Method and apparatus to facilitate sharing optimized...

Details Method and apparatus to facilitate sharing optimized... Method and apparatus to facilitate sharing optimized...

2005-08-16

2005-08-16

Banankhah, Majid (Department: 2127)

Electrical computers and digital processing systems: virtual mac

Virtual machine task or process management

C717S118000, C717S148000, C717S166000

Reexamination Certificate

active

06931638

ABSTRACT:
A method is provided that enables native code, dynamically compiled from platform-independent code by one task of a multitasking virtual machine, to be used by other tasks. The system interprets the platform-independent code of a method for a threshold number of interpretations, and then produces class initialization dependent (CID) native code. The runtime of the system guarantees that a task uses CID code of a method only when all of the classes of an initialized set associated with the CID code have been initialized by the task, and otherwise, interprets the platform-independent code of the method. This allows the compiler to avoid generating class initialization barriers for classes from the initialized set. After a threshold number of failures to execute the CID code of a method, task re-entrant code is generated to replace the interpretation of its platform-independent code.

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