Clarification about how to create the VCD files with Modelsim

javierh.santiago said:

I know that I have to use the netlist in PrimeTime Px for power estimation, but Do I need to use the netlist file in Modelsim to generate the VCD file, or the original code (given to DesignCompiler) is enough? I try both methods, and definitively the simulation with the original code is much faster but not sure if this way is completely wrong or if it is just a poor estimation.

-Francisco

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ebuddy said:

I am assuming by the original code, you mean RTL code. In order to accurately run the power simulation, you need netlist and VCD file.

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javierh.santiago said:

Yes, I meant RTL code. But, My questions which code (RTL or netlist) I need to generate the VCD file?

-Francisco

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javierh.santiago said:

I know that I have to use the netlist in PrimeTime Px for power estimation, but Do I need to use the netlist file in Modelsim to generate the VCD file, or the original code (given to DesignCompiler) is enough? I try both methods, and definitively the simulation with the original code is much faster but not sure if this way is completely wrong or if it is just a poor estimation.

-Francisco

Click to expand...