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systemd Rolling Out "run0" As sudo Alternative Written by Michael Larabel in systemd on 30 April 2024 at 06:14 AM EDT. 193 Comments Overnight systemd lead developer Lennart Poettering wrote on Mastodon around systemd's newest effort: run0 as a sudo-like command. Coming for systemd 256 is "run0" as a sudo clone. Due to long-standing issues with sudo, Lennart wrote of run0: There's a new tool in sys

Linux 6.9 Deprecates The EXT2 File-System Driver Written by Michael Larabel in Linux Storage on 26 March 2024 at 09:20 AM EDT. 49 Comments While Linux 6.9 brings many great changes and new features / hardware support, on the deprecation side it's deprecating the classic EXT2 file-system driver. The EXT2 file-system has been around for thirty years, it's been over two decades since EXT3 and a decad

HDMI Forum Rejects Open-Source HDMI 2.1 Driver Support Sought By AMD Written by Michael Larabel in Radeon on 28 February 2024 at 03:37 PM EST. 269 Comments One of the limitations of AMD's open-source Linux graphics driver has been the inability to implement HDMI 2.1+ functionality on the basis of legal requirements by the HDMI Forum. AMD engineers had been working to come up with a solution in con

Core NGINX Developer Forks Web Server Into Freenginx Written by Michael Larabel in Free Software on 14 February 2024 at 02:54 PM EST. 57 Comments Maxim Dounin as one of the longtime core developers of the Nginx web server announced the creation today of a new fork of the project called Freenginx. Maxim Dounin decided to fork Nginx follow a disagreement with F5, the organization that acquired the N

AMD Quietly Funded A Drop-In CUDA Implementation Built On ROCm: It's Now Open-Source Written by Michael Larabel in Display Drivers on 12 February 2024 at 09:00 AM EST. Page 1 of 4. 154 Comments. While there have been efforts by AMD over the years to make it easier to port codebases targeting NVIDIA's CUDA API to run atop HIP/ROCm, it still requires work on the part of developers. The tooling has i

LLVM/Clang Can Work Fine As A GCC Replacement For Linux Distributions Written by Michael Larabel in LLVM on 5 February 2024 at 06:57 AM EST. 43 Comments While the performance of LLVM/Clang is on-par with GCC these days on both x86_64 and AArch64 and the C/C++ support is very robust compared to many years ago, most Linux distributions continue using the GCC compiler and GNU toolchain by default. Op

BFQ I/O Scheduler For Linux Sees Big Scalability Improvement Written by Michael Larabel in Linux Storage on 21 January 2024 at 09:33 AM EST. 27 Comments Following the work on enhancing the scalability of the MQ-Deadline I/O scheduler, Linux storage expert Jens Axboe has applied similar scalability improvements to the BFQ I/O scheduler. Similar to the scalability work on MQ-Deadline, Jens Axboe has

SQLite 3.45 Released With JSON Functions Adapted To Use JSONB Written by Michael Larabel in Programming on 15 January 2024 at 03:05 PM EST. 6 Comments SQLite 3.45 was released today with the SQLITE_DIRECT_OVERFLOW_READ optimization being enabled by default that can help for apps relying on SQLite and doing a lot of reads of large BLOBs or strings deliver better read performance. There are also que

A Fix For The Severe Linux Performance Regression Spotted By Torvalds Written by Michael Larabel in Linux Kernel on 14 January 2024 at 03:47 PM EST. 57 Comments Prior to Linus Torvalds' Internet and electricity being knocked out by a snow storm and thus impacting the Linux 6.8 merge window, his weekend was already in rough shape due to encountering a performance regression with new Linux 6.8 code

Linux 6.8 Network Optimizations Can Boost TCP Performance For Many Concurrent Connections By ~40% Written by Michael Larabel in Linux Networking on 9 January 2024 at 02:23 PM EST. 76 Comments Beyond the usual new wired/wireless network hardware support and the other routine churn in the big Linux networking subsystem, the Linux 6.8 kernel is bringing some key improvements to the core networking co

Linux 5.6 To Make Use Of Intel Ice Lake's Fast Short REP MOV For Faster memmove() Written by Michael Larabel in Intel on 8 January 2020 at 06:34 PM EST. 6 Comments While Intel has offered good Ice Lake support since before the CPUs were shipping (sans taking a bit longer for the Thunderbolt support as a key lone exception, since resolved), a feature that's been publicly known since 2017 is the Fas

AMD Open-Source GPU Kernel Driver Above 5 Million Lines, Entire Linux Kernel At 34.8 Million Written by Michael Larabel in Radeon on 31 August 2023 at 11:13 AM EDT. 98 Comments With the in-development Linux 6.6 kernel adding support for more upcoming Radeon graphics processors, that means more auto-generated header files for the new IP blocks... I was curious to see the overall size now of the AMD

Intel Details APX - Advanced Performance Extensions Written by Michael Larabel in Intel on 24 July 2023 at 04:25 PM EDT. 67 Comments Following Advanced Vector Extensions (AVX) and more recently Advanced Matrix Extensions (AMX) for furthering the x86_64 CPU compute potential, Intel has now published initial details on APX: Advanced Performance Extensions. Intel's Advanced Performance Extensions are

Intel Publishes "X86-S" Specification For 64-bit Only Architecture Written by Michael Larabel in Intel on 20 May 2023 at 06:30 AM EDT. 209 Comments Intel quietly released a new whitepaper and specification for their proposal on "X86-S" as a 64-bit only x86 architecture. If their plans workout, in the years ahead we could see a revised 64-bit only x86 architecture. Entitled "Envisioning a Simplifie

SELinux In Linux 6.4 Removes Run-Time Disabling Support Written by Michael Larabel in Linux Security on 24 April 2023 at 08:30 AM EDT. 23 Comments After being deprecated for several years, Security Enhanced Linux "SELinux" beginning with the Linux 6.4 kernel can no longer be run-time disabled. For a while now SELinux deprecated run-time disabling for turning off SELinux via its config file or sysf

ipmitool Repository Archived, Developer Suspended By GitHub Written by Michael Larabel in Free Software on 13 March 2023 at 11:30 AM EDT. 64 Comments The ipmitool utility on Linux systems is widely-used for controlling IPMI-enabled servers and other systems. This tool for interacting with the Intelligent Platform Management Interface (IPMI) is extremely common with server administrators while now

Ubuntu Announces Official Support For The PolarFire SoC FPGA Icicle Kit RISC-V Board Written by Michael Larabel in Ubuntu on 8 March 2023 at 10:45 AM EST. 5 Comments Following work bringing Ubuntu Linux to the RISC-V boards like the StarFive VisionFive 2, LicheeRV, Nezha, and others, Canonical today announced they have published an optimized RISC-V image for the Microchip PolarFire SoC FPGA powere

Linus Torvalds' Advice On Git Merges: "If you cannot explain a merge, then JUST DON'T DO IT" Written by Michael Larabel in Linux Kernel on 21 February 2023 at 03:00 PM EST. 71 Comments The Linux 6.3 merge window has been off to a good start with Linus Torvalds receiving plenty of pull requests in advance, the other early pulls all coming in quite orderly, and no colorful commentary on any of the m

Linux 6.2 Released With Intel Arc Graphics Promoted, Open-Source NVIDIA RTX 30 Written by Michael Larabel in Linux Kernel on 19 February 2023 at 05:45 PM EST. 22 Comments Linus Torvalds just released the Linux 6.2 kernel as stable and marks the first major kernel release of 2023. Linux 6.2 succeeds Linux 6.1 as the 2022 LTS kernel that will be maintained until at least the end of 2026. Expect many

Intel Publishes Blazing Fast AVX-512 Sorting Library, Numpy Switching To It For 10~17x Faster Sorts Written by Michael Larabel in Intel on 15 February 2023 at 04:00 PM EST. 51 Comments Intel recently published an open-source C++ header file library for high performance SIMD-based sorting, which initially is focused on providing a lightning fast AVX-512 quicksort implementation. As of today that co

A Non-GNU Linux Distribution Built With LLVM & BSD Software Aims For Alpha Next Month Written by Michael Larabel in Operating Systems on 6 February 2023 at 06:25 AM EST. 88 Comments In development now for nearly two years is Chimera Linux as a "non-GNU" Linux distribution built with the LLVM Clang compiler, leveraging musl libc, and commonly relying on BSD user-space software components. After a l

The Rust Implementation Of GNU Coreutils Is Becoming Remarkably Robust Written by Michael Larabel in Programming on 8 February 2023 at 11:00 AM EST. 102 Comments Coming about over the past two years has been uutils as a re-implementation of GNU Coreutils written within the Rust programming language. This Rust-based version of cp, mv, and other core utilities is reaching closer to parity with the w

Linux 6.1 Officially Promoted To Being An LTS Kernel Written by Michael Larabel in Linux Kernel on 7 February 2023 at 03:30 PM EST. 29 Comments Linux 6.1 was widely anticipated to be a Long-Term Support (LTS) kernel with normally the last major release series for the calendar year normally promoted to LTS status. Greg Kroah-Hartman as the Linux stable maintainer went ahead today and formally recog

CentOS Stream & Clear Linux Achieve Greater Performance On 4th Gen Xeon Scalable Sapphire Rapids, EPYC Genoa Written by Michael Larabel in Operating Systems on 3 February 2023 at 08:48 AM EST. Page 1 of 6. 9 Comments. As part of other ongoing performance tests of Intel 4th Gen Xeon Scalable "Sapphire Rapids" testing, I was curious to see how the more well-tuned Linux distributions are performing w

Intel Xeon Platinum 8490H "Sapphire Rapids" Performance Benchmarks Written by Michael Larabel in Processors on 10 January 2023 at 01:00 PM EST. Page 1 of 14. 41 Comments. Now that the 4th Gen Xeon Scalable "Sapphire Rapids" and Xeon CPU Max Series overview is out of the way, you are probably very eager to see some independent performance benchmarks of the much anticipated Sapphire Rapids CPUs that