539 results about "Symmetric multiprocessor system" patented technology

System and method for submitting and performing computational tasks in a distributed heterogeneous networked environment. Embodiments may allow tasks to be submitted and run in parallel on a network of heterogeneous computers implementing a variety of operating environments. In one embodiment, a user on an originating node may advertise code on the network. Peer nodes that respond to the advertisement may receive the code. A job to be executed by the code may be split into separate tasks to distributed to the peer nodes that received the code. These tasks may be advertised on the network. Tasks may be assigned to peer nodes that respond to the task advertisements. The peer nodes may then work on the assigned tasks. Once a peer node's work on a task is completed, the peer node may return the results of the task to the originating node.

A system for generating software applications for a plurality of heterogeneous computing devices. Each computing device has different capabilities. The system outputs device-specific versions of a software application each tailored to the capabilities of the associated computing device in response to receiving device-independent modeling information characterizing the software application. The system includes a framework, a plurality of object types, a modeling tool, and a plurality of device-specific code generators. The framework defines common services on the computing devices. Each object type has a functional relationship to the common services provided by the framework. The modeling tool defines instances of the plurality of object types based on modeling information received as input, outputting a metadata structure describing the behavior and functionality of a software application. From the metadata, the code generators generate device-specific application code tailored to the capabilities of the associated devices.

A data transformation system includes clients, which initiate requests for transformation of data between first and second data formats. The system also includes peer transformation servers having data converters and graphs of available transformations between input and output data formats of such servers. The graph includes unidirectional edges, which extend between corresponding pairs of the formats. The servers collectively include one or more converters for each of the edges. The servers receive the requests and select plural intermediate transformations from the first format to plural intermediate formats, and a final transformation from an intermediate format to the second format. Each of the intermediate and final transformations is associated with a corresponding one of the edges. The servers initiate the converters corresponding to the selected transformations, in order to obtain and dispose the data in the second format. A communication network provides communication among the client and servers.

A method and system for managing a large number of servers and their server components distributed throughout a heterogeneous computing environment is provided. In one embodiment, an authenticated user, such as a IT system administrator, can securely and simultaneously control and configure multiple servers, supporting different operating systems, through a "virtual server." A virtual server is an abstract model representing a collection of actual target servers. To represent multiple physical servers as one virtual server, abstract system calls that extend execution of operating-system-specific system calls to multiple servers, regardless of their supported operating systems, are used. A virtual server is implemented by a virtual server client and a collection of virtual server agents associated with a collection of actual servers.

A computing method and system is presented that allows multiple heterogeneous computing systems containing file storage mechanisms to work together in a peer-to-peer fashion to provide a fault-tolerant decentralized highly available clustered file system. The file system can be used by multiple heterogeneous systems to store and retrieve files. The system automatically ensures fault tolerance by storing files in multiple locations and requires hardly any configuration for a computing device to join the clustered file system. Most importantly, there is no central authority regarding meta-data storage, ensuring no single point of failure.

An architecture and system are described that provide a unified file access service within in a managed computing environment composed of diverse networks, computing devices, and storage devices. The service provides mechanisms for remotely accessing the file systems of any managed computer or disk snapshot, independently of the computer's current state (powered on, suspended or powered off), its location within the environment, its hardware type (virtual vs. physical), its operating system type, and its file system formats. The system isolates centralized FPAs from the details of clients, proxies and storage elements by providing a service that decomposes offloaded file system access into two steps. A FPA or a requester acting on behalf of the FPA first expresses the disk set or the computer containing the file systems it wishes to access, along with requirements and preferences about the access method. The service figures out an efficient data path satisfying the FPA's needs; and then automatically configures a set of storage and computing resources to provide the data path. The service then replies with information about the resources and instructions for using them. The FPA then accesses the requested file systems using the returned information.

A distributed system structure for a large-way, symmetric multiprocessor system using a bus-based cache-coherence protocol is provided. The distributed system structure contains an address switch, multiple memory subsystems, and multiple master devices, either processors, I/O agents, or coherent memory adapters, organized into a set of nodes supported by a node controller. The node controller receives transactions from a master device, communicates with a master device as another master device or as a slave device, and queues transactions received from a master device. Since the achievement of coherency is distributed in time and space, the node controller helps to maintain cache coherency. The node controller also implements an interrupt arbitration scheme designed to choose among multiple eligible interrupt distribution units without using dedicated sideband signals on the bus.

A storage media management system operating in a heterogeneous computing environment having different servers, different operating systems, and different backup applications. The management system extracts backup information from each backup application and consolidates the information in a tracking database. A centralized interface to the tracking database permits centralized management of backup storage media, such as movement, retention, vaulting, reporting, utilization, and duplication.

A method, computer program storage medium and system that implement evolutionary algorithms on heterogeneous computers; in which a central process resident in a central computer delegates subpopulations of individuals of similar fitness from a central pool to separate processes resident on peripheral computers where they evolve for a certain number of generations after which they return to the central pool before the delegation is repeated.

A technique for compiling and running high-level program on heterogeneous computers may include partitioning a program code into two or more logical units, and compiling each of the logical units into one or more executable entities. At least some of the logical units are compiled into two or more executable entities, the two or more executable entities being different compilations of the same logical unit. The two or more executable entities are compatible to run on respective two or more platforms that have different architecture.

Various embodiments of methods and systems for controlling and/or managing thermal energy generation on a portable computing device that contains a heterogeneous multi-core processor are disclosed. Because individual cores in a heterogeneous processor may exhibit different processing efficiencies at a given temperature, thermal mitigation techniques that compare performance curves of the individual cores at their measured operating temperatures can be leveraged to manage thermal energy generation in the PCD by allocating and/or reallocating workloads among the individual cores based on the performance curve comparison.

A distributed system structure for a large-way, symmetric multiprocessor system using a bus-based cache-coherence protocol is provided. The distributed system structure contains an address switch, multiple memory subsystems, and multiple master devices, either processors, I/O agents, or coherent memory adapters, organized into a set of nodes supported by a node controller. The node controller receives transactions from a master device, communicates with a master device as another master device or as a slave device, and queues transactions received from a master device. Since the achievement of coherency is distributed in time and space, the node controller helps to maintain cache coherency. In order to reduce the delays in giving address bus grants, a bus arbiter for a bus connected to a processor and a particular port of the node controller parks the address bus towards the processor. A history of address bus grants is kept to determine whether any of the previous address bus grants could be used to satisfy an address bus request associated with a data bus request. If one of them qualifies, the data bus grant is given immediately, speeding up the data bus grant process by anywhere from one to many cycles depending on the requests for the address bus from the higher priority node controller.

A method is provided for query processing in a grid computing infrastructure. The method entails storing data in a data storage system accessible to a plurality of computing nodes. Computationally-expensive query operations are identified and query fragments are allocated to individual nodes according to computing capability. The query fragments are independently executed on individual nodes. The query fragment results are combined into a final query result.

In one implementation, an apparatus includes a detector of capabilities of each of heterogeneous computing systems, the capabilities including a model, existence of a microphone, video controls, specifications of a camera, a processor speed, a bus speed, an amount of cache memory, an amount of non-cache memory, a telecom carrier and an operating system, a determiner of the minimum sufficiency of the capabilities of the each of the heterogeneous computing systems; the determiner being operably coupled to the detector, the determiner being operable to set a state in a memory location indicating an affirmative or a negative state of the minimum sufficiency of the capabilities of the each of the heterogeneous computing systems, and an initiator of a multimedia teleconference between the heterogeneous computing systems, the initiator being operably coupled to the determiner, the initiator being operable to initiate the multimedia teleconference in reference to the memory location indicating an affirmative or a negative state of the minimum sufficiency of the capabilities of the each of the heterogeneous computing systems.

A test signal multiplexer receives supplies external test signals to a selected debug master central processing unit in a symmetrical multiprocessor system and debug slave signals to debug slave central processing units. An executive master test access port controller responds to the external test signals and controls the test signal multiplexer. A control register loadable via the executive master test access port stores the debug slave signals. A test data output multiplexer connects the test data output line of the selected debug master central processor unit to an external test data output line. The external test signals includes a debug state signal supplied to each central processing unit. This selects either a normal mode or a debug mode at each central processor unit.

A shared memory system for symmetric multiprocessing systems including a plurality of physical memory locations in which the locations are either allocated to one node of a plurality of processing nodes, equally distributed among the processing nodes, or unequally distributed among the processing nodes. The memory locations are configured to be accessed by the plurality of processing nodes by mapping all memory locations into a plurality of address partitions within a hierarchy bus. The memory locations are addressed by a plurality of address aliases within the bus while the properties of the address partitions are employed to control transaction access generated in the processing nodes to memory locations allocated locally and globally within the processing nodes.

The invention relates to the technical field of storage, in particular to an NVMe (Non-Volatile Memory Express) data read-write method and NVMe equipment. The method comprises the following steps that: a transceiver receives an NVMe command which is written into an SQ (Submission Queue) by a host; when the SQ control module detects that the SQ changes in an SQ cache, the NVMe command in the SQ issent to an SSD (Solid State Drives) controller; the SSD controller executes the NVMe command and writes the generated NVMe command response into a CQ (Completion Queue) through a CQ control module; and the SSD controller notifies the host to read the CQ through trigger interruption to enable the host to process the NVMe command response in the CQ. Since the SQ and the CQ are both positioned in theNVMe equipment, the CPU (Central Processing Unit) can directly read the NVMe response command in the CQ or directly writes the NVMe command into the SQ so as to further lower the consumption of CPU resources. In addition, a way designed by the NVMe equipment can support CCIX (Cache Coherent Interconncet for Acceleration) on hardware, and therefore, the heterogeneous calculation of software memoryunification and an I/O operation can be realized.

An apparatus and method for provisioning software on a network of heterogeneous computers in a network. The provisioner receives a list of packages and deployment scope of the packages, then checks each node for installed applications and records dependency and potential application conflicts. In addition, the provisioner measures a plurality of network and node metrics. Based on the dependency information, conflict information, and metrics, one or more nodes are selected and software is provisioned and/or removed in accordance with the dependency and conflict information.

A normalization engine, system and method provide normalization of and access to data between heterogeneous data sources and heterogeneous computing devices. The engine includes connectors for heterogeneous data sources, and conduits for gathering a customized subset of data from the data sources, as required by a software application with which the conduit is compatible. Working together, the connector and conduit may gather large amounts of data from multiple data sources and prepare a subset of the data that includes only that data required by the application, which is particularly advantageous for mobile computing devices. Further, the conduit may process the subset data in various formats to provide normalized data in a single format, such as a JSON-formatted REST web service communication compatible with heterogeneous devices. As an intermediary, the normalization engine may further provide caching, authentication, discovery and targeted advertising to mobile computing and other computing devices.