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16 votes
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How to do AMD CPU microcode update (not BIOS update)?

The amd64-microcode package hasn’t been updated to include the latest releases. To update your microcode to the latest cersions, you can replace the files in the package: Clone the upstream ...
Stephen Kitt's user avatar
1 vote

Determine which are P-cores/E-cores (Intel CPU)

If /sys/devices/cpu_core/cpus and /sys/devices/cpu_atom/cpus exist on your system, they're lists of core numbers for P and E cores respectively. (Linux should get this info by checking CPUID leaf ...
Peter Cordes's user avatar
  • 6,690
0 votes

Determine which are P-cores/E-cores (Intel CPU)

Please note that Core Ultra on Desktop/Series 2 on mobile lacks SMT, above answers are ONLY accurate to Core Ultra first gen (like yours) and older (perhaps AI generated?) Using lscpu -e, you will see ...
Nil A Curious Programmer's user avatar
2 votes

Determine which are P-cores/E-cores (Intel CPU)

Using lscpu as other answers have suggested is unreliable as it relies on the assumption that P-cores are always SMT capable, E-cores are never SMT capable, and SMT is enabled (which may not be the ...
forest's user avatar
  • 3,175
3 votes

Determine which are P-cores/E-cores (Intel CPU)

When I wrote the answer, I was in a hurry and overlooked the WSL part! With WSL2, you get a virtualized view similar to VMware, but much closer to the actual hardware, though it may mask certain ...
ReflectYourCharacter's user avatar
1 vote

Determine which are P-cores/E-cores (Intel CPU)

From, https://stackoverflow.com/a/71282744, Check: lscpu --all --extended Now, look at the CPU column and CORE column. For example: CPU 0 and CPU 1 belong to CORE 0. Therefore, CORE 0 is a P-core ...

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