| 6920541 |
Trace termination for on-the-fly garbage collection for weakly-consistent computer architecture |
| Jul-19-2005 |
A method for memory management in execution of a program by a computer having a memory includes allocating respective portions of the memory to data objects using mutator threads of the program, whereby... |
| 6912554 |
Method and apparatus for garbage collection using advanced marking techniques and restricted barrier to protect the data |
| Jun-28-2005 |
A method for deleting data, a data deleting apparatus and a recording medium involve a process for deleting unnecessary data generated during the processing of a main program which is created using programming... |
| 6912553 |
Virtual machine memory management |
| Jun-28-2005 |
This invention relates to memory management in a virtual machine or operating system and in particular to object creation and garbage collection. There is described a method and system of managing memory... |
| 6910210 |
System and method for terminating applications |
| Jun-21-2005 |
A computer application program executing on a computer, such as a portable computer, is selected for termination by first identifying computer application programs executing on the computer. A priority... |
| 6907437 |
Memory management using object pointer structure |
| Jun-14-2005 |
There is described a method of accurately scanning the C stack. One technique for solving these problems is to indirectly reference objects using handles however the some JVMs have removed handles to gain... |
| 6898611 |
Declarative pinning |
| May-24-2005 |
A system and method is provided for efficiently pinning references to the managed heap. The system and method allow for references to managed objects to be declared as pinned during a call to unmanaged... |
| 6892284 |
Dynamic memory allocation for assigning partitions to a logical port from two groups of un-assigned partitions based on two threshold values |
| May-10-2005 |
A memory is divided into a number of partitions. The partitions are grouped into a first group of partitions and a second group of partitions. When required by a port, a partition is assigned to the port... |
| 6892212 |
Method for efficient garbage collection based on object type |
| May-10-2005 |
A computing apparatus and method classify data objects into at least a first type and alternatively a second type, and allocate a first portion of computer memory to objects of the first type and a second... |
| 6889303 |
Method and apparatus for distinguishing reachable objects and non-reachable objects in an object-based application |
| May-3-2005 |
The invention is directed to a method for distinguishing reachable objects and non-reachable objects in an object-based application in a system with a volatile memory and a non-volatile memory. The object-based... |
| 6886069 |
IC card and management method of nonvolatile memory in IC card |
| Apr-26-2005 |
An IC card having nonvolatile and volatile memory is disclosed. An IC card generates a volatile object, and accesses the volatile object using a reference address on a nonvolatile memory. These volatile... |
| 6879991 |
Synchronous collection of cyclic garbage in reference counting systems |
| Apr-12-2005 |
Techniques are provided that speed synchronous garbage collection in systems that use reference counting. The present invention performs each of the steps of marking, scanning, and collecting on all nodes... |
| 6877018 |
System and method for unloading namespace devices |
| Apr-5-2005 |
An advanced configuration and power management system is described which supports an unload command by identifying those objects that are to be unloaded and, rather than simply attempting to delete the... |
| 6874074 |
System and method for memory reclamation |
| Mar-29-2005 |
A method for memory reclamation is disclosed that includes marking a memory object when an attempt to alter a reference to the memory object is detected by a software write barrier. Marking be by using... |
| 6874059 |
System and method for using anonymous tokens for efficient memory management |
| Mar-29-2005 |
A mechanism for managing pointers or handles to transient objects is disclosed. An anonymous token is assigned to an object. When an anonymous token is needed for an object, an unused token value is obtained... |
| 6871272 |
Data sorting in information storage systems |
| Mar-22-2005 |
A method for data sorting in an information storage system and an information storage system (104) are described. The information storage system (104) is a log structured system having storage devices... |
| 6868488 |
Binned remembered sets |
| Mar-15-2005 |
A garbage collector that performs collection incrementally in accordance with the train algorithm employs remembered sets to keep track of locations where references to objects in respective car sections... |
| 6865657 |
Garbage collector for a virtual heap |
| Mar-8-2005 |
A method and system for performing generational garbage collection on a virtual heap in a virtual machine is provided. The garbage collection method is suited for use with small consumer and appliance... |
| 6865585 |
Method and system for multiprocessor garbage collection |
| Mar-8-2005 |
A garbage collection system and method in a multiprocessor environment having a shared memory wherein two or more processing units participate in the reclamation of garbage memory objects. The shared memory... |
| 6865584 |
Method for recovering a database provided with disk back-up |
| Mar-8-2005 |
The invention relates to a method for recovering a database provided with disk backup. A database comprising a first generation and at least one mature generation is maintained in a central memory. The... |
| 6862674 |
Methods and apparatus for performing a memory management technique |
| Mar-1-2005 |
Mechanisms and techniques operate in a computerized device to perform a memory management technique such as garbage collection. The mechanisms and techniques operate to detect, within a storage structure... |
| 6859868 |
Object addressed memory hierarchy |
| Feb-22-2005 |
A computer system including a processor, an object cache operatively connected to the processor, a memory, and a translator interposed between the object cache and the memory, wherein the translator maps... |
| 6845437 |
Computer system with heap and card table |
| Jan-18-2005 |
A computer system has a heap for storing objects and a card table for tracking updates to objects on the heap, typically for garbage collection purposes. In particular, the heap is divided into segments,... |
| 6845430 |
System for maintaining a buffer pool |
| Jan-18-2005 |
In a multi-threaded computing environment, a shared cache system reduces the amount of redundant information stored in memory. A cache memory area provides both global readable data and private writable... |
| 6845385 |
Real-time computer "garbage collector" |
| Jan-18-2005 |
The present invention provides a novel method and apparatus for performing real-time computer garbage collection, in a manner that offers unprecedented low bounds on the worst-case frequency and duration... |
| 6842838 |
Preemptive memory-block splitting |
| Jan-11-2005 |
A computer system (10) implements a memory allocator that employs a data structure (FIG. 3) to maintain an inventory of dynamically allocated memory available to receive new data. It receives from one... |
| 6842759 |
Single-instance class objects across multiple JVM processes in a real-time system |
| Jan-11-2005 |
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... |
| 6839726 |
Apparatus, method, and program for implementing garbage collection suitable for real-time processing |
| Jan-4-2005 |
A garbage collector 100 is composed of a generation heap creator 20, an inter-generation object relocator 80, and a generation heap deallocator 40. The generation heap creator 20 creates a generation heap... |
| 6839725 |
Dynamic adaptive tenuring of objects |
| Jan-4-2005 |
Run time sampling techniques have been developed whereby representative object lifetime statistics may be obtained and employed to adaptively affect tenuring decisions, memory object promotion and/or storage... |
| 6836782 |
Method and apparatus for implementing modular garbage collectors |
| Dec-28-2004 |
Methods and apparatus for efficiently enabling garbage collectors to be swapped into and out of virtual machine environments are disclosed. According to one aspect of the present invention, an interface... |
| 6829686 |
Method and apparatus for bag-to-set, buffering remembered set |
| Dec-7-2004 |
A method for providing a remembered set involves maintaining the remembered set as a bag, identifying when an event occurs, and transforming the remembered set into a set when the event occurs. The step... |
| 6826583 |
Local allocation buffers for parallel garbage collection |
| Nov-30-2004 |
A multiprocessor, multiprogram, stop-the-world garbage collection program is described. The system initially over partitions the root sources, and then iteratively employs static and dynamic work balancing.... |
| 6823351 |
Work-stealing queues for parallel garbage collection |
| Nov-23-2004 |
A multiprocessor, multi-program, stop-the-world garbage collection program is described. The system initially over partitions the root sources, and then iteratively employs static and dynamic work balancing.... |
| 6823350 |
Database clean-up system |
| Nov-23-2004 |
A clean-up system recaptures part of the memory or secondary storage space on a client device, such as a handheld personal computer. E-mail messages are organized in a hierarchy of folders within a database.... |
| 6823348 |
File manager for storing several versions of a file |
| Nov-23-2004 |
A file manager (and method) provided for locating a file identified by a path referring to a logical unit and an identifier, includes a table associating the file with a priority list of physical units.... |
| 6820101 |
Methods and apparatus for optimizing garbage collection using separate heaps of memory for storing local objects and non-local objects |
| Nov-16-2004 |
Methods and apparatus for executing a method to enable memory associated with objects not referenced external to the executed method to be reclaimed upon completion of execution of the method. Methods... |
| 6816875 |
Methods, apparatus, and product for distributed garbage collection |
| Nov-9-2004 |
In accordance with the present invention a process is provided for allocating and deallocating resources in a distributed processing system having a requester platform and a server platform. The process... |
| 6807551 |
Measuring maximum memory requirement of an application at any point through continuous use of garbage collector |
| Oct-19-2004 |
Method and apparatus are disclosed for the intensive use of garbage collection in order to determine the maximum amount of memory that is consumed by a running application. A system garbage collector executes... |
| 6804762 |
Method and system for garbage collection using a dynamically tuned write barrier |
| Oct-12-2004 |
A method of detecting and indicating pointers in an ephemeral region of memory in a computing system includes monitoring stored memory for pointers; detecting if there are pointers above the ephemeral... |
| 6804691 |
Method for optimization of memory usage for a computer program |
| Oct-12-2004 |
A method for optimization of memory usage for a computer program. Memory usage data is received wherein the memory usage data comprises timing information. A graphical representation of the memory usage... |
| 6803866 |
Efficient representation of date/time information |
| Oct-12-2004 |
Methods, apparatus and data structures are described for representing, storing and manipulating date/time information in an 8-byte timestamp format. By limiting date/time information to a predetermined... |
| 6801990 |
Demand-based memory-block splitting |
| Oct-5-2004 |
A computer system (10) implements a memory allocator that employs a data structure (FIG. 3) to maintain an inventory of dynamically allocated memory available to receive new data. It receives from one... |
| 6799253 |
Stochastic scratchpad storage management technique |
| Sep-28-2004 |
Methods and apparatus for dynamically allocating space within virtual memory at run-time while substantially minimizing an associated path length are disclosed. According to one aspect of the present invention,... |
| 6799191 |
Object sampling technique for runtime observations of representative instances thereof |
| Sep-28-2004 |
With better knowledge of the behavior of objects in a running application, it is possible to improve execution environment decisions that affect management of such objects. For example, if available, object... |
| 6795836 |
Accurately determining an object's lifetime |
| Sep-21-2004 |
A method, computer system and program product operable to calculate a life span of an object by determining when an object is created and becomes collectable. A garbage collection trace algorithm conducted... |
| 6792510 |
System and method for updating a cache |
| Sep-14-2004 |
A system and method designed to reduce network congestion. In one aspect, a system according to the invention includes a server and two or more clients. Each client has software that runs on the client.... |
| 6789161 |
Method for controlling reutilization of data space in virtual tape system |
| Sep-7-2004 |
A method for selectively controlling reutilization of data space in a virtual tape system is provided which allows a user to designate whether data from a scratched virtual volume can be automatically... |
| 6785698 |
Instance-reduction algorithm for garbage-collected language |
| Aug-31-2004 |
A system and method for reducing object instances and making efficient use of memory. A WeakHashMap class provided by the Java programming language is utilized to maintain a map of unique objects in memory.... |
| 6785697 |
Storage reclamation on tape management systems |
| Aug-31-2004 |
A method for managing storage reclamation on a tape management system is provided. The method allows the calculation of the optimum reclamation threshold value for a given system, thereby increasing the... |
| 6782462 |
System and method for tracking memory leaks |
| Aug-24-2004 |
A system and method for tracking memory leaks is presented. A user sets a memory tracking flag that notifies the system to track memory allocations and memory de-allocations. A memory array is initialized... |
| 6779081 |
Apparatus and method for defragmentation in disk storage system |
| Aug-17-2004 |
When a host system has requested the reading of sequential data, a CPU incorporated in an HDD determines whether the data is fragmented into a plurality of data blocks on a disk. If the sequential data... |
