文件名称:Embedded_Java
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- JSP源码/Java
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- [PDF]
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- 2012-11-26
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- 166kb
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- 张*
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代码优化是提高Java 虚拟机执行速度的重要手段之一。本文提出了一种基于预处理的代码优化方法。预
处理模块与嵌入式Java 虚拟机并行工作,为其标注基本块、循环等结构,并通过数据流分析收集各方法、各变量
的引用次数。Java 虚拟机利用预处理模块所收集的信息,判定各块程序的执行频率,对高频部分进行内联、寄存
器分配等优化处理。本文还讨论了Java 虚拟机实现中的若干事项。-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.
处理模块与嵌入式Java 虚拟机并行工作,为其标注基本块、循环等结构,并通过数据流分析收集各方法、各变量
的引用次数。Java 虚拟机利用预处理模块所收集的信息,判定各块程序的执行频率,对高频部分进行内联、寄存
器分配等优化处理。本文还讨论了Java 虚拟机实现中的若干事项。-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.
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嵌入式Java虚拟机实现中的代码优化.pdf