Three years ago, AMD introduced a new type of CPU core for its Zen 4 microarchitecture. The idea behind them was to reduce the amount of die space taken up by a regular core, so that more of them could be packed into a chiplet. The compact design is now a staple part of the Zen family, but it turns out that Team Red has another one on the way for Zen 6.
As reported by Phoronix, a Linux kernel update has been submitted by AMD, with the notes in the kernel mailing list neatly explaining what the new code is for. "This series extends the x86 topology cpu_type classification to support a Low Power core type, in addition to the existing Performance and Efficiency types."
