Code optimization is to improve an important means of the Java virtual machine execution speed. This paper presents an optimization method based on the preprocessed code. Pre-processing module with embedded Java virtual machine to work in parallel, its marked basic block, cycle structure, and collect the data flow analysis method, the number of citations of each variable. Java virtual machine to use the information collected by the pre-processing module to determine the execution frequency of each block on the high-frequency part of inlining, register allocation optimization. The article also discusses a number of issues in the implementation of the Java Virtual Machine.

嵌入式Java虚拟机实现中的代码优化.pdf

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