Ranking the cores from best to worst are needed for Collaborative Processor Performance Control (CPPC), which is defined in the ACPI spec, which stands for Advanced Configuration and Power Interface and is an open standard that Windows and other operating systems use for power management, status monitoring, and hardware configuration.
Hallock begins by explaining that ‘ the performance ranking of the cores is fused at the factory and reported by firmware.’ This information boils down the individual voltage/frequency characteristics of each core, and both Ryzen Master and Windows draw on this same information.
The take-home message from Hallock, AMD’s Senior Technical Marketing Manager and CPU/APU Technologies & IP, is that this is by design, as ‘ Windows and Ryzen Master have substanitally different coals when identifying a fastest core,’ but that this will change when plans to align the two are implemented. The post comes in response to users who have compared Ryzen Master’s findings of the fastest core to those of Windows and noted discrepancies between the two as evidence of something being amiss. If you get it installed, report back in the comments section below on how it works out for you.In an effort to allay concerns that have been building on AMD community forums and Reddit, AMD’s Robert Hallock has taken to the latter to detail how the “best” cores are selected in both Ryzen Master and Windows and explain why the results differ between the two, revealing hitherto unknown information about the specifics. If you're willing to take the plunge with your AMD Ryzen-based laptop, you can download the Ryzen Controller from the following website. The Ryzen Controller software supports "most" Ryzen 2000, Ryzen 3000, and Ryzen 4000 laptops and is available for folks running Windows 10 or Linux (Debian/Redhat). In addition, you can create custom presets for your individual needs (i.e. All of these settings are accessed through an uncluttered GUI that makes configuration simple.
In other words, STAPM monitors and controls things like TDP and clock frequency so that your laptop is able to hit boost clocks for specified periods of time, then throttle back down to make sure that it doesn't cook itself (or your legs).Īccording to the developers, you'll be able to control both Short and Long Boost TDPs (which determines the TDP of the CPU in "boost"), temperature limits, and boost periods (among other settings). Ryzen Controller allows you to tweak settings that will alter your laptops STAPM, or Skin Temperature Aware Power Management.
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