V2EX vectorization

Vectorization

定义 Definition

vectorization(向量化)指把原本按“一个元素/一次循环”逐个处理的操作,改写为对一整组数据(向量/数组)同时处理的方式,以提高效率。常见于数值计算(如 NumPy)、数据科学,以及计算机体系结构中的 SIMD 指令加速。(在某些语境下也可指把文本/对象转换成向量表示的“特征向量化”,但此处以最常见的计算加速含义为主。)

发音 Pronunciation (IPA)

/vktrazen/

词源 Etymology

来自 vector(向量)+ -ize(使成为……)+ -ation(名词后缀,表示过程/结果)。字面意思就是“使其成为向量的过程”,引申为“用向量方式来处理/表示”。

例句 Examples

Vectorization can make your code run much faster.
向量化可以让你的代码运行得更快。

By replacing nested loops with vectorization, the team reduced computation time and improved numerical stability in their simulation.
通过用向量化替代嵌套循环,团队减少了计算时间,并提升了仿真的数值稳定性。

相关词 Related Words

文学与著作 Literary Works

  • Computer Architecture: A Quantitative Approach(Hennessy & Patterson):讨论 SIMD/编译器与硬件层面的向量化优化。
  • High Performance Python:介绍在 Python/NumPy 中通过向量化提升性能的实践。
  • *The Art of Scientific Computing (Numerical Recipes)*:涉及数值计算中用向量/数组操作提升效率的思路与实现。
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