Method for optimizing Java performance using precompiled code
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United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Jun 30, 1998
filing date -
Jun 30, 1998
priority date (Note) -
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Abstract
Compilers are tools that generate efficient mappings from programs to machines A Java 'Just In Time' runs as part of an application, and as such, it must be fast and efficient in its use of memory. To achieve good performance and further optimize code generation, the present invention introduces a method for optimizing Java performance using precompiled code. The method of the present invention first monitors the performance of program code during program execution. Then a list of program functions for possible native code compilation is created. The list may be created based upon static and dynamic analysis of the computer program. A plurality of program functions from said list of program functions is selected for optimization and native compilation. The selected program functions are precompiled into native program functions. The present invention also allows the precompiled native code reverted so that a user could explore the performance tuning until satisfactory.
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