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6059835 Performance evaluation of processor operation using trace pre-processing  
A processor performance evaluation system and method provides a method of model decomposition and trace attribution by first decomposing a full pipelined model of the entire system into a main...
6053948 Method and apparatus using a memory model  
A computer system including a memory model of a memory circuit. The computer system comprises a processor coupled to receive and manipulate the memory model, and a memory including the memory...
6052524 System and method for simulation of integrated hardware and software components  
A system and methods are provided to design, verify and develop simulated hardware and software components for a desired electrical device. The system includes a cycle-accurate simulator where...
6041175 Display control method  
A plurality of image processing apparatuses connected to a network share an external storage device such as a CDROM with each other to indicate a guidance when a trouble happens. Each image...
6041367 Forecasting resource requirements for a group of removable media devices by measuring residency time and generating model  
The present invention measures the usage level of removable media devices using residency time. In one embodiment, a usage level measurement software facility receives a number of data storage...
6038391 Method and apparatus for evaluating performance of multi-processing system and memory medium storing program for the same  
The present invention provides an apparatus for evaluating the performance of an MP system which is configured, to simulate the MP system highly accurately and speedily, in such a way as to...
6014697 Method and apparatus for automatically populating a network simulator tool  
Method and apparatus for automatically populating a network simulation tool database with network topology and/or traffic information. A topology extraction tool is provided for reading the...
6009262 Parallel computer system and method of communication between the processors of the parallel computer system  
A parallel computer system which divides the entire space of facilities into a plurality of small divisions; assigns a plurality of processors thereof to the divisions, respectively, the lower...
6006028 Test program generator  
An architecture-independent test program generator for producing test programs for checking the operation of a hardware processor design comprises means for storing data representing the processor...
6006029 Emulating disk drives of a first system on a second system  
The emulation of a first system disk drive on a second processing system including a second system user level process including first system user and executive tasks issuing disk input/output...
5999722 Method of cataloging removable media on a computer  
A method of automatic and user intuitive cataloging of removable media on a computer. The method does not require the user to launch an application to catalog because it operates within the...
5999721 Method and system for the determination of performance characteristics of a cache design by simulating cache operations utilizing a cache output trace  
A method and system are disclosed for the determination of performance characteristics of a cache design by simulating cache operations utilizing a cache output trace. A first plurality of...
5995741 Simulation tool for a networking code  
A simulation tool (ES) for a networking code (RE), characterized in that the code is carried in a computer (ORD) external to the system, the tool constituting an application for the operating...
5995742 Method of rapid prototyping for multifaceted and/or folded path lighting systems  
A method of rapid prototyping a lighting system which is at least one of folded path and multifaceted includes determining output power of the lighting system by calculating phase space density. A...
5995729 Method and apparatus for aiding configurating management of a computer system  
In response to a variety of commands entered via a terminal unit, a configuration-management aiding apparatus directly connected to a computer system carries out various kinds of work such as...
5995743 Method and system for interrupt handling during emulation in a data processing system  
A processor and method of interrupt handling in a processor which has a native instruction set and emulates guest instructions within a guest instruction set are described. According to the method,...
5966515 Parallel emulation system and method  
A system and method for emulating a target system's hardware using highly parallel software emulation. Target system hardware under the control of program instructions is emulated using parallel...
5963725 Simulation system and method for microcomputer program  
In a computer program simulation system, a simulation control unit calculates a simulation time until a machine language instruction execution simulation has an influence on a peripheral circuit...
5961624 Connection apparatus which facilitates conflict-free interfacing between host apparatuses and one or more peripherals  
In the case where one peripheral apparatus is shared by a plurality of host computers via an SCSI interface, an interface apparatus is provided between the plurality of host computers and the...
5960189 Automatic computer upgrading  
A method for use in upgrading a resource of a computer from an existing version of the resource to a later version of the resource. The method includes the steps of (a) digitally storing upgrade...
5948073 Multiplexing bus controller with input conditioning  
A multiplexing bus controller with input conditioning is provided in which the need for a dedicated microprocessor for handling input filtering, input change detection and...
5946470 Method and apparatus for voltage level shifting and deskewing the inputs to a high performance microprocessor  
An upgrade integrated circuit is used in a board without redesigning the board. The board is operative at a first voltage level, and the upgrade integrated circuit is operative at a second voltage...
5941971 Bus bridge transaction checker for correct resolution of combined data cycles  
A method to correctly resolve combined data cycles in a bus bridge's posted write buffer is described. In a computer system with a bus bridge connecting a plurality of system buses, a state machine...
5937203 Port for fine tuning a central processing unit  
A central processing unit (hereinafter "CPU") has a number of functional units and a tuning port for modifying one or more parameters of the functional units (hereinafter "tunable units"). The...
5930497 Method and means for generation of realistic access patterns in storage subsystem benchmarking and other tests  
A method and means for emulating realistic access requests used in static or dynamic performance testing of a disk-based storage subsystem. The method and means are based on the fact that a test...
5930495 Method and system for processing a first instruction in a first processing environment in response to intiating processing of a second instruction in a emulation environment  
A method and system are disclosed in a first data processing system for processing a first instruction in response to an initiation of processing of a second instruction in an emulation...
5926506 Method and apparatus for automatically recognizing a modem type of a modem connected to terminal equipment and for automatically adapting the terminal equipment to the recognized modem type  
In a method and terminal apparatus for automatic modem type recognition and adaptation thereto within a communication mode, a microprocessor in a control unit of the terminal apparatus, is...
5920733 Intelligent peripheral controller for formatting a storage media upon the peripheral device receiving a command and reading formatting algorithm stored within the peripheral device  
An intelligent controller of a peripheral device such as a disk drive which stores utility algorithms. In a first embodiment, the utility algorithms are transferred from the peripheral device to a...
5918035 Method for processor modeling in code generation and instruction set simulation  
A method of modeling a programmable processor is particularly adapted for use in an automatic retargetable code generator and instruction set simulator. The method represents the processor as a...
5915103 Method and system for an extensible on silicon bus supporting multiple functional blocks  
The present invention comprises a multiple functional block integrated circuit device for connecting to an external peripheral component interconnect (PCI) bus. The present invention includes an...
5913052 System and method for debugging digital signal processor software with an architectural view and general purpose computer employing the same  
A system and method, operable on a general purpose computer, for debugging software that is to control a digital signal processor ("DSP") and a general purpose computer employing either the system...
5910180 Context virtualizing device driver architecture  
A device driver architecture that couples an operating system to a computer interface of a controller device that includes a plurality of functional sub-elements. The device driver includes a...
5909569 Terminal emulator data stream differencing system  
Method, apparatus and program products for increasing the performance of communications of a terminal emulator application resident on a first computer and communicating over an external...
5909571 Clock distribution for processor and host cards  
The clock configuration of a printed circuit board (PCB) processor card is described. A processor card including a processor, its associated processor card system bus, a clock generator, and its...
5898863 Method and apparatus for determining I/O size distribution of an input/output system and its use for load simulation  
A method and apparatus for simulating the input/output operations of a memory unit, such as a disk drive array, provide for determining over a predetermined time period, a profile which includes...
5898596 Adder which employs both carry look-ahead and carry select techniques  
The hybrid adder of the present invention uses stages of carry select functions to provide serial carries and a carry look-ahead tree structure to compute the final carries in parallel. The longer...
5896521 Processor synthesis system and processor synthesis method  
The present invention provides a processor synthesis system and a processor synthesis method which enable a designer to synthesize a CPU that does not depend on a specific process technology and...
5894566 System and method for emulating network outages a segmented architecture  
A network emulator capable of emulating an entire restoration network improves the process of testing a centralized system for monitoring, restoration, and control of the system. The network...
5886907 Method and system for modeling aggregate multimedia traffic within a shared transmission medium  
The method and system of the present invention can be utilized to model aggregate multimedia traffic within a shared transmission medium, such as an ATM network, so that customer expectations can...
5881270 Method for flexible simulation modeling of multi-component systems using a global mailbox to facilitate communication between discrete component models  
A methodology for allowing component models to be developed independently and allowing a user to select and connect a set of models into a desired multi-component configuration at run-time. The...
5880974 Merchandise simulator system and devices  
A merchandise simulator device which allows a user to operate a desired piece of merchandise on a user's terminal as if the user was using the piece actually at hand. In the merchandise simulator...
5881268 Comparative performance modeling for distributed object oriented applications  
A performance modeling tool and method permitting the user to define the elements of a distributed system (hosts, networks and response times), and examine the effect on performance of different...
5881269 Simulation of multiple local area network clients on a single workstation  
Multiple users are emulated in a network environment by means of a multithreaded process in a client workstation. A plurality of client threads and associated network request queues are provided....
5862362 Network failure simulator  
A network failure simulation tool provides simulation of a network failure suitable for automated software testing under software control. The tool intercepts packets being sent or received by a...
5862366 System and method for simulating a multiprocessor environment for testing a multiprocessing interrupt controller  
A multiprocessing system comprising a plurality of processors and a plurality of I/O devices. A central interrupt control unit functionally intercouples the plurality of processors and I/O devices....
5859962 Automated verification of digital design  
A system for verifying design of a digital system. A digital system, which receives input vectors and produces output vectors, is simulated. The invention generates a sequence of synthesized input...
5857093 Cross-compiled simulation timing backannotation  
A method and apparatus for simulating a microprocessor-based system produces simulations which are fast and which are accurate in terms of timing information produced. The source code is first...
5857091 Machine and method for simulating a processor-based digital system  
A machine and method for allowing a simulated processor environment to interact with a simulated digital environment to simulate a processor-based system. Embodiments of the present invention...
5850538 Priority queues for computer simulations  
The present invention is embodied in new priority queue data structures for event list management of computer simulations, and includes a new priority queue data structure and an improved event...
5850536 Method and system for simulated multi-tasking  
A computer-implemented method and apparatus for servicing multiple external interfaces in a pseudo-parallel fashion which simulates multi-tasking. An application program is programmed to switch...
Matches 351 - 400 out of 491 < 1 2 3 4 5 6 7 8 9 10 >