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04 | 复杂度来源：高性能
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讲了架构设计的主要目的是为了解决软件系统复杂度带来的问题。那么从今天开始，我将为你深入分析复杂度的 6 个来源，先来聊聊 复杂度的来源之一高性能。
对性能孜孜不倦的追求是整个人类技术不断发展的根本驱动力。例如计算机，从电子管计算机到晶体管计算机再到集成电路计算机，运算性能从每秒几次提升到每秒几亿次。
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03 | 架构设计的目的
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我们聊了架构出现的历史背景和推动因素。以史为鉴，对我们了解架构设计的目的很有帮助。谈到架构设计，相信每个技术人员都是耳熟能详，但如果深入探讨一下，“为何要做架构设计？”或者 “架构设计目的是什么？”类似的问题，大部分人可能从来没有思考过，或者即使有思考，也没有太明确可信的答案。
架构设计的误区关于架
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【面试现场】如何在500w个单词中统计特定前缀的单词有多少个
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小史是一个应届生，虽然学的是电子专业，但是自己业余时间看了很多互联网与编程方面的书，一心想进BAT互联网公司。今天小史去了一家在线英语培训公司面试了。简单的自我介绍后，面试官给了小史一个问题。
【面试现场】题目：我有500w个单词，你帮忙设计一个数据结构来进行存储，存好之后，我有两个需求。
1、
...
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02 | 架构设计的历史背景
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理解了架构的有关概念和定义之后，今天，我会给你讲讲 架构设计的历史背景。我认为，如果想要深入理解一个事物的本质，最好的方式就是去追寻这个事物出现的历史背景和推动因素。我们先来简单梳理一下软件开发进化的历史，探索一下软件架构出现的历史背景。
机器语言（1940 年之前）最早的软件开发使用的是“ 机器语
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