Open-source News

Linux 6.19 Scheduler Feature Being Disabled Due To Performance Regressions

Phoronix - 19 hours 46 min ago
Queued into tip/tip.git's "sched/urgent" Git branch today is a patch to disable the kernel scheduler's NEXT_BUDDY functionality that was re-implemented back during the Linux 6.19 merge window. It turns out to cause some performance regressions that have yet to be otherwise addressed...

VVenC H.266 Encoder Rolls Out More ARM Optimizations For Nice Performance Gains

Phoronix - 20 hours 38 min ago
Fraunhofer HHI this week released a new version of VVenC, their open-source H.266 video encoder. Among the changes this release are more performance optimizations for ARM and I have run some comparison benchmarks using a NVIDIA GB10 SoC with the Dell Pro Max GB10...

Vulkan Roadmap 2026 Milestone: Variable Rate Shading, Host Image Copies & More

Phoronix - Fri, 01/23/2026 - 23:12
In addition to the release today of Vulkan 1.4.340 with the new descriptor heap "VK_EXT_descriptor_heap" extension and three other new extensions, The Khronos Group's Vulkan Working Group has also published the Vulkan Roadmap 2026 Milestone...

AMD Ryzen AI Software 1.7 Released For Improved Performance On NPUs, New Model Support

Phoronix - Fri, 01/23/2026 - 22:18
AMD today released a new version of Ryzen AI Software, the user-space packages for Microsoft Windows and Linux for making use of the Ryzen AI NPUs for various AI software tasks like Stable Diffusion, ONNX, and more...

GNU Guix 1.5 Released With RISC-V Support, Experimental x86_64 GNU Hurd Kernel

Phoronix - Fri, 01/23/2026 - 21:54
GNU Guix 1.5 is out today as the latest major release for this platform built around its functional package manager. This is a big upgrade with it having been three years since the GNU Guix 1.4 release...

Linux Lands Fix For Its "Subtly Wrong" Page Fault Handling Code For The Past 5 Years

Phoronix - Fri, 01/23/2026 - 21:11
Merged today for the Linux 6.19 Git kernel and then in turn for back-porting to prior Linux kernel series is making the x86 page fault handling code disable interrupts properly. Since 2020 it turns out the handling was subtly wrong but now corrected by Intel...

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