This is an exercise I recommend every developer take. https://computers-are-fast.github.io/ https://computers-are-fast.github.io/ It shows you by series of que

This is an exercise I recommend every developer take. https://computers-are-fast.github.io/ https://computers-are-fast.github.io/ It shows you by series of questions, how fast code run, what is speed of ram vs cache, ram vs hdd, file vs sql read. Highly recommended.