V2EX vectorized

Vectorized

释义 Definition

vectorized”常指(在数学/编程中)向量化的:把原本逐个元素处理的操作,改为对整个向量/数组一次性批量处理(常用于提升性能、减少显式循环)。也可泛指“用向量表示/处理过的”。

发音 Pronunciation

/vktrazd/

例句 Examples

Vectorized code often runs faster than a Python for-loop.
向量化代码通常比用 Python 的 for 循环跑得更快。

By rewriting the feature extraction step as a vectorized operation, the team reduced latency and made the pipeline easier to maintain.
通过把特征提取步骤改写为向量化操作,团队降低了延迟,并让整个流程更易维护。

词源 Etymology

来自 vector(向量)+ -ize(使成为……的动词后缀)构成 vectorize(向量化),其过去分词/形容词形式为 vectorizedvector 源自拉丁语 vector(“搬运者/运载者”),进一步来自 vehere(“运输、携带”);现代数学中引申为“具有方向和大小、可用于表示与运算的量”。

相关词 Related Words/h2>

文学与著作 Literary Works

  • Python for Data Analysis(Wes McKinney)中讨论使用 NumPy/vectorized 运算加速数据处理。
  • Fluent Python(Luciano Ramalho)提到利用 NumPy 的向量化思想写出更高效的数值代码。
  • High Performance Python(Micha Gorelick, Ian Ozsvald)以 vectorized 操作为性能优化的重要手段之一。
  • NumPy User Guide(NumPy 官方文档/指南)大量使用 vectorized 来描述数组级计算与 ufunc。
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