Phoronix

Intel engineers have posted the initial Linux kernel patches providing AVX-512 optimized versions of common crypto algorithms. The AVX-512 optimized versions do pan out and promise to offer huge speed-ups but are disabled by default at this stage over the negative CPU frequency/performance impact that running AVX-512 can have on CPU cores / shared threads...

Back in September Arm began talking about their "2020 extensions" for the A-profile architecture. Initial support for these new additions as ARMv8.7-A is beginning to land in the LLVM compiler stack...

Over the past nearly two months we have been running a lot of Linux benchmarks on the AMD Ryzen 5000 series, but what about the BSD operating systems with these Zen 3 desktop CPUs? Recently I got around to trying out a few of the BSDs on a Ryzen 9 5900X desktop as well as running some FreeBSD 12.2 vs. Ubuntu Linux benchmarks, including with Linux on OpenZFS and Clang.

For those running PostgreSQL database servers (and potentially similar workloads) on AMD EPYC servers, Linux 5.11 is bringing a very nice Christmas gift in the form of better performance for at least some 2P server configurations...

While the Linux 5.11 merge window is only half-way through with prominent pull requests like the DRM / graphics driver updates already have been merged some of the testing has already begun at Phoronix of this new kernel. With the Radeon RX 6800 XT "RDNA 2" graphics continuing to mature, we are seeing slight uplift in some benchmarks when moving from Linux 5.10 stable to Linux 5.11 Git...

As expected, the Wayland 1.19 release dance has begun...

The Fedora Project is the latest open-source software project working to migrate their Git repositories off using the existing default branch name of "master" and instead using "main" but for some repositories will be "rawhide" where it better aligns with the usage in Fedora Rawhide packages to their development development...

Lavapipe (nee Vallium) continues picking up more functionality for this software-based Vulkan implementation just as LLVMpipe is to OpenGL...

Arcan, the rather unique and innovative display server in development for about five years, is now matching or even surpassing the feature parity with the X.Org Server and have also issued a new release of their "Durden" desktop environment build atop Arcan...

The main feature change for the XFS driver code in Linux 5.11 is adding a new "needs repair" feature flag. When the XFS code marks a file-system as needing repair, it will refuse to mount until the xfs_repair operation is run on it...

Revealed earlier this year was the Arm Straight Line Speculation (SLS) vulnerability. SLS was a Google discovery for modern ARMv8 CPUs where speculative execution past unconditional changes in control flow could lead to information disclosure via side-channel analysis. Arm recommended compiler-based mitigations to insert speculation barriers after vulnerable instructions, which GCC and LLVM began adding opt-in protections right away. This weekend some additional SLS functionality was added for LLVM...

Building off Friday's release of Wine 6.0-RC3 is now an updated Wine-Staging build for those that want a more experimental/testing blend of Wine...

The KVM (Kernel-based Virtual Machine) changes were sent in today for the Linux 5.11 cycle...

It looks like Mozilla Firefox very soon will be enabling support for AVIF as the image format based on AV1 video coding...

After undergoing review the past several months, Intel's Platform Monitoring Technology (PMT) is merged with the Linux 5.11 kernel...

The pandemic isn't slowing down work on GNOME 40... In addition to this week's release of GTK 4.0, GNOME Shell developers continue progressing on some visible improvements slated for this 2021 desktop update...

Intel released a new version of their SPMD Program Compiler (ISPC) this weekend that brings new improvements for this compiler that supports a variant of C focused on single-program, multiple-data programming for Intel's CPU and GPU targets...

Announced back in 2018 by the MIPI Alliance was the I3C Host Controller Interface (HCI) 1.0 specification whereby a common I3C HCI driver could support a range of multi-vendor sensors and other components relying on I3C...

Taking many by surprise was the news last week of CentOS 8 being EOL'ed next year as what has been a popular downstream of Red Hat Entrprise Linux that is free of charge and often adapted for use within large organizations. Instead, IBM-owned Red Hat is looking to position CentOS "Stream" in front of RHEL as its upstream. That still isn't sitting over well for many and today is a new post on the CentOS Blog...

This first week of the Linux 5.11 merge window continues to be very active with many of the kernel maintainers looking to land their changes ahead of the Christmas week where they are often taking time off work...