Reduced instruction set for java virtual machines
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United States of America Patent
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-
May 10, 2011
Grant Date -
Dec 7, 2006
app pub date -
Aug 14, 2006
filing date -
Mar 27, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Techniques for implementing virtual machine instructions suitable for execution in virtual machines are disclosed. The inventive virtual machine instructions can effectively represent the complete set of operations performed by the conventional Java Bytecode instruction set. Moreover, the operations performed by conventional instructions can be performed by relatively fewer inventive virtual machine instructions. Thus, a more elegant, yet robust, virtual machine instruction set can be implemented. This, in turn, allows implementation of relatively simpler interpreters as well as allowing alternative uses of the limited 256 (2.sup.8) Bytecode representation (e.g., a macro representing a set of commands). As a result, the performance of virtual machines, especially, those operating in systems with limited resources, can be improved by using the inventive virtual machine instructions.
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