Fedora 37 Proposing To Allow Unrestricted Access To Flathub
Fedora 37 Proposing To Allow Unrestricted Access To Flathub
65 Minutes Ago - Fedora - Unfiltered Access - Add A Comment

To this point Fedora out-of-the-box has been restricted to a filtered subset of Flathub packages when enabled via GNOME Software or GNOME Initial Setup. However, legal has now cleared Fedora for allowing unfiltered/unrestricted access to Flathub, allowing a far greater selection of Flatpaks to become available on Fedora Linux with the plan for this to begin with Fedora 37.

Benchmarking The Linux Kernel With An "-O3" Optimized Build
Benchmarking The Linux Kernel With An "-O3" Optimized Build
7 Hours Ago - Software - 47 Comments

Stemming from last weeks Linux kernel patches suggesting an -O3 experimental option for all CPU architectures and Linus Torvalds rather quickly shooting it down, here are some fresh benchmarks looking at the Linux kernel performance when the kernel image is rebuilt with the -O3 optimization level rather than -O2.

Radeon Software For Linux 22.20 Driver Prepared With Ubuntu 22.04 LTS, RHEL 9.0 Support
Radeon Software For Linux 22.20 Driver Prepared With Ubuntu 22.04 LTS, RHEL 9.0 Support
10 Hours Ago - Radeon - Radeon Software for Linux 22.20 - Add A Comment

For consumer Radeon GPUs the "Radeon Software for Linux" packaged driver version has been on the 22.10 series since the end of March. For AMD Radeon PRO professional/workstation graphics the advertised "Radeon Pro Software for Enterprise on Linux" driver is still the 21.Q4 driver from last December. AMD appears to be finally prepping to release the "22.20" packaged driver as the next feature release to this packaged AMD Linux driver stack for those not relying just on the upstream kernel and Mesa.

28 June

Apple M2 Enablement For Linux Begins With Good Progress
Apple M2 Enablement For Linux Begins With Good Progress
28 June 07:45 PM EDT - Apple - Apple M2 On Linux - 2 Comments

Hector Martin who has been leading the Asahi Linux effort for bringing up Linux on Apple Silicon recently received his new 2022 MacBook Pro 13-inch to begin porting Linux to Apple's new M2 SoC. While only started this week, he's already making significant progress. Fortunately, much of the existing M1-written Linux code can work for the M2 but some new drivers will need to be written before the new M2 Macs are fully usable on Linux.

Mesa's RADV Radeon Vulkan Driver Continues Outperforming AMDVLK For RDNA2 Linux Gaming
Mesa's RADV Radeon Vulkan Driver Continues Outperforming AMDVLK For RDNA2 Linux Gaming
28 June 09:00 AM EDT - Linux Gaming - 10 Comments

With last week seeing AMDVLK 2022.Q2.3 released as an update to AMD's official open-source Vulkan Linux driver and it noting performance improvements, it was time for some fresh benchmarks of that driver up against Mesa's alternative "RADV" Vulkan driver. Here are some fresh benchmarks with an AMD RDNA2 GPU for seeing how RADV continues competing -- and usually outperforming -- AMD's own official open-source driver.

Mesa's Lima Gallium3D Driver Lands 4x MSAA Support
28 June 04:59 AM EDT - Mesa - Multi-Sample Anti-Aliasing - 4 Comments

A decade after Luc Verhaegen started the Lima driver effort for reverse-engineering Arm Mali graphics, developers continue occasionally working on improvements to this Gallium3D driver for older generations of Mali hardware. The most recent feature work is finally enabling 4x MSAA support.

27 June

Intel Begins Publishing Habana Labs Gaudi2 Linux Driver Code
Intel Begins Publishing Habana Labs Gaudi2 Linux Driver Code
27 June 06:36 PM EDT - Intel - Gaudi2 - Add A Comment

Last month for their Vision conference, Intel announced the Habana Labs Gaudi2 accelerator. Gaudi2 is the second-generation offering from Intel-owned Habana Labs for training and inference. The open-source Linux kernel driver support for Gaudi2 is now getting underway along with accompanying open-source user-space software stack support.

GCC-Rust Feedback Sought - Possibly Aiming For Upstream In GCC 13
GCC-Rust Feedback Sought - Possibly Aiming For Upstream In GCC 13
27 June 02:10 PM EDT - GNU - GCC-Rust Upstreaming Talk - 44 Comments

The Rust-GCC front-end that allows Rust code to be compiled with the GNU Compiler Collection (GCC) could possibly be upstreamed for next year's GCC 13 compiler release but not necessarily complete at that stage. In any case, it's good seeing progress on Rust-GCC as an alternative to Rust's official LLVM-based compiler.

The Performance Cost To A Proposed Fedora 37 CFLAGS/CXXFLAGS Change
The Performance Cost To A Proposed Fedora 37 CFLAGS/CXXFLAGS Change
27 June 09:30 AM EDT - Software - 44 Comments

Coming about last week was a Fedora 37 change proposal to improve the profiling and debugging of Fedora packages but with possible performance costs. That suggested change is about adding "-fno-omit-frame-pointer" to the default CFLAGS/CXXFLAGS when building packages so the frame pointer is always available for improving the debugging/profiling of the stock Fedora packages. Unfortunately, it can come with significant performance costs as these benchmarks show.

Intel Releases OSPRay Studio v0.11 Visualization / Ray-Tracing App
Intel Releases OSPRay Studio v0.11 Visualization / Ray-Tracing App
27 June 09:30 AM EDT - Intel - OSPRay Studio 0.11 - Add A Comment

One of Intel's many wonderful open-source projects for creators is OSPRay Studio that is their interactive visualization and ray-tracing application built atop their OSPRay portable ray-tracing engine. OSPRay Studio has been making steady progress since its 2020 debut and out today is their newest update.

F2FS File-System Driver Preparing A Low-Memory Mode
27 June 05:12 AM EDT - Linux Storage - F2FS Low Memory Mode - 3 Comments

Google engineers are working on the notion of "memory modes" for the Flash-Friendly File-System (F2FS) with the intent on introducing a "low memory" mode for storage devices that would alter its behavior. Presumably Google is working on this new F2FS feature for low-end Android devices.

26 June

25 June

Open-Source VIA Graphics Driver Hopes To Be Mainlined For Linux 5.20
25 June 06:09 AM EDT - VIA - OpenChrome DRM Driver - 23 Comments

2022 is certainly looking to be interesting on the open-source graphics driver front... You probably didn't have Imagination publishing an open-source PowerVR Vulkan driver on your 2022 bingo card nor NVIDIA working on an open-source GPU kernel driver. The latest 2022 surprise is the OpenChrome driver project is hoping to finally be mainlined in Linux 5.20 for open-source VIA graphics for those still running vintage VIA x86 hardware.

Zstd Compression Being Eyed For Use Within LLVM
25 June 05:35 AM EDT - LLVM - Zstandard - 11 Comments

LLVM developers are eyeing Zstandard "Zstd" use within this compiler stack as a secondary compression method to Zlib. Zstd could be used for compressing ELF debug sections, AST data structures, and other purposes within this open-source compiler stack.

24 June

Linus Torvalds' Latest Commentary Against -O3'ing The Linux Kernel
24 June 02:44 PM EDT - Linux Kernel - Compiler Optimizations - 114 Comments

This shouldn't be too surprising considering some of Linus Torvalds past commentary about compiler optimizations and bad experiences long ago with GCC, but Linus Torvalds is not interested in seeing a tunable Kconfig option for using the -O3 compiler optimization level for building the Linux kernel without substantial justification.

D3Cold-Off Power Savings Being Prepped For Intel's Linux Driver For Arc Graphics
24 June 01:53 PM EDT - Intel - D3Cold-Off For Alchemist - 3 Comments

Intel's open-source Linux graphics driver developers remain very busy preparing the open-source driver stack for Arc Graphics DG2/Alchemist hardware. While much of the base enablement work is complete and now with Linux 5.19 the compute support is even exposed to user-space, one of the areas seeing more work in recent times has been around power management.

Fedora 37 Looks To Ship With Stratis Storage 3.1 Support
24 June 06:16 AM EDT - Fedora - Stratis 3.1 - 19 Comments

While many Red Hat open-source projects end up being relatively instant successes that then end up being widely adopted in the open-source community, Red Hat's Stratis Storage effort seems to be trending as one of the exceptions. Red Hat continues investing in Stratis but it doesn't seem to have the sizable adoption or widespread interest that tends to come with most of their projects. In any event, Fedora 37 later this year should ship with the newest Stratis tech.

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