Open-source News

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

Phoronix - Thu, 01/27/2022 - 22:24
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

Phoronix - Thu, 01/27/2022 - 19:55
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

Phoronix - Thu, 01/27/2022 - 18:23
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

Phoronix - Thu, 01/27/2022 - 18:05
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

Phoronix - Thu, 01/27/2022 - 17:43
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...

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