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RayHaynes1's avatar
RayHaynes1
Icon for Occasional Contributor rankOccasional Contributor
2 years ago
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What is this file - dcalc_extrapolate_dump_0000.txt

With each build a file called dcalc_extrapolate_dump_0000.txt (0000 increments each time) is generated. It's over 1/2 gigabyte in size. It start being created during the Early Timing Analysis and fin...
Hdl
  • RayHaynes1's avatar
    RayHaynes1
    2 years ago

    Noticed in the GUI message window at the start of a build a message stating that the ipgenerate tool was using an INI file (quartus.ini). Curious what might be in it I took a look and low and behold found this line. So it's apparently some debug feature of Quartus. No idea why it was set on mine

    dcalc_force_negative_transitions_to_zero_and_print_debug_warning=on

    Set it to off and those files are no longer created. Problem solved :-).

RayHaynes1's avatar
RayHaynes1
Icon for Occasional Contributor rankOccasional Contributor
2 years ago

It appears in the root project directory. I'm not doing anything but a basic build. I am using gbit transceivers (the part with the most magic :-)) but I tried commenting it out and it still generates it.

If I do a full, one step compile only one large file is generated but if I compile step by step by clicking on the run arrows in the Compilation Dashboard separate progressively larger files are created at Early Timing Analysis, Plan, Place, Route, and Fitter (Finalize).

I'd be concerned about a virus but the file content seems pretty worthless outside of wherever it's used.

sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
2 years ago

I've never seen this created before, but you can try turning off the snapshot feature in the compilation settings since you mention you get this at each stage of the fitter. But the compiler generates binary info for compilation results, not a random text file.

Do you have an .ini or some other unique feature enabled?