This paper studies a number of different techniques that can be used to reduce the amount of time needed to run block diagram simulations. The first is automatic code generation techniques used to create simulation executables from graphical block diagram models. A number of alternative techniques are studied, highlighting increases in simulation speed that can be achieved at the expense of interactivity with the graphical model. This paper will discuss at which stages of modeling and simulation code generation should be considered. The second technique that is studied is the use of computing clusters to distribute a number of simulation runs across a number of processors. With the advent of the multicore processor this technique has become accessible to many more engineers than in the past.
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