[Bug 271548] Alder lake CPU not running at full speed
- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 271548] Alder lake CPU not running at full speed"
- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 271548] Alder lake CPU not running at full speed"
- Reply: bugzilla-noreply_a_freebsd.org: "[Bug 271548] Alder lake CPU not running at full speed"
- Go to: [ bottom of page ] [ top of archives ] [ this month ]
Date: Sun, 21 May 2023 06:46:36 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=271548 Bug ID: 271548 Summary: Alder lake CPU not running at full speed Product: Base System Version: 13.2-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: k@vodka.home.kg Looks like FreeBSD 13.2 does not correctly manages core MHz on alder lake CPUs and does not support turbo boost. I have core i7 12700K. Noticed that openssl speed -evp aes-128-cbc performs 30% slower than on linux and windows. # sysctl dev.cpu.0.freq dev.cpu.0.freq: 498 # sysctl dev.cpu.0.freq_levels dev.cpu.0.freq_levels: 3609/-1 # sysctl dev.cpu.0.freq=3609 dev.cpu.0.freq: 498 -> 2905 Strange results from freq_levels. It cant even set 3.6 Ghz (normal freq without turbo boost) -- You are receiving this mail because: You are the assignee for the bug.