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Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Very long compilation time

Hi,

I am having a problem with extremely long compilation time. A simple VHDL code is taking 1 hour to compile.

I am using Quartus 15.1 Standard Edition (trial version). I have seen that in the compilation process, it always gets stuck at the fitter process. At this point it states " The Fitter is using Advanced Physical Optimization" as shown in the attached screen shot . I have also seen that during this process, my computer's CPU usage goes to 100%.

Kindly advise how to speed up the compilation specially the fitting process.

Misha

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  • CLa_R's avatar
    CLa_R
    Icon for Occasional Contributor rankOccasional Contributor
    5 years ago

    I noticed that, in my design (a MISP type CPU mono clock), if I wired the final MUX selection signal with control signal, the compile stuck on 47%. If I fix the select signal of final MUX to a value (eg. VCC), my design compile in few seconds. But...why?