KDE Squashes Many "Annoying" Bugs As It Works To Improve The Desktop's Reliability.

KDE developers are trying to ensure the reliability of their desktop environment and thus they have recently begun a renewed effort on bug fixing. There is also talk of starting a KDE initiative focused on "15 minute bugs" for "embarrassing" issues that can be easily found within minutes. In any event, this week saw a lot of bug fixing in the KDE world.

115 Minutes Ago - KDE - KDE Bug Fixing - 4 Comments

26 November

Intel Compute-Runtime Updated With DG2/Alchemist Support

Intel's open-source engineers today released the Compute-Runtime 21.47.21710 as their latest update to this open-source compute stack for Linux systems enabling their graphics processors to enjoy performant OpenCL and oneAPI Level Zero support.

26 November 11:56 AM EST - Intel - Compute Runtime - 4 Comments

25 November

FUTEX2 futex_waitv Wired Up For Other Architectures With Linux 5.16-rc3

FUTEX2 as in the new futex_waitv system call landed in Linux 5.16 back during the merge window for improving the efficiency of running Windows games on Linux for those that rely on Windows' WaitForMultipleObjects functionality with futex_waitv is now the ability to wait on multiple futexes. That new system call is now supported on more architectures with the next Linux 5.16 release candidate.

25 November 07:19 PM EST - Linux Gaming - FUTEX2 - 20 Comments
NVIDIA's Open-Source Image Scaling SDK 1.0 Released

Last week NVIDIA announced the Image Scaling SDK as an open-source, cross-platform GPU image upscaling implementation that with their own hardware makes use of DLSS. Following the brief exposure over the past week, NVIDIA Image Scaling SDK 1.0 has been formally christened.

25 November 12:00 AM EST - NVIDIA - NVIDIA Image Scaling SDK 1.0 - 7 Comments

24 November

Intel Posts New Iteration Of Key Locker Support For Linux

With Intel Tiger Lake mobile processors introduced last year there has been good open-source support going back to launch, but a few of the more niche features have seen slower than normal handling for getting the features supported by the upstream Linux kernel. The latest patch series being revived now is for Intel Key Locker support.

24 November 03:46 PM EST - Intel - Intel Key Locker - 3 Comments
AMD P-State v4 Linux Testing On A Ryzen 5 5500U

With AMD having published a new revision to their AMD P-State Linux CPU frequency scaling driver that they are working towards mainlining with a goal of better power efficiency on Linux, here are some initial benchmarks of that new patch series when using a Ryzen 5 5500U notebook.

24 November 09:15 AM EST - Software - 14 Comments
Airlie Exploring Possibility Of VA-API On Top Of Vulkan Video

Well known open-source Linux graphics expert David Airlie of Red Hat has recently been working on early Vulkan Video support for Mesa's Radeon "RADV" and Intel "ANV" drivers. As part of that effort and in part due to lack of software making use of Vulkan Video extensions right now, he has started exploring the feasibility of implementing the Video Acceleration API (VA-API) atop Vulkan Video.

24 November 05:32 AM EST - Vulkan - Zink Hackery - 20 Comments

23 November

DDR4 vs. DDR5 Memory Performance For Intel Core i5-12600K Alder Lake On Linux

Given current memory pricing and extremely limited availability of DDR5 memory modules, many Phoronix readers have been requesting DDR4 vs. DDR5 memory benchmarks for Alder Lake on Linux. After picking up a DDR4 Z690 motherboard, here are some reference benchmarks between DDR4 and DDR5 when testing with the Core i5 12600K on Ubuntu Linux in a variety of real-world workloads.

23 November 08:43 AM EST - Memory - 43 Comments
Another Sizable Performance Optimization To Benefit Network Code With Linux 5.17

Last week I wrote about a big TCP performance optimization having been queued up into net-next for Linux 5.17. That optimization can yield significant TCP throughput improvements especially with today's high-end 100Gb+ network hardware. There is now another separate juicy optimization to benefit the Linux network performance in the next kernel cycle.

23 November 05:39 AM EST - Linux Networking - Faster csum_partial() - 55 Comments

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