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alexislms's avatar
alexislms
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4 years ago
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Why is Questa slower than Modelsim?

I was used to simulate with Intel-Modelsim SE 10.7c. I might have a new project using an Intel FPGA therefore I wanted to give Intel-Questa SE a try and I was surprised to see it's twice slower tha...
  • alexislms's avatar
    alexislms
    4 years ago

    Hi @YEan,

    Interesting... this was my first hands-on with intel's tools.

    I now Questa delivered with Quartus pro 22.1 to avoid any compatibility issues.

    Regards,

alexislms's avatar
alexislms
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4 years ago

@YEan I don't have any problem with my design.

I'm comparing two free versions, Intel-Modelsim SE 20.1 and Intel-Questa SE 21.1.

I'd expect the same performance or even better for Questa for an exact same design. Especially when actually the factor is 2.

Nevertheless, my benchmarking design has already `-voptargs="+acc"`.

Am I wrong?