@Deepak simulation time is related to circuit size, required precision/steps and ease of convergence.
What is the size of the cirrcuit? (how many transistor approx).
What is the simulation command (.tran /.dc) ?
After doing the simulation, at the ngspice prompt, you can give this command:
listing logical expand > flat_list
this will create a
flat_list
file in the
~/.xschem/simulations
directory (or any other directory where your simulations are running).
The '`Warning: output of command 'listing' will be truncated`' message is not an issue for our purposes.
You can then get the exact number of MOS transistors in your circuit by doing in a bash shell:
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