The Linux scheduler: A decade of wasted cores (2016)

Since the article is more than 5 years old, it would be interesting to find out what became of their efforts. The GitHub repo linked in the article (https://github.com/jplozi/wastedcores) was last active in December 2017, and apparently contains some bugfixes, however with the caveat "The provided patches fix the issues encountered with our workloads, but they are not intended as generic bug fixes. They may have unwanted side effects and result in performance loss or energy waste on your machine."…

> The evolution of scheduling in Linux By and large, by the year 2000, operating systems designers considered scheduling to be a solved problem… If I recall correctly, 2000 is 2.3.x which had a braindead trivial scheduler. Basically it just looped through the process list and executed goodness() and found the 'best'. This was obscenely slow when there were a lot of dormant processes. The process table links all mapped to the same cache set which led to cache evictions…

Link to previous discussion on HN: https://news.ycombinator.com/item?id=11501493