PROGRAM OPTIMIZATION DEVICE AND PROGRAM OPTIMIZATION METHOD
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Oct 8, 2008
filing date -
Feb 5, 2008
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Abandoned
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Abstract
A program optimization device which, when optimizing a program, performs optimization depending on characteristics of data to be processed by the program without having to execute the program before the optimization, includes: an intermediate code conversion unit that converts an input program to be optimized, into an intermediate code; a variable value setting unit that sets a possible value of a variable according to externally provided information; a node value calculation unit that calculates a possible value of a node included in the intermediate code according to the value set by the variable value setting unit; an intermediate code optimization unit that optimizes the intermediate code according to the value calculated by the node value calculation unit; and an output program conversion unit that converts the intermediate code optimized by the intermediate code optimization unit, to an output program.
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