Here is an interesting article on the latest W10 scheduler problem. MS is working on a fix. It provides a link to coreprio.exe (free utility) which is a temporary (and probably flawed) workaround. I have tried it with significant improvement in Indigo Supercar Bench of about 65% (4.325 -> 7.254). There was no improvement for the Bedroom Bench). It did not help Cinebench. All these test saturated PPT and TDC and I had to raise them to get these numbers. Here is a screenshot of Ryzen Master:
Using this RM 'CB Profile', CB score went from 5040 to 5724.
I found in ryzen-master-quick-reference-guide.pdf this explanation for the '--%' always showing for EDC for the 2990WX:
Any questions/comments? Enjoy, John.
My system:
MSI X399 Creation, Threadripper 2990WX, 3xSamsung SSD 970 EVO RAID0, 4xSSD 960 EVO on
MSI AeroXpander RAID10, 1TB & 500 GB WD Black, G.SKILL Flare X F4-3200C14Q-32GFX,
Windows 10 x64 Pro, EnerMax-MaxTytan-EDT1250EWT, Enermx Liqtech TR4 280 CPU Cooler,
Radeon RX580, UEFI E7B92AMS.120, AGESA SummitPI-SP3r2-1.1.0.2