So who here has been playing with the new combination of Ryzen Master, AMD chipset drivers, and the latest AGESA variant?
Thus far, I'm largely unimpressed. I've only been able to get boost clocks as high as 4.55 GHz in default settings and setting core affinity to one of the CPU's fastest cores with polling intervals in Ryzen Master of 4s or longer. Scored a 9.035s in SuperPi that way, which is interesting. PBO is not increasing my ST clocks at all. In MT CBR20, default is scoring around 7143 while PBO scores 7183. Not much difference there.
I went for a lighter workload, CBR10. In this workload, I got a better score thanks to conformity of core clocks. The bench finished its multiple threads closer to each other, whereas with default mode I had a few lingering render threads waiting for completion near the end of the bench (most were already finished). That resulted in about +4000-6000 points in the benchmark for PBO.
I also discovered that core affinity in Win10 task manager can be used to exclude certain cores if you set affinity on an MT application that is already "in flight". Good luck figuring out which core in Task Manager corresponds to which core on which CCX of your Matisse since it can get a little weird in MT workloads. You might be able to take advantage of that in games that can't spawn 24 threads. Unfortunately, I can't positively demonstrate that clockspeeds will be much higher in such scenarios, and the Windows scheduler is supposed to be picking those cores anyway.
All testing up to this point ran in Ryzen Performance mode (not Ryzen Balanced). I haven't tried negative vcore offsets yet.