# Why CPU Time ≠ Wall Clock Time! - Computerphile

**Published:** October 14, 2026
**Author:** Computerphile
**Source:** YouTube — Computerphile AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/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…

> From the original source: **YouTube — Computerphile AI**
> [Read full article at YouTube — Computerphile AI](https://www.youtube.com/watch?v=xs5iOwkX9fU)

**Tags:** #Робототехника #YouTube

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