Linux Hardware Reviews & Performance Benchmarks, Open-Source News

Linux kernel developer and Bytedance engineer Qi Zheng sent out a request for comments (RFC) patch series on a new feature called Reserved THP to combine the best of HugeTLB and THP kernel functionality.

Posted to the Linux kernel mailing list this week was a new patch series working on scalability enhancements to the MD RAID5 software RAID code. Up to a 10~17% improvement was observed in some configurations with these RAID5 scalability patches.

In development over the past three years has been Newelle as a GNOME-aligned AI virtual assistant. Out this week is Newelle 1.4.5 and it now adds AI image generation support and a redesigned chat interface.

While Plasma 6.7.1 was just released this week following the recent stable debut of Plasma 6.7, there are already a number of fixes piling up for Plasma 6.7.2 due out in July. Plus more feature work and fixes for Plasma 6.8 as the next desktop version going Wayland-only.

Not only is GNOME 51 working to replace GNOME System Monitor with its new replacement, but over in System76's COSMIC space they have been baking their own new system monitor too.

Shotcut 26.6 is out today as the newest major feature release for this popular cross-platform, open-source video editing solution.

One of the limitations of the Intel Linux driver's high dynamic range (HDR) display support is that it currently doesn't work for any DisplayPort Multi-Stream Transport "DP MST" connections, such as for daisy chaining monitors or multi-monitor docking stations. But the good news is patches are being worked on to address this Intel Linux kernel display driver shortcoming.

Since delivering NVIDIA Vera CPU benchmarks one month ago and follow-ups like how the ARM Linux server performance has evolved in 8 years or how Vera compares to Ampere Altra that is still quite common in the marketplace, another frequent discussion point and inquiry is about the performance of NVIDIA Vera relative to NVIDIA's GB10 chip. For those curious about the per-core performance and the like, here are some benchmarks of the GB10 up against those initial Vera results.

The many x86 platform driver changes have now been merged for the in-development Linux 7.2 kernel. As usual it's mostly made up of driver enhancements for benefiting modern AMD Ryzen (AI) and Intel Core (Ultra) laptops.

26 June 09:25 AM EDT - GNOME - Per-Monitor Backgrounds For GNOME

One of the limitations of GNOME's current multi-monitor handling is that the same background is used across the displays. For those that want to enjoy per-monitor background selection, some experimental / proof-of-concept code is now working to allow such per-monitor backgrounds to work with the modern GNOME desktop.

26 June 08:59 AM EDT - Intel - Intel Vulkan Descriptor Heaps

Back in early May was the experimental enabling of Vulkan descriptor heaps for the Intel ANV open-source driver. After nearly two months of continued testing and improvements, the VK_EXT_descriptor_heap support for Intel graphics on Linux is now enabled by default.

The PCI/PCIe subsystem changes have been merged this week as we approach the end of the Linux 7.2 merge window.

26 June 06:19 AM EDT - Intel - Intel ISPC 1.31

Intel engineers on Thursday released the newest version of the Intel Implicit SPMD Program Compiler, ISPC. The ISPC 1.31 supports their variant of the C programming language with extensions for Single Program, Multiple Data programming for leveraging their range of CPU and GPU hardware.

The input subsystem changes were merged this week for Linux 7.2, which is seeing its merge window wrap up on Sunday. Most notable with the input updates is the introduction of the "wacom_w9000" for supporting newer, pen-enabled touchscreens.

Coreboot 26.06 is out today as the latest quarterly feature release for this software project providing open-source system firmware support for a growing number of platforms.

Daily ISOs of Ubuntu 26.10 "Stonking Stingray" continue to be published, but for those preferring something a bit more regulated, out today is Ubuntu 26.10 Snapshot 2 as the second monthly ISO image.

The Linux Foundation along with others like Amazon, Anthropic, OpenAI, NVIDIA, Microsoft, Red Hat, and others have joined forces to launch Akrites. The Akrites project is aiming to help defend critical open-source software from the brisk pace of new AI/LLM-discovered software bugs and vulnerabilities in ensuring that said issues are effectively addressed before they can be exploited by bad actors.

Philip Rebohle announced the release today of DXVK 3.0 as the latest major feature release for this Direct3D 8 / 9 / 10 / 11 implementation atop the Vulkan API for use by Wine and Valve's Steam Play (Proton).

The Academy Software Foundation that advances open-source efforts for the VFX/cinema industry and more with the likes of OpenVDB, OpenMoonRay, Open Shading Language, and other projects, has announced the formation of a new working group to help with Wayland adoption for artists.

Last week marked the release of an updated Raspberry Pi OS that moved to Linux 6.18 LTS from its former Linux 6.12 kernel base along with making a number of other package updates. Given the jump to the newer Long Term Support kernel and other improvements, I ran some fresh benchmarks on the Raspberry Pi 5 (Raspberry Pi 500+) to see the performance difference out of the updated operating system.

Servo 0.3 released today as the latest version of this modern browser engine developed in Rust. With Servo 0.3 the demo servoshell browser is becoming more useful and supporting additional modern web features while Servo also continues to possess much potential moving forward on the embedded front as an alternative to the likes of the Chromium Embedded Framework (CEF).

Linux 7.2 is continuing the trend of removing obsolete hardware drivers for which the code hasn't seen any maintenance in years and there are no believed users left of said drivers, especially those that would be running modern mainline versions of the Linux kernel. The char/misc changes merged dropped two more obsolete drivers from the Linux source tree.

Cache Aware Scheduling is one of the most exciting kernel innovations to land in Linux this year. While it was finally merged last week to Linux 7.2, a new patch series today is already working to extend Cache Aware Scheduling and is showing some exciting performance improvements.

An AMD engineer has contributed to the upstream FFmpeg library an ONNX Runtime back-end for its DNN filter. The FFmpeg Deep Neural Network (DNN) filters allow for running AI models natively inside the video processing pipeline for upscaling, object detection, background segmentation, and more. This ONNX Runntime back-end support is notable in that it expands the GPU and NPU capabilities with FFmpeg.

Way back in 2017 for the Linux 4.12 kernel the Realtek rtl8723bs WiFi driver was added to the kernel's staging area. Nearly a decade later, it's still being cleaned-up to suit the more rigorous non-staging area of the kernel in the formal networking subsystem. For Linux 7.2, the staging pull request is once again dominated by clean-ups to this Realtek WiFi driver.

Merged back in Linux 5.15 in 2021 was KSMBD as an in-kernel SMB3 file server. There hasn't been much KSMBD news to report on recently but for Linux 7.2 there is now SMB2 compression support.

The many memory management "MM" related improvements were recently merged to Git for the Linux 7.2 kernel. As typical most kernel cycles, some of the low-level improvements can yield nice efficiency wins and better performance in different areas.

While the new NTFS file-system driver merged for Linux 7.1 and has seen more improvements for Linux 7.2, for now at least the NTFS3 kernel driver continues to be maintained with new fixes and improvements. NTFS3 is the driver that was upstreamed to the Linux kernel a few years ago back during the pandemic by Paragon Software.

The Flash-Friendly File-System (F2FS) changes have landed for Linux 7.2.

For those with limited rack space and wanting to assemble a high-end server/workstation, the SilverStone RM32 provides a lot of opportunities in being a 3U rackmount chassis that can accommodate an E-ATX or SSI-EEB motherboard, up to a 360mm liquid cooling radiator, and up to four full-size expansion cards all within 3U height requirements. Paired with the SilverStone Extreme 1000Rz Platinum 1000W PSU, you can patch a lot into 5.25 inches.

In addition to AMD engineers being busy rolling out HDMI 2.1 for their open-source Linux driver at long last, another notable display-related improvement on the way to their AMDGPU kernel graphics driver is exposing the Gamma 2.4 and Gamma 2.6 curves support.

The KVM virtualization-related changes were merged a few days ago for the ongoing Linux 7.2 kernel merge window. While there are a number of features/improvements for AMD and Intel virtualization as well as the likes of s390 and RISC-V, there aren't any new features on ARM64. The lack of ARM64 feature work this cycle is being attributed to "so many AI-fueled fixes" swamping the ARM Linux developers.

24 June 06:45 AM EDT - GNU - Generic Tuning

A one line code change to the GNU Compiler Collection (GCC) for its generic x86 tuning is benefiting modern Intel and AMD processors.

With the help of Claude Opus 4.6, the Linux 7.2 kernel added protections to fend off specially crafted or corrupted perf data for the perf tool that could cause a number of issues for the running system.

QSOE 0.1 has made its debut as a QNX-inspired, dual kernel architecture open-source operating system just targeting RISC-V.

The integrity subsystem changes merged last week for the Linux 7.2 kernel include support now for IMA and EVM post-quantum ML-DSA signature support.

Last week the main set of sched_ext changes were merged for Linux 7.2 that included continued work on sub-scheduler support. While Linus Torvalds didn't object to any of the features being worked on for this extensible scheduler framework that relies on user-space BPF programs, he was frustrated by the layout of the new C source files and remarked, "please don't do this disgusting thing...proper hierarchical filesystems have been available since 1965."

System76 today released COSMIC Epoch 1.1 as the newest feature release as well as being their first time bumping the minor version number since the December release of COSMIC 1.0.

The 46-year-old BASIC09 programming language has new compiler support with a front-end having been developed for the LLVM compiler stack. BASIC09 was developed in 1980 for the Motorola 6809 CPU running with the OS-9 operating system. With this LLVM compiler front-end, you can write BASIC09 code for modern software and hardware.

While the Linux 7.2 merge window doesn't wrap up until this weekend as the feature cut-off for new material, I have already begun some early benchmarks of the code currently staged for this next version of the Linux kernel. Linux 7.2 already was looking quite exciting with cache aware scheduling and other exciting new features while an unexpected surprise in my early testing this week was seeing some local network/socket performance improvements.

Over the years while working at Red Hat, Hans de Goede was known for driving many wonderful Linux laptop improvements benefiting AMD/Intel x86_64 hardware. Hans left Red Hat last year and ended up joining Qualcomm to advance their open-source/Linux support. Today he is out with a significant new patch series for consideration that has the potential of significantly improving the Qualcomm Snapdragon X Series laptop Linux support and also important indicators for better Snapdragon laptop support on Linux moving forward.

For those that happen to still be running a 22+ year old Apple Power Mac such as those from 2004 with an IBM PowerPC processor and ATI Radeon 9600 XT or 9800 XT graphics, there are open-source driver improvements for Linux still happening in 2026 to benefit this vintage hardware.

The EROFS open-source read-only file-system has some nice enhancements in place for the

While the Fwupd 2.1 series is the latest stable channel for this open-source firmware updating solution, Fwupd 2.0.21 was released today to backport fixes for more than 250 potential security issues recently uncovered in the codebase.

The Linux 8250 serial driver as the universal/legacy driver for 8250 and 16550 type serial ports has been seeing some modernization work recently with a number of 8250 serial patches having now been merged for the Linux 7.2 kernel.

A seemingly new generation of Hygon x86 processors are on the way with the GNU Compiler Collection (GCC) seeing support today for the Hygon Model 8 "Suzhou" c86-4g-m8 processors.

Along with the many x86/x86_64 improvements and some ARM64 architecture improvements (albeit slowed down by the AI/LLM noise affecting the development pace), the RISC-V architecture changes were merged last week for the ongoing Linux 7.2 kernel development.

23 June 05:45 AM EDT - KDE - Plasma 6.7.1

Following last week's major Plasma 6.7 release, Plasma 6.7.1 is now available today with an initial assortment of bug fixes.

As part of today's USB/Thunderbolt subsystem updates for the ongoing Linux 7.2 kernel merge window, USB4STREAM was merged as a nifty and exciting addition to opening up some interesting USB4 connnectivity use-cases for high speed, low latency data transfers.

22 June 02:45 PM EDT - Intel - Intel Optimization Zone 1.1

Back in March Intel announced the Optimization Zone as a new initiative for helping server administrators and developers better maximize the performance of different workloads running on Intel hardware. Out today is the Intel Optimization Zone 1.1 release with more workloads now covered for squeezing out the most performance on Intel CPUs.

Valve today finally revealed pricing on their SteamOS Linux-powered Steam Machine living room PC. Given the ongoing RAM and storage pricing pressure, the Steam Machine pricing comes in at the high-end.

Over the past half-year, Xfwl4 has been developed as a Wayland compositor for the Xfce desktop environment. Released this weekend was the first preview release of Xfwl4 in alpha form.

It's been 14 years already since Microsoft announced the Surface RT hybrid tablet as their first-generation Surface device for going up against the Apple iPad. All these years later, this NVIDIA Tegra 3 powered device is finally seeing a mainline Linux kernel driver for supporting battery and charger status.

Back in March AMD introduced ROCDXG to improve their Windows Subsystem for Linux support. This improved Windows Subsystem for Linux "WSL" support with the ROCm compute stack is a cleaneer architecture, open-source compared to their legacy WSL code having closed bits, and more robust handling. Today they issued a new ROCDXG library release to further enhance their WSL support.

Miracle-WM 0.10 released on Sunday as the newest feature release for this Mir-based Wayland compositor. With this new release is also acknowledgement they are hoping to cross the "1.0" milestone later in the year.

22 June 06:33 AM EDT - Mesa - Ray-Tracing Inspector

Merged today to Mesa 26.1 is the Ray-Tracing Inspector "RTI" as a new GUI created by developers on Valve's open-source Linux graphics team. The Ray-Tracing Inspector is designed to help in analyzing and optimizing the Vulkan ray-tracing performance as part of their continued work on further bettering the Radeon RADV RT performance for Steam Play / Linux gaming.

The HID subsystem updates have landed in the Linux 7.2 kernel with some treats that will excite Linux gamers and other desktop users.

Merged last week for the Linux 7.2 kernel were all of the sched_ext changes for this extensible scheduler support that allows loading BPF programs from user-space for handling scheduling tasks. Linux 7.2 continues building out sched_ext's sub-scheduler support.