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

27. Leden 2022 - 15:24
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.

PipeWire 0.3.44 Released With Latency Improvements, Minimal PW Server Support

27. Leden 2022 - 12:55
This will hopefully be the year that PipeWire becomes commonplace on the Linux desktop across all major distributions for audio/video stream management. But for as good as PipeWire is already, frequent point releases continue evolving the functionality and ironing out compatibility improvements for existing JACK and PulseAudio integration. PipeWire 0.3.44 is out today as another step in the right direction...

Coreboot Merges Support For Intel's Arm-Based PSE Offload Engine

27. Leden 2022 - 11:23
As of yesterday Intel's contributed Programmable Services Engine "PSE" support has been merged into mainline Coreboot for supporting this Arm-based dedicated offload engine found within select Intel processors...

Microsoft's CBL-Mariner Linux Distribution Adds Intel SGX Support, Updated Packages

27. Leden 2022 - 11:05
One of Microsoft's Linux/open-source surprises for 2021 was publishing of CBL-Mariner as their internal Linux distribution used for a variety of purposes at the company. Microsoft has kept to updating CBL-Mariner publicly on a monthly basis and continuing to make it easier to test out and enhance its usefulness. Last night they published their January 2022 build of Microsoft's Linux operating system...

DirectFB2 Aims To Resurrect DirectFB For Embedded Systems

27. Leden 2022 - 10:43
The DirectFB library had been a popular option for embedded systems in running off the Linux frame-buffer to avoid the full overhead of an X11 server. But a number of years ago DirectFB disappeared and ultimately stopped being maintained. Meanwhile Wayland has been making lots of inroads into mobile/embedded and areas once popular for DirectFB use. But now it turns out DirectFB2 is in development as a fork of the original DirectFB...

Intel Alder Lake N Support Introduced For Mesa 22.0

27. Leden 2022 - 6:00
In addition to this week seeing Raptor Lake S support added for Mesa 22.0, the Alder Lake N additions have also been merged for this quarter's Mesa update...

Archinstall 2.3.1 Released With PipeWire App Profile Added, Btrfs Install Improvements

27. Leden 2022 - 0:37
Archinstall as the quick and easy-to-use installer for the Arch Linux distribution is out with a new point release delivering a few worthwhile enhancements to the text-based OS installer...

Intel's Linux Graphics Driver Patched For New Security Issue But Can Impact Performance

26. Leden 2022 - 19:54
Intel's "i915" kernel graphics driver has been patched for a software issue that could lead to malicious user-space trigger DMAR read/write faults or worse is the possibility of user-space gaining access to random memory pages. Unfortunately, the security fix comes with performance implications...

Valve To Formally Launch Steam Deck On 25 February, Shipping Begins 28 February

26. Leden 2022 - 19:30
After slipping from the original shipping target of Q4 due to component shortages, Valve is making good on their Q1'2022 shipping plans for the Steam Deck...

SDL2 On Linux Now Prefers Wayland Over X11

26. Leden 2022 - 19:22
With today's SDL2 Git, Wayland is now preferred over X.Org/X11 by default without having to set the SDL video driver environment variable...

Valve Working On Radeon Dynamic VRS For The Steam Deck To Increase Power Savings

26. Leden 2022 - 15:17
Yet another open-source Radeon Vulkan "RADV" driver improvement being worked on by Valve's engineers is around better controlling variable rate shading "VRS" behavior with a focus on improving power savings for the Steam Deck...

Intel Celeron G6900 Benchmarks - Performance Of Intel's $40~60 Alder Lake Processor

26. Leden 2022 - 13:30
At the top-end of Intel's current Alder Lake line-up is the Core i9 12900K while at the opposite end is the Celeron G6900... The Celeron G6900 is a dual-core Alder Lake processor with a suggested customer price of $42~52 USD (though for the limited quantities available, I ended up paying $69). Curiosity got the best of me for seeing how well this lowest-end Alder Lake part performs under Ubuntu Linux.