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https://news.ycombinator.com/item?id=38260935
tldr it's a clickbait title.
Me: So Linux has had this problem since the late 90s?
Brain: Try that again old man.
I don't even need to read the article to know this headline is 100% bullshit.
The task scheduler in the Linux kernel was using a max value of 8 in its calculations rather than the actual number of cores in the machine.
The machine could have 128 cores, but the scheduler would base its calculations on 8 cores. As a result, the processes on the machine would run for less time than they should.