Category: Quartus® Prime
Tools: Quartus® Prime
device:-

As stated in the Quartus® Prime Standard Edition User Guide:
If they are separated by partitions, etc., they will be processed in parallel during compilation.

(Reference) Intel Quartus Prime Standard Edition User Guide: Design Compilation
https://www.intel.com/content/www/us/en/programmable/documentation/pts1529446039343.html#mwh1410471195572
(Enabling Multi-Processor Compilation item)

For designs with partitions, once you partition your design and enable partial compilation, the Intel® Quartus® Prime software can use different processors to compile those partitions simultaneously during Analysis & Synthesis.

Quoted from <<Intel Quartus Prime Standard Edition User Guide: Design Compilation>>

Also, if the compile time does not change significantly, please refer to the Knowledge Database below.
(Reference) Why doesn't using parallel compilation reduce compilation time as much as expected?
https://www.intel.co.jp/content/www/jp/en/programmable/support/support-resources/knowledge-base/solutions/rd04022007_474.html