Memoization

Memoization is a term in software development that refers to when a system essentially remembers something. It is a performance optimization where the system will store or cache something and return that value any time it is provided with the same input.

For example an add function given 1, and 1 as parameters will process the parameters by adding them together. A non-memoized version of this function will run that process again and again even if the parameters are the same. Whereas a memoized function will remember the result of 1, and 1 and just return that value rather than processing again.