Performance Modeling and Analysis Using VHDL and System:Conclusions

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Conclusions

Integration of performance modeling into the design process such that it can actually drive the refinement of the design into an implementation has clear advantages in terms of design time and quality. The capability to cosimulate detailed behavioral models and abstract system-level models is vital to the development of a design environment that fully integrates performance modeling into the design process. One methodology and implementation for cosimulating behavioral models of individual components with an abstract performance model of the entire system was presented. This environment results in models that can provide estimates of the performance bounds of a system that converge as the refinement of the overall model increases.

This chapter has only scratched the surface on the possible improvements that performance- or system- level modeling can have on the rapid design of complex VLSI systems. As more and more functionality can be incorporated into the embedded VLSI systems and these systems find their way into safety-critical applications, measures of dependability such as reliability and safety at the system-level are becoming of great interest. Tools and techniques are being developed that can use the performance model from which to derive the desired dependability measures. In addition, behavioral fault simulation and testability analysis are finding their way into the early phases of the design process. In summary, the more attributes of the final implementation that can be determined from the early and often incomplete model, the better the resulting design and shorter the design cycle.

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