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Method for enforcing true dependencies in an out-of-order processor
In a processor executing instructions speculatively or out-of-order, a dependency table tracks instruction dependencies between a current instruction and a live...
Secure network protocol system and method
A computer network having first and second network entities. The first network entity includes a packet object generator that generates a packet object including...
System for characterization of multiple-input circuits
A technique has been described of characterizing the timing behavior of circuits with multiple input terminals. The technique allows determination of minimum and...
Scrolling of page oriented or continuous information is initiated or controlled based on where a viewer's eyes are looking as detected by an eyetracker....
Low cost virtual reality system
Apparatus is disclosed for viewing computer generated images and for tracking the positions of the user's head and hand. One alternative of the apparatus...
Active inductor oscillator with wide frequency range
An active inductor oscillator includes a tank circuit for generating a first differential signal, a common-mode inverting differential buffer for generating a...
Final stage clock buffer in a clock distribution network
A final stage clock buffer for use in a clock distribution network in a circuit with scan design includes a demultiplexer circuit and a control circuit. The...
Portable card authorizer
A system for authorizing card purchases includes a portable unit having a card reader for reading a card authorization code and a first wireless transceiver for...
Garbage collection system and method for locating root set pointers in
method activation records
In an object oriented computer system, a root set of object references includes object references stored in the computer system's registers, as well as object...
Methods and apparatus for providing transparent persistence in a
distributed object operating environment
A number of methods and apparatus are disclosed for providing transparent persistence in a distributed object operating environment are disclosed. In general,...
Electronic check exchange, clearing and settlement system
An electronic financial transaction clearing and settlement system handles and processes electronic financial transactions on behalf of a set of regional banks...
Method and apparatus for transmission and processing of virtual commands
A method and apparatus that provides for the atomic transfer of data associated with a command to be transferred to a device consisting of a cache memory which...
Multiprocessing system using an access to a second memory space to
initiate software controlled data prefetch...
A computer system defines a write transaction having a certain encoding as a prefetch command. A computer program developed for the computer system may include...
Object-oriented system, method and article of manufacture for a
client-server session manager in an interprise...
An interprise computing manager in which an application is composed of a client (front end) program which communicates utilizing a network with a server (back...
Network topology management system through a database of managed network
resources including logical topolgies
A system and method for maintaining complex relationships between computer network elements. The system provides a common database for storing node, type, and...
Object-oriented development framework for distributed hardware simulation
A base test class is defined in an object-oriented computer program development environment and members of the base test class, i.e., test objects, represent...
Method and apparatus for dynamic packet filter assignment
The present invention includes a method and apparatus for filtering IP packets based on events within a computer network. More specifically, the present...
Distributed pre-emphasis equalizer
A distributed pre-emphasis equalizer comprises a partial pre-emphasizer and a (50) microsecond pre-emphasizer. The partial pre-emphasizer receives an input...
Optimized routing scheme for an integrated circuit/printed circuit board
A method and structure for routing electrically conductive interconnect paths through a printed circuit board. The printed circuit board includes a plurality of...
Post mounted heat sink method and apparatus
Heat sinks and methods particularly suited for use on packaged integrated circuits which are not amenable to the use of snap-on heat sinks and on which...
Anti-counterfeiting non-yellowing watermark ink
A stable, pigmentless, simulated watermark ink is composed of a drying oil modified polyester, an aluminum alkoxide gelling agent and an ultraviolet light absorber.
Yarn having wicker appearance and article made therefrom
A stackable arm chair is constructed from the combination of a frame which supports woven material to form the chair's seat, back and side arm portions. Openings...
Paint and coatings applicator
An applicator for paint and coatings includes a housing, roller, brush, spreader, and handle. The roller, brush, and spreader are positioned on the housing so...
Using an intermediate storage medium in a database management system
A database management system incorporating an intermediate level of storage medium. Software of the DBMS controls the transfer of data between a primary,...
Virtual address write back cache with address reassignment and cache
Hardware and software improvements in workstations which utilize virtual addressing in multi-user operating systems with write back caches, including operating...
Auxiliary register file accessing technique
Certain bits in existing op code formats for a processor do not change from one instruction to another when particular classes of instructions are used....
Write barrier system and method for trapping garbage collection page
boundary crossing pointer stores
Architectural support is provided for trapping of garbage collection page boundary crossing pointer stores. Identification of pointer stores as boundary crossing...
Method and apparatus for allowing a user to select from a set of
mutually exclusive options
A method and apparatus for allowing a user to select one of a plurality of mutually-exclusive options. A set of visual objects are displayed on the display...
Method and apparatus for linking compiler error messages to relevant
Methods and apparati including computer program products link compiler error messages to information relevant to an error causing the compiler to generate the...
Using objects to discover network information about a remote network
having a different network protocol
The present invention is a method, apparatus and computer program product for discovering the nodes and other network information of a computer network (the...
Method and apparatus for dynamically adding functionality to a set of
instructions for processing a Web...
A method for dynamically adding new functionality to a first set of instructions that processes Web documents. The invention includes the first step of the first...
Multilevel security port methods, apparatuses, and computer program
A multilevel port system on a computer operating under a multilevel operating system to permit contemporaneously opening a plurality of sockets having the same...
Executing computer instrucrions by circuits having different latencies
A computer instruction execution unit includes different execution paths for different categories of instructions. Different execution paths share circuitry. The...
Electromagnetic wave-activated sorption refrigeration system
A refrigeration system capable of providing cooling during at least a portion of a repeatable refrigeration cycle, the refrigeration system comprising at least...
Agent icon for a display screen of a programmed computer system
Method and apparatus for implementing non-faulting load instruction
A non-fault-only (NFO) bit is included in the translation table entry for each page. If the NFO bit is set, non-faulting loads accessing the page will cause...
Method and apparatus for information state management
Data elements which can be combined to define a state are defined by respective attributes of an attribute set. An attribute includes an identifier, a data type,...
Interrupt transfer management process and system for a multi-processor
An interrupt mechanism handles an interrupt transaction between a source processor and a target processor on separate nodes in a multi-processor system. The...
System, method and article of manufacture for providing dynamic user
editing of object oriented components used...
Method, system and article of manufacture for dynamic editing of object oriented components used in an object oriented applet or application. An editor window is...
Method and apparatus for decompression of compressed geometric
three-dimensional graphics data
Three-dimensional compressed geometry is decompressed with a unit having an input FIFO receiving compressed data bits and outputting to an input block state...
Dynamic-to-static convertor method
A dynamic signal appearing across the output of a logic circuit is converted into a static signal using a dynamic-to-static conversion method which minimizes...
Methods for wiring electrical systems and electrical systems wired to
The present invention teaches a variety of methods and apparatus. The steps of one method for wiring an electrical system having a first bus and a second bus are...
Motherboard stiffener and guide for processor modules and PCI cards
A structural foam, injection molded superstructure is attached to a motherboard by means of threaded inserts. The superstructure is formed with guide ways for...
Computer product for precise architectural update in an out-of-order
A processor including at least one execution unit generating out-of-order results and out-of-order condition codes. Precise architectural state of the processor...
Method and apparatus for dynamically loading an input run-time module
and an output run-time module
A method implemented on a computer system for loading a module for input and for loading a module for output for an application program includes the steps of...
Method and apparatus for accomplishing processor read of selected
information through a cache memory
The present invention provides for a method and apparatus for reading non-cachable information in a cache memory system. The cache memory system includes a...
Tunable software control of harvard architecture cache memories using
Disclosed is an instruction-level method and system for prefetching data or instructions of variable size to specified cache sets. A prefetch instruction...
Multi-issue/plural counterflow pipeline processor
A computer system architecture is described for providing increased performance in a counterflow pipeline processor. The system includes an instruction fetching...
Control circuit and method for a first-in first-out data pipeline
Several designs of a stage for use in a FIFO pipeline are disclosed. Each stage includes a latch that is capable of latching a data element and capable of...
Method of optimizing repeater placement in long lines of a complex
A method includes operating a general purpose computer system to minimize signal-propagation delay time of a long line of a simulated circuit. A design engineer...