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Posted by BrendanLong 9/3/2025

%CPU utilization is a lie(www.brendanlong.com)
437 points | 167 commentspage 4
throwmeaway222 9/3/2025|
Yeah, this is what we all talked about when hyperthreading was first invented in 2000 era.
1gn15 9/3/2025||
Love that this website is public domain. Thank you, Brendan!
bdhcuidbebe 9/3/2025||
Thats some strong words about not RTFM.
kunley 9/3/2025||
tl;dr: guy vibecodes a thing to measure something he doesn't fully understand and then realizes his methodology is wrong. Ends up with a catchy "X is a lie" title, which itself can be considered a lie.
timzaman 9/3/2025|
What's become of hacker news that this is #2 post ? This is basic knowledge any programmer gets in their first few years..
therealdrag0 9/3/2025||
It’s a big industry with a wide range of knowledge levels.
saagarjha 9/3/2025||
I encounter very few programmers who learn this.