Svobodný software

Popíšeme si vestavěné funkce nabízené překladačem GCC, které zajišťují výpočet bitových rotací a taktéž výpočet parity. Zajímat nás bude použitá technologie: způsob překladu těchto funkci do strojového kódu.

On this 34th birthday since the Linux kernel was announced, coincidentally there's a new patch series out there for one of the oldest drivers: the floppy disk driver...

Stemming from a request by a Phoronix Premium reader wondering about some fresh historical kernel performance comparison numbers, today's benchmarking is looking at the performance of the LTS and latest stable Linux kernel versions going back to Linux 5.15 LTS in 2021. For testing an AMD EPYC Milan-X server was used for compatibility back through Linux 5.15 LTS with some rather impressive results for testing these major Linux kernel releases of the past four years.

Red Hat's performance team is now shipping TuneD 2.26 as the latest feature release for this tuning profile delivery mechanism for Linux systems to monitor and adaptively adjust the power/performance characteristics of different system components and more...

Meson 1.9 released this weekend as the newest feature update to this build system / build automation tool that works well across different software platforms. With Meson 1.9 there is enhanced Rust support, introducing Swift and C++ code interoperability, and other enhancements to this increasingly used alternative to the likes of CMake and Autotools...

The Open Platform for Enterprise AI "OPEA" that is a sub-project of the Linux Foundation and backed by a wide variety of different organizations to provide open solutions for Generative AI announced today their newest GenAI code examples...

The upcoming Linux 6.18 kernel will begin upstreaming hardware enablement for the ASPEED AST2700 as the next-gen baseboard management controller "BMC" that will likely appear in the majority of future generation servers...

The Linux Foundation used Open-Source Summit Europe 2025 happening in Amsterdam to announce the formation of the Developer Relations Foundation "DRF". Separately, they also announced from Amsterdam that DocumentDB has joined the Linux Foundation...

Podíváme se na DOM-based Clickjacking v rozšířeních správců hesel a na nečekanou chybu funkce obnovení systému Windows. Dále probereme masivní únik dat z Allianz Life, ochranu PyPI proti útokům domain resurrection.

Uživatelé KDE Linuxu budou brzy moci na ploše Plasma aktivovat efekt podobný „Liquid Glass“ od firmy Apple. Svobodný operační systém Haiku vylepšuje chování svých autentizačních nástrojů.

Linux 6.17 is one step closer to release with Linus Torvalds having issued Linux 6.17-rc3 already today to currently traveling in Europe...

Popular Arch Linux based distribution CachyOS is out today with its August 2025 ISO refresh...

It's wild to think that the ARM Cortex-A72 was already announced ten years ago as the ARM core design that went on to appear in the Raspberry Pi 4, AWS Graviton server processor, and various other SoCs. ARM Cortex-A72 based hardware remains in widespread use and finally by the end of 2025 there will be a mainline Error Detection And Correction "EDAC" driver in the mainline Linux kernel for this core...

The open-source upstream driver support for the Qualcomm Adreno X1-45 that is used by the Snapdragon X1 Plus 8-core SoC appears ready for the mainline kernel and could be all aligned for the upcoming Linux v6.18 kernel cycle...

Linux IO_uring and block subsystem maintainer Jens Axboe this week queued the patch series for multi-shot support with provided buffers. Thus the feature should go in for Linux 6.18 as another nice enhancement to the wonderful IO_uring kernel innovation...

Rýsující se podpora USB3 pro Apple M1/M2 v Linuxu 6.18, týden v KDE a opravy pro GPU AMD či další vylepšení HDR, týden v GNOME #213 a lepší JPEG XL v knihovně Glycin, nová verze FFmpeg 8.0 „Huffman“ nejen vylepšující podporu VVC, vstup US do Intelu zvyšuje hodnotu akcií.

A patch series posted overnight that is part of a larger planned rework for the kernel to introduce a "Swap Table" is poised to bring significant real-world performance gains to the Linux kernel...

For those that happen to have an HP Victus 16-r1000 gaming laptop or considering one with the 14th Gen Intel Core CPUs and NVIDIA GeForce RTX 40 graphics, the Linux support is now slightly better off thanks to the HP-WMI driver adding fan and thermal profile support for the Victus 16-r1000 series...

Google is preparing a field trial with the Chrome web browser of accelerated video decoding under Wayland/Linux as a step toward rolling it out by default for a better video playback experience on the Linux desktop with Wayland-based environments...

Nearly a decade after the Tegra X2 SoC shipped in the likes of the Jetson TX2, the Pascal-based GP10B GPU has received a patch for allowing GPU re-clocking within the open-source Nouveau driver...