No need to develop and alternative when you can trick MKL into not crippling AMD: https://www.pugetsystems.com/labs/hpc/How-To-Use-MKL-with-AM...

Edit: the link I posted follows Agner's advice from the bottom of OPs link. However I think the extra information that it adds is that Zen2 Threadrippers outpaced then-current Intel's top contender. Once Zen3 and Intel's 11th Gen become available, repeating this benchmarks would be very valuable.