Evaluation method of microarchitecture for multithreaded processor

A multithreaded processor is a good approach to increase the performance by utilizing coarse grain parallelism. The execution of multiple threads in parallel makes a performance prediction difficult because of a complicated behavior. Thus instruction-level simulation is necessary for a performance evaluation. In practice, it is very difficult to select optimum configuration of microarchitecture through a simulation of wide variety of candidates because of a long simulation time. The paper presents an evaluation method of microarchitecture for multithreaded processors. The method consists of three steps; first, the characteristics of the application are analysed, secondly, the candidates of microarchitecture are selected in consideration of the characteristics, lastly, the selected architectures are evaluated through the instruction-level simulation using practical application program. The experimental results using computer graphics application show that the proposed evaluation method of microarchitecture are very effective in order to increase the performance of multithreaded processors