs into sequential code |
| Aug-22-2000 |
A preprocessor for a nested parallel language converts a program written in the nested parallel language to a sequential programming language and calls to a message passing interface. The sequential programming... |
| 6105099 |
Method for synchronizing use of dual and solo locking for two competing processors responsive to membership changes |
| Aug-15-2000 |
To satisfy host requests, two competing processors self-manage access to a shared resource. Each processor maintains a lock table listing that processor's access state regarding the shared resource. Each... |
| 6105067 |
Connection pool management for backend servers using common interface |
| Aug-15-2000 |
A technique, system, and computer program for enhancing performance of the computers in a Web environment. This is done by creating a pool of connections between a Web server and backend data servers,... |
| 6105053 |
Operating system for a non-uniform memory access multiprocessor system |
| Aug-15-2000 |
An operating system for a non-uniform memory access (NUMA) multiprocessor system that utilizes a software abstraction of the NUMA system hardware representing a hierarchical tree structure to maintain... |
| 6105050 |
System for resource lock/unlock capability in multithreaded computer environment |
| Aug-15-2000 |
Hybrid lock and unlock capabilities are provided for a threaded computing environment. For example, kernel locking services are selectively employed in conjunction with functions in the POSIX threads standard... |
| 6105049 |
Resource lock/unlock capability in multithreaded computer environment |
| Aug-15-2000 |
Hybrid lock and unlock capabilities are provided for a threaded computing environment. For example, kernel locking services are selectively employed in conjunction with functions in the POSIX threads standard... |
| 6101524 |
Deterministic replay of multithreaded applications |
| Aug-8-2000 |
A multithreaded program includes sequences of events wherein each sequence is associated with one of a plurality of execution threads. In a record mode, the software tool of the present invention records... |
| 6101419 |
Modular control system for manufacturing facility |
| Aug-8-2000 |
A modular control system for an automated manufacturing facility, especially for use with a semiconductor fabrication facility having a number of discrete process components, provides a master control... |
| 6098126 |
Method and apparatus for synchronization of data retrieval and presentation |
| Aug-1-2000 |
An apparatus for synchronizing data retrieval is described. The apparatus comprises a storage media storing data, a storage control device coupled to the storage media for retrieving the data from the... |
| 6098091 |
Method and system including a central computer that assigns tasks to idle workstations using availability schedules and computational capabilities |
| Aug-1-2000 |
A method and system for assigning tasks to peer-to-peer computers connected via a wide area network. The system includes a central computer and one or more remote computers. The central computer and the... |
| 6092095 |
Real-time task manager for a personal computer |
| Jul-18-2000 |
A real-time manager for a personal computer manages the operation of real-time tasks while the personal computer also performs other tasks. The real-time manager includes at least one real-time kernel... |
| 6088742 |
Command queuing apparatus and method of optical disk data reproduction system |
| Jul-11-2000 |
A method and apparatus are provided to buffer commands sent from a computer to a peripheral device such as an optical disk data reproduction system, e.g., a CD-ROM drive, so that, even when execution of... |
| 6086628 |
Power-related hardware-software co-synthesis of heterogeneous distributed embedded systems |
| Jul-11-2000 |
Hardware-software co-synthesis is the process of partitioning an embedded system specification into hardware and software modules to meet performance, power, and cost goals. Embedded systems are generally... |
| 6085216 |
Method and system for efficiently allocating resources for solving computationally hard problems |
| Jul-4-2000 |
A resource allocation method and system allocates a computational resource between elements of a portfolio of computational entities. The computational resource can be processing time, memory or display... |
| 6085215 |
Scheduling mechanism using predetermined limited execution time processing threads in a communication network |
| Jul-4-2000 |
Method and apparatus for avoiding receive livelock and transmit starvation, and for minimizing packet loss and latency in a communication network station. The invention uses a combination of processing... |
| 6081826 |
System using environment manager with resource table in each computer for managing distributed computing resources managed for each application |
| Jun-27-2000 |
In correspondence to an application, a resource table to manage computing resources which are available for the application is provided in a rule such that a plurality of applications can mutually use... |
| 6078947 |
Medical installation system |
| Jun-20-2000 |
A medical installation system including at least one medical therapy and/or diagnostics apparatus having a controller with a control computer, and further including at least one computer work station connected... |
| 6078945 |
Operating system for use with computer networks incorporating two or more data processors linked together for parallel processing and incorporating improved dynamic load-sharing techniques |
| Jun-20-2000 |
A data processing system incorporates two or more processors linked together in a network which are capable of parallel processing. The data processing system employs a load-sharing technique where any... |
| 6078943 |
Method and apparatus for dynamic interval-based load balancing |
| Jun-20-2000 |
A method for use in geographically distributed or clustered system wherein an arbiter assigns clients to servers. The arbiter also dynamically assigns a valid time interval to each mapping request based... |
| 6078919 |
Method and apparatus for delivery of data over a network based on determination of network parameters |
| Jun-20-2000 |
A request for transfer of data over a network is processed to obtain current values of network parameters such as aggregate network processing overhead and effective network bandwidth. In response to receipt... |
| 6078325 |
Object oriented customer information exchange system and method |
| Jun-20-2000 |
A computer-based information exchange system permits customers to request and receive different types of information from various sources. The operation of the system is controlled by an application created... |
| 6076174 |
Scheduling framework for a heterogeneous computer network |
| Jun-13-2000 |
A scheduling framework for a heterogeneous computer network comprises a task performance predictor for estimating computation time on each computer in a network for each job input to the network, a performance... |
| 6073158 |
System and method for processing multiple received signal sources |
| Jun-6-2000 |
A system and method for time slicing multiple received data streams utilizing multiple processors in such a manner as to ensure that all processors are running at full capability and are efficiently timesharing... |
| 6070144 |
System and process for job scheduling using limited discrepancy search |
| May-30-2000 |
Assignment of attributes to elements subject to constraints is achieved using a system that has a systematic engine and a nonsystematic engine. The systematic engine includes a schedule developer for producing... |
