System and method for reducing accounting overhead during...

Details System and method for reducing accounting overhead during... System and method for reducing accounting overhead during...

2007-04-17

2007-04-17

Elmore, Stephen C. (Department: 2185)

Electrical computers and digital processing systems: memory

Addressing combined with specific memory configuration or...

Virtual machine memory addressing

C711S001000, C711S100000, C711S147000, C711S154000, C718S001000, C718S100000, C718S104000

Reexamination Certificate

active

10850520

ABSTRACT:
A system and method for reducing the overhead involved in allocating memory to a task, thread or similar entity that shares memory or some other resource with other tasks or threads. A task is assigned a memory limit identifying a maximum amount of memory it may use at one time. When the task requires additional memory to store an object, it is granted a local allocation buffer if the size of the buffer plus the task's current memory allocation will not exceed the task's memory limit. Thereafter, memory space for objects is allocated from the task's local allocation buffer. This scheme avoids the overhead of constantly checking whether it has reached its limit, which is normally performed every time a task allocates memory. For large objects (e.g., greater in size than a local allocation buffer), memory may be allocated directly from the shared area.

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