Yoshifumi Sakamoto

Coarse-grained simulation method for performance evaluation a of shared memory system

We propose a coarse-grained simulation method which takes the effect of memory access contention into account. The method can be used for the evaluation of the execution time of an application program during the system architecture design in an early phase of development. In this phase, information about memory access timings is usually not available. Our method uses a statistical approximation of the memory access timings to estimate their influences on the execution time. We report a preliminary verification of our simulation method by comparing it with an experimental result from an image processing application on a dual-core PC. We find an error of the order of 3 percents on the execution time.

A modeling method by eliminating execution traces for performance evaluation

This paper describes a system-level modeling method in UML for performance evaluation of embedded systems. The core technology of this modeling method is reverse modeling based on dynamic analysis. A case study of real MFPs (multifunction peripherals/printers) is presented in this paper to evaluate the modeling method.

A model-based method for evaluating embedded system performance by abstraction of execution traces

This paper describes a model-based method to evaluate performance of embedded systems. The core technology of this modeling method is reverse modeling based on dynamic analysis of the existing systems. A case study of real MFPs (multifunction peripherals/printers) is presented in this paper to evaluate the modeling method.