摘要:
A system and method for automatically increasing a capacity of a virtual space in a virtual world. It is determined if an allowable number of avatars are currently in the virtual space, and a capacity of the virtual space is increased when the allowable number of avatars are currently in the virtual space. The capacity of the virtual space may be increased by spawning a replicate new virtual space. The capacity of the virtual space may also be increased by expanding a size of the virtual space. The virtual space may include any type of virtual space such as for example, a store, a business, an arena, a building, a land area, a room, etc. The allowable number of avatars may be a maximum avatar capacity for the virtual space, or may be an ideal avatar capacity for the virtual space.
摘要:
A three dimensional (3D) virtual world wormhole includes hosting a 3D virtual world, and creating a wormhole at a selected location in the 3D virtual world for automatic transport of an avatar from the selected location to a selected destination in the 3D virtual world. Policies may be defined for the wormhole where the wormhole operates in accordance with the defined policies. An avatar may be automatically transported from the location to any one of a plurality of destinations based on a current capacity of each of the plurality of destinations.
摘要:
A three dimensional (3D) virtual world wormhole includes hosting a 3D virtual world, and creating a wormhole at a selected location in the 3D virtual world for automatic transport of an avatar from the selected location to a selected destination in the 3D virtual world. Policies may be defined for the wormhole where the wormhole operates in accordance with the defined policies. An avatar may be automatically transported from the location to any one of a plurality of destinations based on a current capacity of each of the plurality of destinations.
摘要:
The present invention provides a method, system, and computer program product for improving scheduling of tasks in systems that accumulate execution time. An upper bound is computed on the amount of additional time each schedulable task in the system may continue to execute after exceeding its predetermined cost, without adversely affecting overall operation of the system (that is, ensuring that the continued execution will not cause invocations of subsequent tasks to fail to meet their execution deadlines). By allowing tasks to run longer, the potential that the task will successfully end is increased, thereby yielding a more efficient overall system. In the preferred embodiment, the extensions are iteratively computed as a fixed percentage of the cost of each task until reaching an amount of time where the system is no longer feasible. The extension values resulting from the iteration before the cost-extended system becomes infeasible are then used at run-time when a particular task encounters an overrun condition. This technique is advantageous in systems where execution of non-schedulable entities (such as occurrence of hardware interrupts) occurs during execution of one or more of the scheduled tasks.
摘要:
A method, system, and computer program product for sharing memory resources between several JVM processes. According to the present invention, Java software applications are loaded into a JVM in a manner suited for real-time server applications. When a JVM process is run, memory areas are created. For the initial JVM process, a heap memory area is assigned, and two separate class memory areas are created. One class memory area is reserved for the application class information, while a separate class memory area is created to hold the system class designations. The system class memory area can be shared by any subsequent JVM processes.
摘要:
According to exemplary embodiments, a method and system for generating binary Extensible Markup Language (XML) data is provided. The generating includes acquiring an XML data source and generating a first child distance (FCD) token and a next sibling distance (NSD) token of an element node in the XML data source. The generating also includes generating binary XML data of the XML data source by using the FCD token and the NSD token, where the binary XML data includes the FCD token and the NSD token.
摘要:
According to exemplary embodiments, a method and system for generating binary Extensible Markup Language (XML) data is provided. The generating includes acquiring an XML data source and generating a first child distance (FCD) token and a next sibling distance (NSD) token of an element node in the XML data source. The generating also includes generating binary XML data of the XML data source by using the FCD token and the NSD token, where the binary XML data includes the FCD token and the NSD token.
摘要:
Memory pool management may be provided by allocating storage blocks and handles in different parts of a larger memory pool. Two variable size sub-pools may be provided within the memory pool: a storage block sub-pool and a handle sub-pool. Each sub-pool has a variable size and may be allowed to grow until their combined size reaches the size of the memory pool. Both sub-pools may be allowed to grow into the same unused memory space. When a memory request is received from a program, the storage block sub-pool and handle sub-pool may be enlarged to accommodate the request. A storage block and a handle may be allocated to the program from the storage block and handle sub-pools, respectively.
摘要:
The different illustrative embodiments provide a method, computer program product, and apparatus for managing a number of surgical tools. A determination is made whether a number of surgical tools is to be used in performing a procedure based on information. Responsive to a determination that the number of surgical tools is to be used in performing the procedure, a determination is made whether a signal received by the number of surgical tools indicates that the number of surgical tools is present within a predetermined distance of a location on the patient where the procedure is to be performed. Responsive to a determination that the signal received by the number of surgical tools indicates that the number of surgical tools is within the predetermined distance of the location on the patient where the procedure is to be performed, the number of surgical tools is enabled for use in performing the procedure.
摘要:
The present invention provides a method, system, and computer program product for encoding (and subsequently decoding) a sequence of periodic byte values that have a vertical correlation (e.g. so that they can be more efficiently stored and/or electronically transmitted for use in a real-time system or resource-constrained system). Redundant values are omitted through use of marker bytes and bits masks which indicate when a set of values is unchanged and which of the set have changed, respectively. In this manner, the resources required for transmitting, processing, and/or storing the values is reduced. In some systems, the reduction may enable shortening the periodic interval length, such that values of a finer granularity can be processed. An example scenario in which the present invention may be used advantageously is for transmitting periodic input data to a robot controller, in order to control movement of the robot.