The New Features & Improvements Of The Linux 5.3 Kernel

The Linux 5.3 kernel merge window is expected to close today so here is our usual recap of all the changes that made it into the mainline tree over the past two weeks. There is a lot of changes to be excited about from Radeon RX 5700 Navi support to various CPU improvements and ongoing performance work to supporting newer Apple MacBook laptops and Intel Speed Select Technology enablement.

27 Minutes Ago - Software - Add A Comment
Feral's GameMode 1.4 Adds Flatpak Support, Better I/O Optimization Handling

Feral developers released a new version of their GameMode Linux game performance optimization daemon/client this weekend in order to allow this update to land in the upcoming Fedora Workstation 31. GameMode 1.4 offers up many features including new interfaces for allowing better GNOME integration and thus the Fedora interest in seeing this version in their autumn Linux distribution update.

5 Hours Ago - Linux Gaming - GameMode 1.4 - 10 Comments
IO_uring Gets A Huge Performance Fix - Up To 755x Improvement

IO_uring is designed to deliver fast and efficient I/O operations thanks to a re-designed interface introduced in Linux 5.1 with various efficiency improvements compared to the kernel's existing asynchronous I/O code. But it turns out there was a big bottleneck within the current IO_uring code up until now.

10 Hours Ago - Linux Storage - IO_uring Performance Fix - 15 Comments

20 July

RadeonSI Gallium3D Driver Adds Navi Wave32 Support

One of the new features to the RDNA architecture with Navi is support for single cycle issue Wave32 execution on SIMD32. Up to now the RadeonSI code was using just Wave64 but now there is support in this AMD open-source Linux OpenGL driver for Wave32.

20 July 07:19 AM EDT - Radeon - Wave Hello To Wave3D For RadeonSI - 28 Comments
The Arm SoC/Platform Changes Finally Sent In For Linux 5.3: Jetson Nano, New SoCs

The Arm SoC/platform changes arrived a bit late to the Linux 5.3 merge window ending this weekend. The Arm SoC/platform changes were only sent in on Friday night but include Librem 5 Developer Kit support in terms of the DeviceTree bits as well as improving the NVIDIA Jetson Nano support and various other SoC/platform additions.

20 July 06:18 AM EDT - Arm - Linux 5.3 Arm SoCs - 20 Comments

19 July

Pango 1.44 Is Coming Thanks To The Revival By GNOME Developers

Back in May there were the plans shared by Red Hat's Matthias Clasen to work out some improvements to the Pango layout engine library after going fairly stale in recent years. That work is coming to fruition with a Pango 1.44 release looking like it will be here soon with new features.

19 July 04:00 PM EDT - GNOME - Pango 1.44 - 10 Comments
The Open-Source NVIDIA "Nouveau" Driver Gets A Batch Of Fixes For Linux 5.3

With last week's big DRM pull request for Linux 5.3 that brought Navi support most notably on the AMD side while Intel received HDR display support, continued Icelake/Gen11 work, and more, there weren't any changes to the open-source NVIDIA "Nouveau" driver. It was another unfortunate cycle of no major improvements for the Nouveau driver but at least sent out today were a set of new "fixes" for this driver that remains crippled on Maxwell GPUs and newer.

19 July 08:38 AM EDT - Nouveau - Nouveau Fixes - 34 Comments
AMDGPU/AMDKFD Queue Up Early Linux 5.3 Fixes For Navi & More

While the Linux 5.3 kernel merge window isn't even over until this weekend when it will kick off with 5.3-rc1 and headlining new features like Radeon RX 5700 series support, AMD has already sent in a batch of AMDGPU/AMDKFD fixes. Making these fixes notable are some early fixes around the new open-source Radeon RX "Navi" support.

19 July 12:00 AM EDT - Radeon - AMD Radeon Fixes - 1 Comment

18 July

Oracle Linux 8.0 Released

In early May right before the release of Red Hat Enterprise Linux 8.0 we saw the public beta of Oracle Linux 8 while today Oracle Linux 8.0 has been promoted to stable and production ready.

18 July 02:36 PM EDT - Oracle - Oracle Linux 8 - 12 Comments
Corsair Force MP600 PCIe 4.0 NVMe SSD Benchmarks On Linux

One of the first PCIe Gen 4 NVMe SSDs to market has been the Corsair Force MP600. AMD included the Corsair MP600 2TB NVMe PCIe4 SSD with their Ryzen 3000 reviewer's kit and for those interested in this speedy solid-state storage here are some benchmarks compared to various other storage devices on Ubuntu Linux.

18 July 11:02 AM EDT - Storage - 34 Comments
Ubuntu's Zsys Client/Daemon For ZFS On Linux Continues Maturing For Eoan

Looking ahead to Ubuntu 19.10 as the cycle before Ubuntu 20.04 LTS, one of the areas exciting us with the work being done by Canonical is (besides the great upstream GNOME performance work) easily comes down to the work they are pursuing on better ZFS On Linux integration with even aiming to offer ZFS as a file-system option from their desktop installer. A big role in their ZoL play is also the new "Zsys" component they have been developing.

18 July 08:26 AM EDT - Ubuntu - Ubuntu 19.10 ZFS - 16 Comments
DragonFlyBSD Pulls In The Radeon Driver Code From Linux 4.4

While the Linux 4.4 kernel is quite old (January 2016), DragonFlyBSD has now re-based its AMD Radeon kernel graphics driver against that release. It is at least a big improvement compared to its Radeon code having been derived previously from Linux 3.19.

18 July 06:17 AM EDT - BSD - DragonFlyBSD + Radeon Linux 4.4 - 20 Comments

17 July

ZFS On Linux Has Figured Out A Way To Restore SIMD Support On Linux 5.0+

Those running ZFS On Linux (ZoL) on post-5.0 (and pre-5.0 supported LTS releases) have seen big performance hits to the ZFS encryption performance in particular. That came due to upstream breaking an interface used by ZFS On Linux and admittedly not caring about ZoL due to it being an out-of-tree user. But now several kernel releases later, a workaround has been devised.

17 July 05:48 PM EDT - Linux Storage - ZFS On Linux - 52 Comments
CompuLab Turns An 8-Core/16-Thread Xeon, 64GB RAM, NVIDIA Quadro RTX 4000 Into Fan-Less Computer

Three years ago we checked out the CompuLab Airtop as a high-performance fanless PC. Back then it was exciting to passively cool an Intel Core i7 5775C, 16GB of RAM, SATA 3.0 SSD, and a GeForce GTX 950 graphics card. But now in 2019 thanks to the continued design improvements by CompuLab and ever advancing tech, their newly-launched CompuLab 3 can accommodate an eight-core / sixteen-thread Xeon CPU, 64GB of RAM, NVMe SSD storage, and a NVIDIA Quadro RTX 4000 graphics card without any fans!

17 July 01:05 PM EDT - Computers - 46 Comments
Clear Linux Could Soon Be Faster Within Containers On AVX2 Systems

While Clear Linux as part of its standard bare metal installations has long defaulted to having an AVX2-optimized GNU C Library installed by default, it turns out that it wasn't part of the default os-core bundle as used by containers. That though is changing and should yield even better out-of-the-box performance when running Clear Linux within containers.

17 July 12:05 AM EDT - Clear Linux - Clear Linux Containers + AVX2 Glibc - 3 Comments

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