How can i use cache lines?

Question

Hello.How to effectively use the line cache? And how much is this actual now?

Answer 1

How about the links and discussion here?
https://stackoverflow.com/questions/3928995/how-do-cache-lines-work

That post includes "What Every Programmer Should Know About Memory" and additional followup in answers/comments.

Answer 2

This link is not give all information. And it have not example