I have two Intel Xeon e5-2690 v4 which you can buy on Ebay for $50 dollars each, and I have 28 cores ,56 threads. I compile 6000 shaders in 3 mins.
You are paying $200 dollars for a CPU with only 8 cores. You will be waiting 20 mins or more to compile those same 6000 shaders.
Think about that.