Too Long; Didn't ReadTimsort: A very fast , O(n log n), stable sorting algorithm built for the real world — not constructed in academia. Photo by Marc Sendra martorell on Unsplash Timsort: A very fast , O(n log n), stable sorting algorithm built for the real world — not constructed in academia. Click here to view the updated article: Timsort - the fastest sorting algorithm you've never heard