Method of converting program code of program running in multi-thread to program code causing less lock collisions, computer program and computer system for the same
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United States of America Patent
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Mar 3, 2015
Issued Date -
N/A
app pub date -
Apr 27, 2010
filing date -
Apr 28, 2009
priority date (Note) -
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Abstract
A method of converting a program code of a program running in multi-thread to a program code which causes fewer lock collisions. The method includes reading the program code into a memory and searching the program code for a first conditional statement making a branch to a path, which is in a synchronized block and has no side effect on the synchronized block; duplicating the path having no side effect to which the branch is made by the searched first conditional statement into the outside of the synchronized block; and adding a second conditional statement into the program code in response to the duplication, wherein the second conditional statement is a conditional statement making a branch to the duplicated path having no side effect. Also provided is a system and an article of manufacture which causes a computer to carry out the steps of the above method.
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