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3D Simulations for Signal Integrity

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Iterative Solver Implications<br />

� For the via example used here, the model is<br />

solved with and without the Iterative solver<br />

� Direct solver<br />

� 492 MB / 16 16.5 5 minutes i t<br />

� Iterative solver<br />

� 210 MB / 25 minutes<br />

� With the Iterative solver, this problem required<br />

57% less memory !!<br />

� Cannot use the iterative solver on problems<br />

requiring zero order basis functions

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