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MSchn21's avatar
MSchn21
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3 years ago

Quartus DSE Fatal Error

I am trying to run Quartus Design Space Explorer with 3 parallel compilations. After about 20 minutes (at quartus_map stage), two of the compilations will error out with "Fatal Error: Access Violat...
ShengN_altera's avatar
ShengN_altera
Icon for Super Contributor rankSuper Contributor
3 years ago

Hi,


Seems like the memory ram issue. 64GB of RAM probably is not enough for the parallel compilation of your project. Could you try with fewer parallel compilation settings or operating system with higher memory ram to see whether the problem still exists.


Thanks,

Best Regards,

Sheng


MSchn21's avatar
MSchn21
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3 years ago

I think 64GB should easily be enough for 3 simultaneous compilations based upon past experience. I did, however, change to 2 as another experiment and got the same result. Then, I changed the virtual memory to be 4x the RAM size. Still failed in exactly the same way.