| 6021425 |
System and method for optimizing dispatch latency of tasks in a data processing system |
| Feb-1-2000 |
The invention provides a system and method of enhancing efficiency in a data processing system having a processor, a memory, and a multitasking operating system for managing the processor and the memory.... |
| 6014760 |
Scheduling method and apparatus for a distributed automated testing system |
| Jan-11-2000 |
The present invention provides a scheduling method and apparatus for use in an automated testing system for automatically scheduling and allocating jobs to test machines. The automated testing system may... |
| 6006269 |
Admission control system with messages admitted or deferred for re-submission at a later time on a priority basis |
| Dec-21-1999 |
This disclosure provides for admission control having enhanced quality of service. A server-resident admission control system implements measurement-based admission control to determine whether a requested... |
| 6006249 |
Method and apparatus for concurrent data processing |
| Dec-21-1999 |
A system including a plurality of micro-processing units each operating under its own control program and being capable of performing at least one of a plurality of tasks for manipulating electronic data,... |
| 6003062 |
Iterative algorithm for performing max min fair allocation |
| Dec-14-1999 |
The present invention pertains to a method for providing service to entities. The method comprises the steps of receiving a first request for service by a server within a predetermined time from a first... |
| 6003060 |
Method and apparatus to share resources while processing multiple priority data flows |
| Dec-14-1999 |
The invention discloses a method and an apparatus for use in high speed networks such as Asynchronous Transfer Mode (ATM) networks providing support for processing multipriority data flows at media speed,... |
| 6002409 |
Arbitration for shared graphics processing resources |
| Dec-14-1999 |
A graphics system includes a graphics processor for rendering graphics primitives with a list of display parameters. A host processor generates a display list which includes a XY address for rendering... |
| 5999990 |
Communicator having reconfigurable resources |
| Dec-7-1999 |
A communicator (10) includes a plurality of reconfigurable resource units (13) that can each be dynamically altered to perform any of a multitude of processing tasks. A controller (16) determines a plurality... |
| 5995997 |
Apparatus and methods for optimally allocating currently available computer resources to future task instances versus continued execution of current task instances |
| Nov-30-1999 |
Apparatus and accompanying methods for optimally using available computer resources, illustratively processing time, and which can be advantageously used for selecting task(s) instances to be precomputed... |
| 5995745 |
Adding real-time support to general purpose operating systems |
| Nov-30-1999 |
A general purpose computer operating system is run using a real time operating system. A real time operating system is provided for running real time tasks. A general purpose operating system is provided... |
| 5991813 |
Network enabled SCSI interface |
| Nov-23-1999 |
A method of communication between a local computer and an SCSI device attached to a remote computer includes receiving a command relating to a file at the remote SCSI device. The local computer creates... |
| 5987494 |
Multi-function parallel processing electronic device |
| Nov-16-1999 |
A multi-function concurrent processing device that is capable of performing a plurality of functions by using time sharing methods to concurrently process at least two control programs. The multi-function... |
| 5987492 |
Method and apparatus for processor sharing |
| Nov-16-1999 |
A method and apparatus for implementing proportional sharing in a single processor system and/or in a multi-processor system. The invention can also implement proportional sharing in a system that executes... |
| 5983310 |
Pin management of accelerator for interpretive environments |
| Nov-9-1999 |
An apparatus and method for accelerating interpreters, interpretive environments, may manage pinning of a processor cache closest to a processor. An instruction set implementing a virtual machine may store... |
| 5978831 |
Synchronous multiprocessor using tasks directly proportional in size to the individual processors rates |
| Nov-2-1999 |
Multiprocessor architecture having advantages of both synchronous and asynchronous architectures. The multiprocessor (FIG. 10) comprises processors (300) operating in parallel and synchronously. Each processor... |
| 5978830 |
Multiple parallel-job scheduling method and apparatus |
| Nov-2-1999 |
Multiple parallel-job scheduling method and apparatus are provided which can improve the utilization of all processors in a system when a plurality of parallel jobs are executed concurrently. A plurality... |
| 5961584 |
System for managing internal execution threads |
| Oct-5-1999 |
In a system for managing internal execution threads in a process, the execution threads are driven by process internal event messages. These messages are distributed to event receiving threads based upon... |
| 5949994 |
Dedicated context-cycling computer with timed context |
| Sep-7-1999 |
A dedicated context cycling microprocessor which features a plurality of input/output circuits for receiving and transmitting information and an individual set of dedicated on-board resources for each... |
| 5940612 |
System and method for queuing of tasks in a multiprocessing system |
| Aug-17-1999 |
A procedure controls execution of priority ordered tasks in a multi-nodel data processing system. The data processing system includes a node with a software-controlled processor and a hardware-configured... |
| 5938723 |
Re-prioritizing background data transfers in multipoint conferencing |
| Aug-17-1999 |
A method and apparatus for re-prioritizing a background transfer of teleconference object data is accomplished by moving the background transfer to a highest priority of a transfer queue if part of the... |
| 5928322 |
Low-latency real-time dispatching in general purpose multiprocessor systems |
| Jul-27-1999 |
A low-latency real-time dispatching scheme performed by the operating system of a general purpose multiprocessor system having N processors, assigns a priority to each of multiple real-time threads to... |
| 5925096 |
Method and apparatus for localized preemption in an otherwise synchronous, non-preemptive computing environment |
| Jul-20-1999 |
An apparatus and method for controlling system resource access to a computer application program in an otherwise synchronous, non-preemptive operating environment. A periodic preemption mechanism (PPM)... |
| 5918248 |
Shared memory control algorithm for mutual exclusion and rollback |
| Jun-29-1999 |
The invention provides a mechanism for allowing a share memory/parallel processing architecture to be used in place of a conventional uni-processing architecture without requiring code originally written... |
| 5903752 |
Method and apparatus for embedding a real-time multi-tasking kernel in a non-real-time operating system |
| May-11-1999 |
An improved method and apparatus for embedding a real-time multi-tasking kernel in a non-real-time operating system is disclosed. Through encapsulating a real-time kernel into the interrupt handling environment... |
| 5896141 |
System and method for virtual device access in a computer system |
| Apr-20-1999 |
A system and method for virtual device access in a graphics computer is disclosed. The present invention enables applications running on a graphics computer to access the graphics hardware device with... |
| 5892944 |
Program execution and operation right management system suitable for single virtual memory scheme |
| Apr-6-1999 |
A program execution and operation right management system capable of providing flexible and sufficient protection uniformly even for the thread operation instructions among the threads sharing the same... |
| 5890202 |
Method of accessing storage units using a schedule table having free periods corresponding to data blocks for each storage portion |
| Mar-30-1999 |
A method is disclosed of accessing a storage device in which each sequence of data is divided into a unit data for distributively to be stored in a plurality of storage units and the stored unit data is... |
| 5889988 |
Debugger for debugging tasks in an operating system virtual device driver |
| Mar-30-1999 |
A debugger that is multi-task aware and capable of providing symbolic support to a graphical user interface (GUI) is disclosed. The debugger disclosed communicates with a multi-tasking kernel nested within... |
| 5884077 |
Information processing system and method in which computer with high load borrows processor of computer with low load to execute process |
| Mar-16-1999 |
A method and system are disclosed in which, when the load of a processor in a given computer is high, a processor is borrowed from another computer. The computer from which the processor is borrowed is... |
| 5881284 |
Method of scheduling a job in a clustered computer system and device therefor |
| Mar-9-1999 |
A computer system and method of scheduling a job in a clustered computer system having a plurality of clusters and a global storage, stores an inputted job in a job queue allocated in the global storage,... |
| 5870527 |
Robot control methods and apparatus |
| Feb-9-1999 |
A robot control method for controlling the operation of a robot so as to pass through a plurality of states corresponding to a predetermined operation, comprising determining at least one operational arc... |
| 5867735 |
Method for storing prioritized memory or I/O transactions in queues having one priority level less without changing the priority when space available in the corresponding queues exceed |
| Feb-2-1999 |
A non-blocking load buffer is provided for use in a high-speed microprocessor and memory system. The non-blocking load buffer interfaces a high-speed processor/cache bus, which connects a processor and... |
| 5867160 |
System and method for task prioritization in computerized graphic interface environments |
| Feb-2-1999 |
A system and method are provided for automatically adjusting priority assigned to execution of applications, tasks, or workspaces to thereby improve performance relative to other such applications, tasks... |
| 5862337 |
Determining throughput dynamically |
| Jan-19-1999 |
Data transfers across a computer data connection are timed to measure the throughput of the connection. A counter in a computer system is updated to account for each measurement and the counter's value... |
| 5857114 |
DMA system for re-arbitrating memory access priority during DMA transmission when an additional request is received |
| Jan-5-1999 |
A DMA controlling device is provided. The DMA controlling device includes a DMA control register for storing an instruction, which is transmitted to the DMA controlling device by the microprocessor for... |
| 5845280 |
Method and apparatus for transmitting a file in a network using a single transmit request from a user-mode process to a kernel-mode process |
| Dec-1-1998 |
A method and apparatus for transmitting files on a network are described. In response to a network request for a file stored on a secondary data storage device such as a hard disk, a file server retrieves... |
| 5845116 |
Distributed computing system |
| Dec-1-1998 |
A distributed computing system, having a plurality of computers that differ from each other in terms of performance, load, and type, uniformly manages local priority schemes adapted in the respective computers... |
| 5845115 |
Method and a scheduler for controlling when a server provides service with rate control to an entity |
| Dec-1-1998 |
A method for scheduling when a server provides service to entities. The method includes the steps of identifying when a first entity requests service from the server. Next there is the step of providing... |
| 5842014 |
System and method for distributing processing among one or more processors |
| Nov-24-1998 |
A computer system for performing distributed processing, particularly of digital audio data, is disclosed. The system has a number of digital signal processors linked to a host computer through a time... |
| 5838968 |
System and method for dynamic resource management across tasks in real-time operating systems |
| Nov-17-1998 |
A system and method for dynamic resource management across tasks in real-time operating systems is disclosed. The system and method manage an arbitrary set of system resources and globally optimize resource... |
| 5832484 |
Database system with methods for parallel lock management |
| Nov-3-1998 |
Database system and methods are described for improving scalability of multi-user database systems by improving management of locks used in the system. The system provides multiple server engines, with... |
| 5828879 |
Method and a scheduler for controlling when a server provides service to an entity |
| Oct-27-1998 |
A method for scheduling when a server provides service to entities. The method includes the steps of identifying when a first entity requests service from the server. Next there is the step of providing... |
| 5826238 |
Daily target generation and machine allocation with priority |
| Oct-20-1998 |
A method and system are provided for operating a data processing system including a data base computer system and a resource allocation computer for control of resource allocation in a manufacturing plant... |
| 5826081 |
Real time thread dispatcher for multiprocessor applications |
| Oct-20-1998 |
The present invention provides a process scheduler or dispatcher for a multiprocessor system for real time applications. This embodiment of the present invention proposes a dispatcher model that maintains... |
| 5826080 |
Method of scheduling successive tasks |
| Oct-20-1998 |
A method of scheduling tasks subject to timing and succession constraints essentially comprises grouping the tasks in layers according to succession constraints and scheduling the tasks layer by layer... |
| 5822584 |
User selectable priority for disk array background operations |
| Oct-13-1998 |
A new and improved apparatus and method for rebuilding a replacement disk of a fault tolerant, mass storage drive array subsystem of a computer system. The method calls for a microprocessor to check a... |
| 5787490 |
Multiprocess execution system that designates cache use priority based on process priority |
| Jul-28-1998 |
A cache use priority of a cache memory is designated by a cache use priority designation unit. In response to an access demand issued from a processing unit, a cache control unit controls the access to... |
| 5787482 |
Deadline driven disk scheduler method and apparatus with thresholded most urgent request queue scan window |
| Jul-28-1998 |
A disk control mechanism for controlling the operations of a movable arm disk drive. The disk control mechanism contains a disk access scheduler which accepts disk access requests having a deadline and... |
| 5787439 |
Method and system for maintaining a preferred sequence for accessing a plurality of objects |
| Jul-28-1998 |
A method and system for ensuring a preferred sequence for accessing a plurality of objects. The system includes a doubly linked list which contains a reference to each agent of a child object which is... |
| 5784698 |
Dynamic memory allocation that enalbes efficient use of buffer pool memory segments |
| Jul-21-1998 |
An apparatus for dynamically allocating memory includes a processor, a free buffer pool memory and a control memory which stores control block data structures. The control block data structures enable... |
