Modeling processors involves creating abstract representations of how a computer's central processing unit (CPU) operates. This process helps in understanding the architecture, performance, and efficiency of different processor designs. By simulating various scenarios, engineers can predict how changes in design will affect overall performance. In the modeling process, tools and techniques such as simulation software and benchmarking are used to analyze the behavior of processors under different workloads. This allows designers to optimize features like speed, power consumption, and heat generation, ultimately leading to more effective and efficient computing solutions.