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VSavi3's avatar
VSavi3
Icon for New Contributor rankNew Contributor
3 years ago

Quartus-21.1.0.842 Fitter problems

Hi, I have a design which compile and fit properly in Quartus_19.1.0.670 version. But exactly same design does not fit when I use Quartus-21.1.0.842. It gave me following error. I tr...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
3 years ago

How full was the device in 19.1? I'm guessing very full. It's possible some optimization did not occur when you moved to the new version or the function of a particular optimization changed.

Or are you using design partitioning/block-based design or Logic Lock regions?

  • sstrell's avatar
    sstrell
    Icon for Super Contributor rankSuper Contributor
    3 years ago

    Also, you're showing the generic message, not the actual error message. What resource is Quartus saying you are overusing?

    You should also try, at least temporarily, disabling design partitioning to see if that is part of the issue (which I'm guessing it is).