来源:http://www.huyng.com/posts/python-performance-analysis/ While it's not always the case that every Python program you write will require a rigorous performance analysis, it is reassuring to know that there are a wide variety of tools in Python's ec…

Analyzing UI Performance with Systrace In this document Overview 简介 Generating a Trace  生成Systrace文件(html) Tracing on Android 4.3 and higher   4.3以上 Tracing on Android 4.2 and lower    4.2以下 graphical user interface               用工具生成Systrace 文件 Ana…

While developing your application, you should check that user interactions are buttery smooth, running at a consistent 60 frames per second. If something goes wrong, and a frame gets dropped, the first step in fixing the problem is understanding what…

https://blogs.technet.microsoft.com/robertsmith/2012/02/07/analyzing-storage-performance-using-the-windows-performance-analysis-toolkit-wpt/…

原文:A guide to analyzing Python performance While it’s not always the case that every Python program you write will require a rigorous performance analysis, it is reassuring to know that there are a wide variety of tools in Python’s ecosystem that one…

有些脚本发现比预期要慢的多,就需要找到瓶颈,然后做相应的优化,参考A guide to analyzing Python performance,也可以说是翻译. 指标 运行时间 时间瓶颈 内存使用 是否有内存泄漏 基本 linux time 这是个shell中自带的命令,也是最简单和方面的方法,但是得到信息太少 [root@bogon util]# time python pvsts.py Yesterday PV/UV PV 46300 UV is 3899 real 2m36.591s #…

[转]Python学习资料和教程pdf 开发工具: Python语言集成开发环境 Wingware WingIDE Professional v3.2.12 Python语言集成开发环境 Wingware WingIDE Professional v3.2.9.1 高效Python/Django开发工具:JetBrains PyCharm v1.1.1 (附注册机) Python和Django开发工具:JetBrains PyCharm v1.1 学习资料: Python 3程序开发指南 (第二…

问题一:以下的代码的输出将是什么? 说出你的答案并解释. class Parent(object): x = 1 class Child1(Parent): pass class Child2(Parent): pass print Parent.x, Child1.x, Child2.x Child1.x = 2 print Parent.x, Child1.x, Child2.x Parent.x = 3 print Parent.x, Child1.x, Child2.x 答案 以上代码的…

开发工具: Python语言集成开发环境 Wingware WingIDE Professional v3.2.12 Python语言集成开发环境 Wingware WingIDE Professional v3.2.9.1 高效Python/Django开发工具:JetBrains PyCharm v1.1.1 (附注册机) Python和Django开发工具:JetBrains PyCharm v1.1 学习资料: Python 3程序开发指南 (第二版) 中文PDF下载 Programmi…

问题一:以下的代码的输出将是什么? 说出你的答案并解释. class Parent(object): x = 1 class Child1(Parent): pass class Child2(Parent): pass print Parent.x, Child1.x, Child2.x Child1.x = 2 print Parent.x, Child1.x, Child2.x Parent.x = 3 print Parent.x, Child1.x, Child2.x 答案 以上代码的…