Phoronix

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Phoronix: news regarding free and open-source software



AMD Continues Enhancing AMDGPU/AMDKFD Drivers For Checkpoint/Restore

([AMD] 5 Minutes Ago AMDGPU CRIU)

CRIU is for Checkpoint/Restore in Userspace to be able to freeze a running container or app, preserve its state to disk, and later restore said running workload. A few years ago we saw AMD working on being able to checkpoint/restore running ROCm workloads. As seemingly the first work in a while on the matter by the AMDGPU/AMDKFD kernel drivers, there are some new CRIU elements coming for Linux 6.18.



FFmpeg Integrates Video Encoder For Advanced Professional Video (APV)

([Multimedia] 5 Minutes Ago APV Encoder)

One week ago FFmpeg merged decode support for Samsung's Advanced Professional Video "APV" codec. APV is designed for professional-grade video recording purposes and is a royalty-free video codec geared for prosumers. Now arriving within FFmpeg Git is APV video encode support.



AWS Graviton4 96-Core Performance vs. AMD EPYC & Intel Xeon CPUs

([Processors] 1 Minute Ago)

Last week I published some initial benchmarks of the Amazon/AWS Graviton4 processors now available within the EC2 cloud using the new "R8g" instances. That initial comparison was a 64 vCPU comparison of Graviton4 against AMD EPYC and Intel Xeon 64 vCPU AWS instances. In today's article is a look at the 96-core Graviton4 bare metal performance using the "r8g.metal-24xl" AWS instance type. The Graviton4 r8g.metal-24xl performance was then compared in today's article against various bare metal AMD EPYC, Ampere Altra Max, and Intel Xeon processors in the lab at Phoronix.



Linux 6.18 To Allow Rust And C Code To Use The Same Memory Model

([Linux Kernel] 21 Minutes Ago Rust Atomic Updates)

The latest tranche of Rust code ready to go for the upcoming Linux 6.18 kernel is now ready to go and has been queued into a TIP branch ahead of the merge window.



"Rustmaker" Merged For LibreOffice 26.2 Development As Latest Rust Integration

([LibreOffice] 3 Hours Ago Rust Code Maker)

For fans of open-source projects embracing the Rust programming language, merged for the LibreOffice 26.2 development code for this open-source office suite is "Rustmaker" as a Rust code maker for UNO integration with this open-source office suite.



FreeBSD 15.0 Alpha 2 Released With Builds Now Being Properly Reproducible

([BSD] 6 Hours Ago Reproducible Builds)

The second alpha release of the upcoming FreeBSD 15 is now available for testing ahead of its planned official release in December.



Linux 6.17-rc6 Released With VMSCAPE Mitigation, FLYDIGI APEX 5 Support & Fixes

([Linux Kernel] 14 September 07:15 PM EDT Linux 6.17-rc6)

The newest weekly test release of Linux 6.17 is now available as we work toward the stable kernel release around the end of September.



Intel Loses One Of Its USB4 / Thunderbolt Linux Driver Maintainers

([Intel] 14 September 06:43 AM EDT USB4/Thunderbolt)

It's unfortunate the number of significant Linux engineering losses at Intel this year. Beyond the staffing reductions throughout the company, seeing the loss of Linux engineering talent and many of their open-source contributors outside of kernel space too has been especially hard hitting to see. Intel for years has been very well regarded for their prolific open-source contributions and typically leading early hardware enablement within the Linux kernel, compiler toolchains, and related components. There's another hit to the Intel Linux team with one of their USB4/Thunderbolt maintainers departing the company.



Select Qualcomm X Elite Laptops Seeing IRIS Video Acceleration On Linux

([Hardware] 14 September 06:25 AM EDT X Elite)

Adding to the list of feature caveats around the different Qualcomm Snapdragon X Elite laptops and the varying Linux state is video acceleration support. But patches were posted this week by a Linaro engineer enabling hardware accelerated video playback for two X Elite laptop models.



FLYDIGI APEX 5 Controller Support Landing In Linux 6.17

([Hardware] 14 September 06:32 AM EDT FLYDIGI APEX 5)

The input subsystem fixes for the week were sent out on Saturday ahead of the Linux 6.17-rc6 kernel due out later today. Notable with this batch of "fixes" is enabling support for the high-end FLYDIGI APEX 5 gaming controller.



Samsung Exynos 7870 Seeing New Open-Source Driver Activity For Linux 6.18

([Hardware] 14 September 05:44 AM EDT Exynos 7870)

The Samsung Exynos 7870 Octa SoC released back in 2016 on a 14nm process and powered by eight Arm Cortex-53 cores and a Mali T830 GPU. Finally now for late 2025 there is open-source display driver happenings going mainline for this aging SoC.



Redox OS To Focus More On Wayland, "Redox Server" & Performance Over The Next Year

([Operating Systems] 13 September 08:23 PM EDT Redox OS)

The Rust-based open-source operating system project Redox OS published a blog post today outlining their development priorities for the remainder of 2025 and then onward to 2026.



Linux's New "Sheaves" Per-CPU Caching Layer Showing Massive Wins For AMD Performance

([AMD] 13 September 07:00 AM EDT Sheaves Benchmarks)

Earlier this week I wrote about Sheaves as an opt-in, per-CPU array-based caching layer likely coming for Linux 6.18. The sheaves patches have been queued into the "slab/for-next" Git branch ahead of the Linux 6.18 kernel merge window. Patches posted now by Google are showing the Linux Sheaves code having a massive beneficial impact for large AMD systems.



Wine Staging 10.15 Adds Patch For A Five Year Old Bug, 300 Patches In Total Atop Wine

([WINE] 13 September 05:42 AM EDT Wine-Staging 10.15)

Following yesterday's release of the bi-weekly Wine 10.15 development release, Wine-Staging 10.15 is out with 300 patches atop the upstream Wine codebase.



Cloud Hypervisor Will Block AI Generated Code, Raises x86_64 VM Limit To 8,192 vCPUs

([Virtualization] 13 September 06:23 AM EDT Cloud Hypervisor 48)

Cloud Hypervisor 48.0 is now available for this Intel-started, open-source and Rust-based VMM focused on modern cloud workloads. Cloud Hypervisor continues to tailor to Windows and Linux guests while emphasizing security and cloud-native workloads.



62 Patches Posted For Stripping Classic Initrd Support From The Linux Kernel

([Linux Kernel] 13 September 06:12 AM EDT Classic Initial RAM Disk)

Last month I wrote about initrd support potentially being on its way out of the Linux kernel. For years Linux developers have wanted to phase out the classic initial RAM disk support from the Linux kernel and it looks like that day may finally be near with patches having been posted for removing the support.



libadwaita 1.8 Released Ahead Of GNOME 49

([GNOME] 13 September 05:55 AM EDT libadwaita-1.8)

Ahead of the GNOME 49 stable release expected on Wednesday, libadwaita 1.8 released this week to incorporate all the enhancements made over the past six months to this GTK4 library that provides GNOME-specific widgets and features.



Intel Loses Another Prominent Linux Engineer - Now Going To NVIDIA

([Intel] 12 September 08:18 PM EDT Colin King)

In the past few months at Intel between layoffs / corporate reorganizations and some deciding to pursue job opportunities elsewhere, there have been unfortunate impacts to their Linux engineering resources. Intel over the summer lost some prominent Linux engineering talent and in turn has even led to upstream Linux drivers being orphaned along with other driver maintainers departing and various other staffing changes. Unfortunate for Intel, another notable Linux name has left the company.



Wine 10.15 Released With Initial NTSYNC Bits, Unicode 17.0 Support

([WINE] 12 September 04:06 PM EDT Wine 10.15)

Wine 10.15 is out today as the newest bi-weekly development release of this open-source software for running Windows games and applications on Linux as well as powering Valve's Proton for Steam Play.



Intel i915 vs. Xe Graphics Driver Benchmarks For Meteor Lake: Extra Performance In 2025

([Display Drivers] 12 September 10:35 AM EDT 13 Comments)

Last month I provided a fresh look at the Intel Arc A-Series graphics between the i915 and Xe kernel graphics drivers for Linux systems. The aging i915 driver is the default for the Alchemist GPUs but there is "experimental" support with the modern Xe kernel graphics driver. There were some performance advantages for the Arc A-Series if switching over to that newer driver option. Similarly, there are advantages with Meteor Lake too when moving from the i915 to Xe Linux drivers. Here are benchmarks to quantify that advantage.



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of zeal, well-meaning but without understanding.
-- Justice Louis D. Brandeis