| 6684398 |
Monitor entry and exit for a speculative thread during space and time dimensional execution |
| Jan-27-2004 |
One embodiment of the present invention provides a system that facilitates entering and exiting a critical section of code for a speculative thread. The system supports a head thread that executes program... |
| 6681267 |
Virtual computer system and method for swapping input/output devices between virtual machines and computer readable storage medium |
| Jan-20-2004 |
A command for swapping I/O devices between virtual machines is provided. When the command is input, each of I/O devices designated to be swapped is detached from corresponding one of swap-source-side and... |
| 6678772 |
Adaptive reader-writer lock |
| Jan-13-2004 |
A method and computer system for dynamically selecting an optimal lock mode in a multiprocessor environment. The method determines a quantity of read-side and write-side acquisitions, and evaluates the... |
| 6677955 |
Image processing method and image processing apparatus |
| Jan-13-2004 |
The present invention is characterized by first performing the necessary rendering in the frame period, then during the remaining time of that frame period, rewriting the texture data in the texture buffer... |
| 6675192 |
Temporary halting of thread execution until monitoring of armed events to memory location identified in working registers |
| Jan-6-2004 |
Execution of a program's instructions in a simultaneous multithreaded processor is halted while the program is waiting for one or more events to occur by first arming an event monitor upon an arm instruction,... |
| 6671795 |
Method and apparatus for pausing execution in a processor or the like |
| Dec-30-2003 |
A method and apparatus for pausing execution of instructions from a thread is described. In one embodiment, a pause instruction is implemented as two instructions or microinstructions: a SET instruction... |
| 6671713 |
Execution of dynamically configured application service in access method-independent exchange |
| Dec-30-2003 |
The present invention provides a virtual network, sitting "above" the physical connectivity and thereby providing the administrative controls necessary to link various communication devices via an Access-Method-Independent... |
| 6668269 |
Computer system process scheduler determining and executing processes based upon changeable priorities |
| Dec-23-2003 |
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.... |
| 6665758 |
Software sanity monitor |
| Dec-16-2003 |
Disclosed is a Software Sanity Monitor for automatically detecting and remedying software lock-up conditions without user intervention. Users often refer to these conditions as "hangs" or "forever loops".... |
| 6665699 |
Method and data processing system providing processor affinity dispatching |
| Dec-16-2003 |
A processor in a data processing system having multiple cache memories performs cache memory or processor module affinity dispatchin. Processes awaiting dispatch are stored in prioritized queues. Each... |
| 6662204 |
Thread control system and method in a computer system |
| Dec-9-2003 |
The executing threads in CPU 100.about.103 are checked at random intervals in a specified range by interrupt execution modules 109.about.112, the results of the checks are stored in executing thread memory... |
| 6651083 |
Distributed service request system for providing fair arbitration using token passing scheme to resolve collisions |
| Nov-18-2003 |
A transfer request bus (25) is described which is suitable for use in a data transfer controller processing, multiple concurrent transfer requests despite the attendant collisions which result when conflicting... |
| 6643555 |
Method and apparatus for generating an application for an automation control system |
| Nov-4-2003 |
An apparatus and method of generating an application for a control system. A control process is defined by a physical model and a topological model. An application generator utilizes the physical and topological... |
| 6633914 |
Systems, methods and computer program products for handling client requests for server application processing using a thread pool |
| Oct-14-2003 |
Systems, methods and computer program products are provided for handling client requests for server application processing wherein a connection between a client and server is transferred to a servlet.... |
| 6628293 |
Format varying computer system |
| Sep-30-2003 |
A format varying computing system including a computer linked to a display and input device, the computer including memory devices linked to a processing unit and a set of counters residing in the processing... |
| 6611858 |
Garbage collection method for time-constrained distributed applications |
| Aug-26-2003 |
A method for executing distributed processes on garbage collecting virtual machines. More particularly, garbage collection is delivered as a function of certain timing variables such as the time until... |
| 6609193 |
Method and apparatus for multi-thread pipelined instruction decoder |
| Aug-19-2003 |
A multithread pipelined instruction decoder to clock, clear and stall an instruction decode pipeline of a multi-threaded machine to maximize performance and minimize power. A shadow pipeline shadows the... |
| 6608628 |
Method and apparatus for virtual interactive medical imaging by multiple remotely-located users |
| Aug-19-2003 |
A virtual interactive imaging system allows the displaying of high-resolution, three-dimensional images of medical data to a user and allows the user to manipulate the images, including rotation of images... |
| 6594755 |
System and method for interleaved execution of multiple independent threads |
| Jul-15-2003 |
There is disclosed an apparatus for loading instructions into the instruction execution pipeline of a pipelined processor. The apparatus for loading instructions comprises: 1) an instruction loading circuit... |
| 6591287 |
Method to increase the efficiency of job sequencing from sequential storage |
| Jul-8-2003 |
A method and apparatus for scheduling jobs having a staging time and a processing time are described. In one method, the jobs are divided into subsets based on a predetermined criteria such as depending... |
| 6587955 |
Real time synchronization in multi-threaded computer systems |
| Jul-1-2003 |
Methods and apparatus for implementing priority inversion avoidance protocols and deterministic locking where an API is used to select objects in a multi-threaded computer system are disclosed. In one... |
| 6584488 |
Controlling allocation of system resources with an enhanced priority calculation |
| Jun-24-2003 |
A method and system for controlling the allocation of a data processing system's resources among two or more components competing for the resources. An internal system value is modified to yield a modified... |
| 6581089 |
Parallel processing apparatus and method of the same |
| Jun-17-2003 |
A parallel processing apparatus capable of flexibly solving at a high speed the problem of synchronization wait when a plurality of tasks are generated, wherein a processor element PE12 specifies pipe... |
| 6577316 |
Wide instruction word graphics processor |
| Jun-10-2003 |
A graphics accelerator includes a vertex input for receiving vertex data, an output for forwarding processed data, and a processor coupled with the vertex input and output. The graphics accelerator also... |
| 6567839 |
Thread switch control in a multithreaded processor system |
| May-20-2003 |
A system and method for performing computer processing operations in a data processing system includes a multithreaded processor and thread switch logic. The multithreaded processor is capable of switching... |
| 6567840 |
Task scheduling and message passing |
| May-20-2003 |
Methods for modeling real-time periodic and aperiodic task scheduling and message passing within multitask systems. The methods utilize undelayed and single sample delayed message connections among software... |
| 6564382 |
Method for playing multimedia applications |
| May-13-2003 |
The present invention relates to a method of playing a set of multimedia applications (A), each multimedia application including a list of tasks (TTD). The method includes the steps of creating a common... |
| 6564241 |
Avionic computer software interpreter |
| May-13-2003 |
A system and method for interpreting a plurality of sets of program instructions of an avionic flight computer are implemented on a general-purpose commercially available computer having multi-processing... |
| 6553400 |
Suspend and resume processing method for suspending and resuming a plurality of states of programmed operations |
| Apr-22-2003 |
A suspend and resume processing method for suspending and resuming a plurality of hardware states of program tasks is disclosed. In the suspend operation, a key code designated by the user is recognized... |
| 6546412 |
State-based object transition control and nested locking |
| Apr-8-2003 |
Temporary states are used transitionally in run-time situations and are unknown to the object database. A temporary state is created if, when an object is performing a requested event, interim work needs... |
| 6542920 |
Mechanism for implementing multiple thread pools in a computer system to optimize system performance |
| Apr-1-2003 |
A mechanism is disclosed for implementing multiple thread pools in a computer system to optimize system performance. In accordance with the invention, a plurality of thread pools is initially allocated... |
| 6539435 |
System and method for establishing direct communication between parallel programs |
| Mar-25-2003 |
The invention is a system and method for establishing a communication connection between two programs, each running on multiple processors of a distributed or shared memory parallel computer, or on multiple... |
| 6535971 |
Data processing system having plurality of processors and executing series of processings in prescribed order |
| Mar-18-2003 |
In order to provide a data processing system processing data at a high speed and having a high performance, the data processing system has the following construction. The data processing system includes... |
| 6529985 |
Selective interception of system calls |
| Mar-4-2003 |
System calls are selectively intercepted by processes. Processes selected to intercept system calls are loaded by a modified loader program which creates an association between the process and a system... |
| 6507862 |
Switching method in a multi-threaded processor |
| Jan-14-2003 |
A processor includes logic for attaining a very fast exception handling functionality while executing non-threaded programs by invoking a multithreaded-type functionality in response to an exception condition.... |
| 6507861 |
System and method for avoiding deadlock in a non-preemptive multi-threaded application running in a non-preemptive multi-tasking environment |
| Jan-14-2003 |
A system and method for avoiding deadlock in a non-preemptive multi-tasking application program, wherein the application program operates in an operating system that provides a non-preemptive multi-tasking... |
| 6505229 |
Method for allowing multiple processing threads and tasks to execute on one or more processor units for embedded real-time processor systems |
| Jan-7-2003 |
This invention relates to embedded processing systems used for industrial, commercial, and medical automated systems in which microprocessors or digital signal processors are employed to perform a plurality... |
| 6502109 |
Distributed communications system having garbage collecting virtual processes |
| Dec-31-2002 |
A communications system for executing distributed processes on garbage collecting virtual machines. More particularly, distributed applications are providing using garbage collection delivered as a function... |
| 6499050 |
Means used to allow driver software to select most appropriate execution context dynamically |
| Dec-24-2002 |
A mechanism for minimizing interrupt context execution in a computer system by providing means for a driver to select the context for its execution. The operating system determines the system processing... |
| 6496823 |
Apportioning a work unit to execute in parallel in a heterogeneous environment |
| Dec-17-2002 |
A method, apparatus, and article of manufacture for a computer-implemented apportioning system. Work is distributed to processors in a multi-processor system. Initially, during bind-time, a scaling factor... |
| 6493741 |
Method and apparatus to quiesce a portion of a simultaneous multithreaded central processing unit |
| Dec-10-2002 |
Execution of a program's instructions in a simultaneous multithreaded processor is halted while the program is waiting for one or more events to occur by first arming an event monitor upon an arm instruction,... |
| 6493740 |
Methods and apparatus for multi-thread processing utilizing a single-context architecture |
| Dec-10-2002 |
Methods and apparatus for software threads to access both shared and unshared data in a single software unit. Prior to a thread executing a set of computer language instructions in a collection of software... |
| 6490612 |
Providing predictable scheduling of programs using a repeating precomputed schedule |
| Dec-3-2002 |
The present invention provides predictable scheduling of programs using a repeating precomputed schedule. In a preferred embodiment, a scheduler accesses an activity scheduling graph. The activity scheduling... |
| 6490611 |
User level scheduling of inter-communicating real-time tasks |
| Dec-3-2002 |
In a multi-tasking system a writer task generates real-time and non real-time messages having multiple priority levels in an ascending order arranged in a plurality of priority bands. The real-time messages... |
| 6490609 |
Method, apparatus and computer program product for invoking a thread-unaware routine that uses an operation-dependent temporary data structure |
| Dec-3-2002 |
Apparatus, methods and computer program products are disclosed that allows a thread-unaware routine that accesses an operation-dependent temporary data structure to be shared by multiple threads in a multi-threaded... |
| 6487612 |
Information processing apparatus, information processing method, and recording medium |
| Nov-26-2002 |
The present invention relates to an information processing apparatus, an information processing method and a recording medium. The information processing apparatus of the present invention includes a hardware-dependent... |
| 6477561 |
Thread optimization |
| Nov-5-2002 |
An application program executes on a computer capable of executing multiple execution threads. The threads produce varying processor loads. The application program assigns task requests to the execution... |
| 6473808 |
High performance communication controller for processing high speed data streams wherein execution of a task can be skipped if it involves fetching information from external memory bank |
| Oct-29-2002 |
A communication controller for handling high speed multi protocol data streams, wherein a stream is comprised of frames. Communication controller has two processors, second processor initializes first... |
| 6466962 |
System and method for supporting real-time computing within general purpose operating systems |
| Oct-15-2002 |
A method of supporting real-time computing within a general purpose operating system, by supporting co-resident operating systems. This is a methodology for allowing existing, well-understood real-time... |
| 6463527 |
Spawn-join instruction set architecture for providing explicit multithreading |
| Oct-8-2002 |
The invention presents a unique computational paradigm that provides the tools to take advantage of the parallelism inherent in parallel algorithms to the full spectrum from algorithms through architecture... |
