Comprehensive Threadripper tests - memory vs cpu freq at capped power

[Samuel Paik]

Apparently there are some special cpu registers you can read to get power
used by some components, probably not highly accurate but likely indicative.


Anandtech's review (
https://www.anandtech.com/show/13124/the-amd-threadripper-2990wx-and-2950x-review/4
) covered some of this, they found the 2950WX infinity fabric was using 34
W at low load rising to 43 W at higher load. At low load the interconnect
was using more power than the cpu cores.

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