Don't diddle code to make it faster—find a better algorithm.

不要为了使代码更快而胡乱编写代码——要找到更好的算法。

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"An ultimate face recognition algorithm should perform with billions of people in a dataset," the researchers wrote.

“最终的人脸识别算法应该能在一个数据集里处理数十亿人的数据。”研究人员写道。

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The more inputs and statistical information collected, the better the algorithm will be at predicting a range of outcomes.

输入和收集的统计信息越多，算法就越能准确地预测一系列结果。

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So I'm going to solve this by enumerate and check, which is an example of what's called a brute-force algorithm.

你懂的,所以我得靠列举和检验来解决这个问题,这就是我们说的穷举算法。

麻省理工公开课 - 计算机科学及编程导论课程节选

So this is a nice little search-- sorry, a nice little sort algorithm . And in fact, it's relying on something that we're going to come back to, called the loop invariant.

恩，这是一个很棒的小搜索，抱歉，和很棒的小排序算法，事实上，它依赖于一些我们要回顾的东西,被称作循环不变量。

麻省理工公开课 - 计算机科学及编程导论课程节选

And so ease of implementation is actually a very compelling -- metric against which to measure-- -- do you mind toning my voice down a bit-- is a very reasonable measure against which to measure the quality of an algorithm, right.

如此简单的实现实际上是一个很牵强的,度量，与之相对的衡量是-,如果你们不介意，我降低点音量-,是一种用来度量算法质量的,合理的方法。

哈佛公开课 - 计算机科学课程节选

To be taken with a grain of salt is its claim to possess a secret-sauce algorithm that spits out a warning when a stock is likely to tumble.

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Aside from the relative ease with which attackers guess passwords, once they have stolen the list of usernames and hashed ( a one-way algorithm used to hide data) passwords, the attacker just checks a dictionary of hashed words against the hashed passwords to find matches.

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Roth, aided by a Harvard graduate student and a young economist at Columbia, redesigned the system using a version of what's known as a deferred-acceptance algorithm.

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