Method for optimizing partial evaluating service under network environment

A network environment and valuation technology, applied in the field of network services, can solve problems such as side effects of operating efficiency and reduced operating efficiency, and achieve the effects of maintaining consistency, improving operating efficiency, and reducing operating time

Inactive Publication Date: 2005-07-27
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These technologies have improved the versatility, reusability, and scalability of systems and services to some extent, but they have caused side effects in terms of operating efficiency, especially for those special application areas involving a large number of calculations. reduce

Method used

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  • Method for optimizing partial evaluating service under network environment
  • Method for optimizing partial evaluating service under network environment
  • Method for optimizing partial evaluating service under network environment

Examples

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Embodiment Construction

[0041] Embodiments are provided below in conjunction with the accompanying drawings and method contents:

[0042] figure 1 A partial valuation model is given. The original program generates the bytecode program of the class file through the compiler, and the bytecode program generates the instantiated bytecode program after evaluation.

[0043] In the partial evaluation process, the Java bytecode sequence is used as the evaluation object, and the online evaluation method is used. The program does not perform constraint time analysis, and only records the status and changes of each instruction, variable, and stack of the bytecode program. . Analyze the class file structure to get the constant pool, save the state information in the vector, get the virtual machine instruction sequence in binary format, and encapsulate it into the Instruction class to manage member methods and member variable information. In the instantiated bytecode program, the bytecode length is shortened b...

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Abstract

A partial evaluation method under optimized network environment includes precalculating some constant expression to remove out some judgement conditions and redundancy code for generating high efficient program, using Java virtual computer language subset as evaluating object to generate routine byte code program, utilizing partial optimizing service to analyze byte code as required, loading on operation environment and then evaluating byte code program.

Description

technical field [0001] The invention relates to a method used in the technical field of network services, in particular to a method for optimizing part-valued services in a network environment. Background technique [0002] Network performance is an important research issue in network development. The cross-platform nature makes Java the main development language for network services and distributed computing, but the characteristics of Java virtual machine interpretation and execution of bytecode greatly limit the running speed of applications. Although Just-in-Time (just-in-time) compilation and Hotspot technology can improve program execution efficiency to a certain extent, it is at the expense of memory, and the improvement is not significant. The existing service optimization mainly considers optimization measures from the perspective of service design. [0003] Through literature retrieval to prior art, it is found that the article "Optimizing Web Services with Inter...

Claims

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Application Information

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IPC IPC(8): G06F9/44H04L12/24
Inventor 毛宏燕黄林鹏林琳李明禄
Owner SHANGHAI JIAO TONG UNIV
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