This is one of the classic posts here:<p><a href="https://hn.algolia.com/?query=Why%20is%20processing%20a%20sorted%20array%20faster%20than%20an%20unsorted%20array%3F&sort=byPopularity&prefix&page=0&dateRange=all&type=story" rel="nofollow">https://hn.algolia.com/?query=Why%20is%20processing%20a%20so...</a><p>Very good comments in some of the submissions