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JSLY's avatar
JSLY
Icon for New Contributor rankNew Contributor
4 years ago

How to turn off or reduce optimization in questa sim

I downloaded and installed questasim started edition 2021.2 for quartus prime lite 21.1 and the tool opens up and compiles and starts a simulation, but nothing shows up in the "OBJECS" window, almos...
GLT1's avatar
GLT1
Icon for Occasional Contributor rankOccasional Contributor
3 years ago

It's part of the vsim command line used to open up questa.

vsim -voptargs=+acc <your simulation test bench name>

  • JSLY's avatar
    JSLY
    Icon for New Contributor rankNew Contributor
    3 years ago

    Yes that helps Thank You. However I hate typing, is there a way to modify the TCL script or the modelsim.ini to turn off optimization so I can just do on the top menu Simulate-> Start Simulation-><test bench> . right now using that command line vsim -voptargs=+acc <your simulation test bench name> works just fine until you shut down the questa, if you restart questa a later time, then you have to type in the vsim arguments all over again.