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Speeding up transient simulations in Cadence Spectre

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panchkapunch

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I am doing a transient simulation for a sigma delta modulator and the simulation time required to complete is quite long. I have come across the "accelerated parallel simulation" option in cadence that could speed up the simulation but i am not aware of the process of setting up that option.

I would appreciate some guidance on setting up APS or preferably, a step-by-step tutorial

also any other suggestions for speeding up the simulation is most welcome.

My spectre version is:
5.10.41.500.6.137


Thank You.
 

Read the fine print about UltraSim and APS - they are very
greedy as far as number of licenses they take.

If you want to fix solution time, consider using hierarchy
editor and controlling the switch-views to use veriloga
models for all gates not in the critical path. Assuming you
have those views and acceptable realism in them. You
do not need every node of a do-nothing holding register
solved at every timepoint, which a transistor level
simulation will do whether it's needed or not.
 

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