# Why CPU Time ≠ Wall Clock Time! - Computerphile

> 全文为英语

**Published:** 2026年10月14日
**Author:** Computerphile
**Source:** YouTube — Computerphile AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/zh/articles/why-cpu-time-wall-clock-time-computerphile

So today I'd like to talk about time. What time is it and how does a computer know that? My day job I'm high performance computing and high performance computing when you're trying to like measure is something faster than something else you want to know what time it is so that…

> 内容来自原始来源： **YouTube — Computerphile AI**
> [在 YouTube — Computerphile AI 阅读全文](https://www.youtube.com/watch?v=xs5iOwkX9fU)

**标签：** #Робототехника #YouTube

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