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How can you greatly speed up simulation of SPICE or other design data?

SPICE netlists and other analog source code are getting more complex and more time-consuming to read. Certain new software tools now allow you to define and save SPICE data of a fragment for quick partial simulation, locally or remotely in an external simulator.

Usually, even minor changes in design require the full design to be simulated. If you could save any selected SPICE data or circuit fragment for use in an external simulator this can shorten your simulation time. For example, in a design of 300,000 elements only a fragment of 300 is altered by a change is relevant. By simulating just the design fragment, simulation time is reduced by a factor of 10 to 100. When you convert that to hours this is the difference between spending 10 hours waiting for a result, or just an hour (maybe over a lunchtime). Partial simulation allows more simulations to happen with faster completion of the design.

See how you can do this in this brief video and see others for more schematic tool features to shorten your netlist analysis and debugging here.

Spice cone extraction 2 for simulation.PNG


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