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Intel Core i9 12900K P-State Governor Performance On Linux Review

Since Intel's Alder Lake launch one of the test requests to come in a few times has been about the Intel P-State CPU frequency scaling driver and how its performance differs with the various governor choices available for altering the CPU frequency scaling behavior. Now that Linux 5.16 stable is out and running in good shape on Alder Lake, here are some Core i9 12900K benchmarks looking at various CPU frequency scaling choices and their impact on raw performance as well as CPU thermals and power consumption. With Alder Lake having seen fixes in Linux 5.16 as well as ADL-S graphics being enabled by default on this new kernel, it's a good target for carrying out the P-State testing. The main reader inquiry has obviously been about how how well these new Intel hybrid processors perform if moving from P-State "powersave" as is often the default governor on most distributions to instead using the "performance" governor that tends to keep the CPU in its higher performance states more aggressively than powersave. Read more

Stable Kernels: 5.16.3, 5.15.17, 5.10.94, 5.4.174, 4.19.226, 4.14.263, 4.9.298, and 4.4.300

I'm announcing the release of the 5.16.3 kernel.

All users of the 5.16 kernel series must upgrade.

The updated 5.16.y git tree can be found at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-5.16.y
and can be browsed at the normal kernel.org git web browser:
	https://git.kernel.org/?p=linux/kernel/git/stable/linux-s...

thanks,

greg k-h
Read more Also: Linux 5.15.17 Linux 5.10.94 Linux 5.4.174 Linux 4.19.226 Linux 4.14.263 Linux 4.9.298 Linux 4.4.300

Android Leftovers

Free Software Events in Europe and Australia

  • The FSFE at FOSDEM 2022 - FSFE

    This year's edition will be kicked off by a talk of Masafumi Ohta, teaching on Free Software license and compliances at the University of Electro-Communications in Japan at 13:00 CET. In his talk, Ohta addresses the issue on "How to teach OSS licenses and compliances at a university". At 13:30 CET, Italo Vignoli, a well-known Free Software advocate and a marketing and public relations consultant, gives a presentation on "Why the pandemic could help FOSS, but was a win for proprietary software".

  • FOSDEM 2022 schedule with embedded Linux, IoT, automotive... sessions - CNX Software

    While typically taking place in Brussels, Belgium, FOSDEM 2022 will take place online just like FOSDEM 2021 due to COVID-19 restrictions. The good news is that it means anybody can attend it live from anywhere in the world, and makes it more like “FOSDIM”, replacing European with International, in “Free and Open Source Developers’ European Meeting”. FOSDEM 2022 will take place on February 5-6 with 637 speakers, 718 events, and 103 tracks. I’ve made my own little virtual schedule below mostly with sessions from the Embedded, Mobile and Automotive devroom, but also other devrooms including “Computer Aided Modeling and Design”, “FOSS on Mobile Devices”, “Libre-Open VLSI and FPGA”, and others.

  • Talking digital with Brian Kernighan | Opensource.com

    Brian Kernighan has written many popular books about programming, computers, and technology. My own bookshelf includes several books authored or co-authored by Kernighan, including The C Programming Language, Unix: A History and A Memoir, The AWK Programming Language, and others. I just added another book by Kernighan, Understanding the Digital World: What You Need to Know about Computers, the Internet, Privacy, and Security, Second Edition, published in 2021 by Princeton University Press.

  • Australia/NZ Linux Meetings « etbe - Russell Coker

    I am going to start a new Linux focused FOSS online meeting for people in Australia and nearby areas. People can join from anywhere but the aim will be to support people in nearby areas. To cover the time zone range for Australia this requires a meeting on a weekend, I’m thinking of the first Saturday of the month at 1PM Melbourne/Sydney time, that would be 10AM in WA and 3PM in NZ. We may have corner cases of daylight savings starting and ending on different days, but that shouldn’t be a big deal as I think those times can vary by an hour either way without being too inconvenient for anyone. Note that I describe the meeting as Linux focused because my plans include having a meeting dedicated to different versions of BSD Unix and a meeting dedicated to the HURD. But those meetings will be mainly for Linux people to learn about other Unix-like OSs.