Phoronix

Cairo 1.17.8 was released this week as a new development snapshot of this 2D vector graphics library that over the years has seen widespread use by a multitude of desktop software...

Following last week's article about Linux developers eyeing a new "DOITM" security mitigation for latest Intel CPUs based on guidance from Intel around Data Operand Independent Timing (DOIT) instructions and then it coming to light that the DOIT mode shouldn't always be on, a lengthier statement from one of Intel's Linux engineers has been published summing up the current beliefs and Linux kernel possibilities around DOIT(M)...

A number of patches were merged this week to Mesa 23.1 around the Asahi "AGX" Gallium3D driver that continues progressing on open-source OpenGL support for Apple Silicon M1/M2 graphics...

Just prior to Christmas there was a "request for comments" (RFC) patch series sent out working on RDNA3 user-mode queue support for their AMDGPU kernel driver. That work has now advanced post-RFC with an updated patch series having been sent out on Friday...

NVIDIA on Friday released the v525.47.07 Linux driver beta with their latest Vulkan driver enhancements along with the NVIDIA 528.50 driver on the Windows side...

Back in 2020 Mozilla moved Servo to the Linux Foundation for the Rust-written web engine after it laid off the Servo developers. Servo development is now community/volunteer-driven and a road-map was published yesterday outlining some of their hopes for this calendar year...

KDE Plasma 5.27 is due for release on Valentine's Day (14 February) as what will also be the last feature release in the Plasma 5 series. With the imminent 5.27 release, more feature work on Plasma 6.0 has been getting underway...

Last October marked the release of memtest86+ 6.0 as the first major update to this bootable, open-source RAM testing software in nearly a decade. The memtest86+ 6.0 release marked a rewrite of the software while out today is the first update to that widely-used RAM testing software...

Valve has just published Proton 7.0-6 as the newest version of this Wine-based software that powers Steam Play for running Windows games on Linux. Proton 7.0-6 had been available in testing and release candidate form since the end of last year while now has been promoted to stable...

Intel engineers this week published new Linux open-source driver code for TPMI, the Topology Aware Register and PM Capsule Interface. Intel TPMI for seemingly future processors will allow for more streamlined power management handling and other enhancements over the way the Intel power management drivers currently function...

As part of other ongoing performance tests of Intel 4th Gen Xeon Scalable "Sapphire Rapids" testing, I was curious to see how the more well-tuned Linux distributions are performing with the flagship Xeon Platinum 8490H processors relative to the common Ubuntu 22.04 LTS release. Here are those benchmark numbers alongside AMD's flagship Genoa server platform with two EPYC 9654 processors.

A proposed Linux kernel patch would provide a new Kconfig build time option of "CONFIG_DEFAULT_CPU_MITIGATIONS_OFF" to build an insecure kernel if wanting to avoid the growing list of CPU security mitigations within the kernel and their associated performance overhead...

For those making use of the new Radeon RX 7900 series "RDNA3" graphics cards on Linux, the open-source Mesa driver code has seen nearly three dozen patches merged yesterday providing a variety of small updates to this support...

The OpenMPI message passing interface library is ready to completely abandon 32-bit software support with its forthcoming v5.0 release...

As mentioned a few weeks back, Red Hat has been working to arrange a developer "hackfest" to further work out plans and development around HDR display support on the Linux desktop. They are aiming to bring together graphics driver developers, desktop developers, and other Linux stakeholders -- including possibly the likes of Valve -- to work out planning of high dynamic range monitor support over the next year or two for the Linux desktop. That Red Hat HDR hackfest has now been organized to happen in late April...

A half-year has passed already since Dbus-Broker 32 was released for this drop-in replacement to the reference D-Bus implementation that is focused on providing better performance and reliability. Today that's been succeeded by Dbus-Broker 33 as a relatively minor update to this software from the BUS1 project...

Following the release of Wine 8.0 stable from a week and a half ago, Wine 8.1 is out today as the first bi-weekly development snapshot for this open-source software that allows running Windows games and applications on Linux, macOS, and other platforms. These Wine 8.x development snapshots will then culminate with the release of Wine 9.0 next year...

Originally posted two years ago were Linux kernel patches for bringing up of CPU cores in parallel to speed-up the Linux boot process. With the growing core counts of servers and even high-end desktops / HEDT platforms, this parallel bring-up can lead to significant time savings at boot. The work, unfortunately, stalled but has now been revised...

Following last month's release of systemd 253-rc1 with many new features and changes in tow, out today is a second release candidate and is piling yet more features into this Linux system and service manager...

While there is Rusticl as the first Rust language code within Mesa as a modern OpenCL implementation in Gallium3D, for possible future driver efforts there is some initial exploratory work being done around coming up with bindings to support writing of Vulkan drivers with Rust...

The GNU Debugger "GDB" has landed initial support for being able to debug AMDGPU/ROCm platform code with a preliminary focus on HIP programs...

The RPM package manager code has added support for the x86_64 micro-architecture feature levels that allow for newer baseline targets than conventional x86_64. This support in RPM allows for installing RPMs built for newer feature levels on capable hardware...

The work on the Mesa Radeon Vulkan driver "RADV" around fast-linking with the graphics pipeline library (GPL) extension continues as the Linux graphics driver developers at Valve continue making remarkable progress...

LibreOffice 7.5 released on-schedule this morning as the newest version of this cross-platform, free software office suite to rival Microsoft Office...

Microsoft on Wednesday released CBL-Mariner 2.0.20230126-2.0 as the newest version of this in-house Linux distribution used for a variety of use-cases from within Azure infrastructure over to WSL purposes...

Arm ended out January by publishing an early request for comments (RFC) version of its Confidential Compute Architecture (CCA) support for the Linux kernel so there can be KVM virtualization integration around Arm CCA, a KVM user-space ABI for managing Realms, and Linux guest support for Arm Realms...

While the Mesa 23.0 graphics drivers were aiming for release this week, due to outstanding blocker bugs it has instead resulted in a fourth weekly release candidate...

Valve has just published their Steam Survey results for the month of January. Apple macOS has eaten a tiny bit of marketshare from Windows while on a percentage basis there is no change for Linux...

Google has released a new version of the Go programming language that with today's v1.20 release come a number of notable additions as well as gutting out support for older versions of Microsoft Windows and Apple macOS. Two features alone have me excited about Go 1.20: initial work on CPU architecture feature build flags like for x86_64 micro-architecture feature level handling and initial support for Profile Guided Optimizations (PGO) builds...

Last week I wrote about Linux developers evaluating a new "DOITM" security mitigation for the latest Intel CPUs. While the cost for now of engaging the Data Operand Independent Timing Mode (DOITM) functionality is minimal, following internal Intel engineering discussions it looks like the Linux kernel patches will need to be re-worked with this functionality not intended to always be enabled...

Now that we are into February with AMD previously announced the month for learning more about their new Zen 4 processors with 3D V-Cache, this morning they revealed the firm availability dates and pricing...

As scheduled, version 2.37 of the GNU C Library "glibc" was released this morning...

Intel this week held a presentation to talk up the progress they've made on their (Windows) graphics driver since launch for Arc Graphics where for many games there are double digit performance improvements to enjoy with the budget-friendly Arc Graphics A750 and A770 graphics cards...

The last batch of drm-intel-gt-next changes have been sent in to DRM-Next ahead of next month's Linux 6.3 merge window. Notable with this week's changes are more low-level code improvements in preparation for future Intel graphics hardware platforms...

Now that Intel 4th Gen Xeon Scalable "Sapphire Rapids" shipped and the initial Linux support is all aligned, recently there has been an uptick in activity around Emerald Rapids and even Granite Rapids as its successor along with the Sierra Forest support. On the EMR front, the latest Linux driver activity is extending the In-Field Scan (IFS) driver for additional testing capabilities...

An optimization to Mesa's shader database cache eviction handling has been merged to Mesa 23.1 with a focus on benefiting Steam's shader pre-caching...

During the course of this month on Phoronix were 224 original news articles pertaining to Linux / open-source / hardware and another 21 multi-page featured articles and Linux hardware reviews...

One of the new features introduced with Linux 6.2 is Call Depth Tracking and it can help extend the useful service life of Intel Skylake through Coffeelake era processors in providing better performance than is otherwise found out-of-the-box on Linux.

In addition to new hardware from Colorado-based Linux laptop/desktop retailer System76, this year we can look forward to more work on their COSMIC desktop environment being developed as part of their Pop!_OS Linux distribution. Already for kicking off 2023 they have made a number of strides in their COSMIC DE development...

While JPEG-XL image support has been available opt-in within Firefox Nightly builds for testing, Mozilla has finally weighed in on the JPEG-XL debate and has come out "neutral" on the matter for this modern raster image file format...

A new patch series published this week by AMD engineers is preparing Linux kernel support for Secure TSC, a feature found with SEV-SNP enabled processors since the EPYC 7003 "Milan" series...

The MSM Direct Rendering Manager (DRM) driver that was started originally as part of the Freedreno effort for open-source, reverse-engineered graphics driver support for Qualcomm Adreno graphics continues flourishing. A number of MSM driver additions -- including new Qualcomm platform support -- is ready to go with the upcoming Linux 6.3 kernel...

AMDVLK 2023.Q1.1 is out today as the first update to this official open-source AMD Vulkan Linux driver for 2023. Given the month and a half since the prior update, this AMDVLK update is rather significant with all of its changes...

As a new hardware feature for Intel IoT and server platforms not previously announced at large, Intel Timed I/O is being worked on in a new open-source Linux kernel driver...

A set of 24 Linux kernel patches today wire up the basic ACPI infrastructure support for the RISC-V processor architecture...

The Khronos Group with LunarG has now published the Vulkan SDK 1.3.239 release that is the first version of the software development kit with the Vulkan Video extensions now present...

With recent NVIDIA's proprietary driver updates continuing to refine their Wayland support, the open-source AMDGPU Linux graphics drivers continuing to be enhanced, and work on the GNOME desktop with Mutter compositor continuing to advance, today's benchmarking article is looking at how the GNOME session under X.Org and Wayland for (X)Wayland is performing across various Linux games. It's been a while since I last ran a X.Org vs. (X)Wayland Linux gaming comparison so today's article is a fresh look from Ubuntu 22.10 while moving to the very latest graphics drivers and newest Steam Play Experimental state.

Code merged last week to Mesa 23.1 by AMD ensures that a linear copy buffer is made on the display/scanout GPU when dealing with EGL contexts under Wayland or X11. This follows an optimization made last year to Mesa's GLX code within X.Org environments for enhancing the PRIME/multi-GPU support...

Merged on Sunday prior to tagging Linux 6.2-rc6 is a late "fix" for the AMD Secure Encrypted Virtualization Secure Nested Paging (SEV-SNP) code to avoid possible situations of undefined behavior with difficult to debug issues where a modern Linux host with SEV-SNP may try booting a Linux virtual machine with an outdated kernel...

Last week the Fedora Engineering and Steering Committee (FESCo) signed off on Fedora 38 shipping with its planned bleeding-edge compiler toolchain, most notably including the upcoming GCC 13 compiler...