
Linux Hardware Reviews, Performance Benchmarks & Open-Source / Free Software News
Updated: 1 hour 38 min ago
The Linux Kernel Seeing Backport Progress Finally For The "$1.5 Million Dollar Bug"
Several weeks ago we wrote about a kernel fix for Linux 5.4 to address performance issues for highly-threaded Linux software running under CFS quotas. The fix can yield up to a 30x improvement in performance and one company estimated the impact of the bug cost them at least $1.5 million USD in extra resources/hardware. But now it looks like it will soon appear in a Linux 5.3 point release and possible back-ports to earlier kernels...
Libcamera Is Becoming An Increasingly Viable Open-Source Camera Support Implementation
With more cameras moving their image processing operations from micro-controllers to the CPU to save on manufacturing, libcamera was started last year to serve as an open-source camera support library across Linux / Android / ChromeOS for supporting these modern cameras...
ZFS/Zsys Improvements Are Already Underway For Ubuntu 20.04 LTS
While Ubuntu 19.10 just shipped two weeks ago with its initial desktop install support to a root ZFS file-system option, feature work is already happening of ZFS changes destined for Ubuntu 20.04 LTS and Ubuntu's Zsys daemon being built around ZFS' advanced feature set...
Netflix Optimized FreeBSD's Network Stack More Than Doubled AMD EPYC Performance
Drew Gallatin of Netflix presented at the recent EuroBSDcon 2019 conference in Norway on the company's network stack optimizations to FreeBSD. Netflix was working on being able to deliver 200Gb/s network performance for video streaming out of Intel Xeon and AMD EPYC servers, to which they are now at 190Gb/s+ and in the process that doubled the potential of EPYC Naples/Rome servers and also very hefty upgrades too for Intel...
DXVK Lead Developer Philip Rebohle Has Begun Contributing More To Wine's VKD3D
With DXVK in remarkably good standing for translating Direct3D 10/11 to Vulkan for use by Steam Play (Proton) and Wine, Philip Rebohle who started that project is now contributing more to Wine's VKD3D initiative for mapping Direct3D 12 on Vulkan...
GNU Toolchain Moves Ahead In Obsoleting Solaris 10 Support
Beyond GCC 9 having deprecated Solaris 10 support and that code now removed ahead of the GCC 10 release in a few months, the GNU Debugger (GDB) is also moving forward with its plan to obsolete Solaris 10...
FreeBSD 12.1 Released With LLD Linker On i386 By Default, Now Shipping Libomp
FreeBSD 12.1 has released on-time as the first incremental update to last year's FreeBSD 12...
NVIDIA GeForce GTX 1660 SUPER Linux Gaming Performance
Last week NVIDIA announced the GeForce GTX 1660 SUPER as their newest Turing "SUPER" graphics card coming in at $229+ USD and delivering around 1.5x faster performance than the GeForce GTX 1060. For those wondering about the Linux gaming performance potential for this graphics card, here are our initial tests of this new graphics card using the EVGA GeForce GTX 1660 SUPER.
NVIDIA 440.31 Linux Driver Adds HDMI 2.1 VRR Support, VP9 Decode, DXVK Fixes
NVIDIA has rolled out the 440.31 Linux driver today as their first stable update in this new driver branch...
Running Ice Lake Out In The Cold - Intel Core i7-1065G7
For looking at any difference in thermal throttling and peak frequencies, I ran the Dell XPS with Intel Core i7-1065G7 "Ice Lake" processor out in a cold garage overnight compared to normal operating temperatures inside across dozens of benchmarks...
Intel Updates Speed Select Tool For Linux Ahead Of 5.5 Kernel Cycle
With the Linux 5.3 kernel release this summer Intel enabled Speed Select Technology under Linux for this feature found on new Cascade Lake processors. The SST Linux tool has now seen some updated patches ahead of the forthcoming Linux 5.5 cycle...
GNOME Mutter Adds Intermediate ShadowFB For Faster Software Rendering
Landing in GNOME's Mutter tree today is a change for GNOME 3.36 improving the effectiveness of running the GNOME Shell desktop with a software renderer like LLVMpipe...
Vulkan 1.1.127 Released With Separate Depth Stencil Layout Extension
Vulkan 1.1.127 is out this morning as the latest routine update to the specification for this high-performance graphics API...
Darktable 3.0 Approaching With Many New Features
The popular Darktable open-source RAW photography workflow software is closing in on its v3.0 release with the first release candidate having been issued on Sunday...
Canonical Working To Ramp Up Ubuntu Support For The Raspberry Pi 4
With the recently released Ubuntu 19.10 there is initial support for the Raspberry Pi 4 single-board computers sans the highest-tier 4GB version that embarrassingly suffers from USB ports not working with the current Ubuntu 19.10 build. Fortunately, Canonical is working to address that issue with the RPi4 4GB version as well as making other Raspberry Pi support improvements...
Linux 5.4-rc6 Released With Network Changes Ticking High
Linus Torvalds has released Linux 5.4-rc6 back on schedule after his travels this past week around the Linux Foundation events in Lyon, France...
Bootlin's Best Techniques For A Smaller Kernel + Faster Boot Times
In addition to a talk at the Embedded Linux Conference Europe on trimming the Linux boot time with systemd changes, Michael Opdenacker of embedded Linux engineering firm Bootlin presented on their techniques for not only speeding up the Linux boot time but also reductions in the kernel image size...
NetworkManager 1.21.3 Is Another Step Towards NM 1.22
NetworkManager 1.21.3 is the network management project's latest development release in the path towards the upcoming NetworkManager 1.22...
Outreachy Developers Have Been Making Some Useful Contributions To The Linux Kernel
This past week at the Open Source Summit Europe in France there were several past Outreachy interns that shared their work on contributing to the Linux kernel and related open-source projects. Several of these projects have resulted in useful additions to the Linux kernel...
Linux 5.5 Kernel Livepatching To Allow Tracking System State
It's been a while since last having any new features to report on in regards to the Linux kernel's livepatching infrastructure for applying kernel updates without system reboots. With the Linux 5.5 there is a big addition to livepatching and that is support for tracking the system state changes...