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计算机系统应用英文版:2011,20(2):169-172,244

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Python 语言整数运算实现机制分析与性能评估

刘巧红, 单贵

(上海电子信息职业技术学院计算机应用系，上海 201411)

Integer Arithmetic Implementation Mechanism and Performance Evaluations of Python Language

LIU Qiao-Hong, SHAN-Gui

(Department of Computer, Shanghai Technical Institute of Electronics & Information, Shanghai 201411, China)

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本文已被：浏览 1942次下载 110次
Received:May 26, 2010 Revised:June 21, 2010

中文摘要: Python 是最流行的脚本语言之一，但性能较慢。以整数运算为例，通过实验对比评估了Python 与C语言性能差异，从虚拟机源代码层面分析了性能差异产生的原因。在性能优化方面，归纳了几种常用的方法，并基于其中一种进行了对比测试，取得了较好效果。

中文关键词: Python 性能分析性能优化评估整数运算

Abstract:Python is one of the most popular script language, but the performance is a problem. In this paper, we evaluated the performance of integer arithmetic difference between the Python and C languages by experiment, and analyzed the causes of performance difference from the virtual machine source code level. The paper summarizes several common methods of Python script performance optimization, by one of these, we achieved good results on test.

keywords: Python performance analysis performance optimization evaluation integer arithmetic

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基金项目:

Author Name	Affiliation
LIU Qiao-Hong	Department of Computer, Shanghai Technical Institute of Electronics & Information, Shanghai 201411, China
SHAN-Gui	Department of Computer, Shanghai Technical Institute of Electronics & Information, Shanghai 201411, China

Author Name	Affiliation
LIU Qiao-Hong	Department of Computer, Shanghai Technical Institute of Electronics & Information, Shanghai 201411, China
SHAN-Gui	Department of Computer, Shanghai Technical Institute of Electronics & Information, Shanghai 201411, China

引用文本：
刘巧红,单贵.Python 语言整数运算实现机制分析与性能评估.计算机系统应用,2011,20(2):169-172,244
LIU Qiao-Hong,SHAN-Gui.Integer Arithmetic Implementation Mechanism and Performance Evaluations of Python Language.COMPUTER SYSTEMS APPLICATIONS,2011,20(2):169-172,244