Hi,
The Quartus II software can use multiple processors to reduce compilation time. Refer below link for more information.
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd03222007_376.html
https://www.intel.com/content/www/us/en/programmable/support/support-resources/knowledge-base/solutions/rd04022007_474.html
Let me know if this has helped resolve the issue you are facing or if you need any further assistance.
Best Regards,
Anand Raj Shankar
(This message was posted on behalf of Intel Corporation)