Elementary Introduction of the Personal Software Process

At present, it is accepted that capability maturity model (CMM) is the best software process in software industry. The personal software process (PSP) is an application of the principles of CMM on the level of an individual software engineer. PSP is also a process improvement methodology aims at individual software engineers. This article mainly introduces and analyses the conceptions, functions and the PSP evolution framework. At last, the relationship between PSP and CMM is shown.