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Knihovny s implementací generických datových typů pro programovací jazyk Go (2) - 27. Červen 2022 - 23:00
Na předchozí článek o knihovně Go18DS dnes navážeme. Popíšeme si další dva velmi důležité kontejnery, konkrétně stromy (několika typů) a binární haldu. Ovšem nezapomeneme ani na benchmarky.

GCC-Rust Feedback Sought - Possibly Aiming For Upstream In GCC 13

Phoronix - 27. Červen 2022 - 19:10
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...

Linux "RADV" Radeon Driver Gets A Big Speed-Up For 16-bit FidelityFX Super Resolution

Phoronix - 27. Červen 2022 - 18:30
Merged today to Mesa 22.2 was a four month old merge request for the open-source Radeon Vulkan driver "RADV" that significantly improves the 16-bit FidelityFX Super Resolution (FSR) performance...

The Performance Cost To A Proposed Fedora 37 CFLAGS/CXXFLAGS Change

Phoronix - 27. Červen 2022 - 14:30
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

Phoronix - 27. Červen 2022 - 14:30
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...

Firefox 102 Available With Transform Streams, Geoclue On Linux

Phoronix - 27. Červen 2022 - 13:45
The Firefox 102.0 release is now available for download ahead of its stable release announcement tomorrow...

F2FS File-System Driver Preparing A Low-Memory Mode

Phoronix - 27. Červen 2022 - 10:12
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...

Linux 5.19-c4 - A Bit Bigger, Also Fixes A Previously Reported Performance Regression

Phoronix - 26. Červen 2022 - 23:07
Linus Torvalds just released Linux 5.19-rc4 as the newest weekly test candidate. There are more patches this week than in the prior Linux 5.19-rc versions but nothing too scary as well as having some notable patches in tow...

Postřehy z bezpečnosti: QNAP NAS je v ohrožení kvůli Nginx - 26. Červen 2022 - 23:00
V dnešním souhrnu novinek ze světa bezpečnosti se podíváme na zranitelnost QNAP NAS a Citrix ADM, na DDoS útoky hrozící Litvě, na likvidaci jednoho botnetu, pokračující pokusy o zneužití Log4Shell a další zajímavosti.

Fuchsia uvolněna pro Nest Hub Max, Fedora CoreOS chce být oficiální - 26. Červen 2022 - 23:00
Minimalistický operační systém Fedora CoreOS doufá v povýšení na oficiální edici. CBL-Mariner 2.0 podporuje PXE boot a kernel live patching. FreeNAS se spojuje s TrueNAS. Google uvolnil systém Fuchsia pro Nest Hub Max.

liburing 2.2 Released For Easier IO_uring Usage On Linux

Phoronix - 26. Červen 2022 - 17:07
Jens Axboe, Linux storage expert and IO_uring lead developer, released liburing 2.2 this weekend as the newest version of this helper library that makes it easier for user-space software to make use of the Linux kernel's IO_uring support...

NVIDIA Lands AV1 VDPAU Hardware Acceleration In FFmpeg

Phoronix - 26. Červen 2022 - 10:44
NVIDIA has contributed support to the FFmpeg multimedia library for being able to take advantage of AV1 GPU-accelerated video decoding by way of the VDPAU API when using the latest-generation NVIDIA RTX 30 "Ampere" GPUs...

Microsoft's CBL-Mariner 2.0 Linux Distro Now Supports Kernel Live Patching, PXE Boot

Phoronix - 26. Červen 2022 - 10:14
Last month Microsoft issued the first production release of CBL-Mariner 2.0, its in-house Linux distribution used for powering services from Microsoft Azure to WSL use-cases and more. CBL-Mariner 2.0 this weekend saw a rather large monthly update with a number of fixes, package updates, and new additions to this "Common Base Linux" platform...

Shotcut 22.06 Video Editor Adds Support For Lottie Animations, Filter Improvements

Phoronix - 26. Červen 2022 - 10:07
Shotcut remains one of the leading open-source, cross-platform video editors built atop the MLT Multimedia Framework with FFmpeg. Out this week is Shotcut 22.06 as the newest feature update to this non-linear video editing solution...

Krita 5.1 přináší WebP a počáteční podporu JPEG XL, VIA GPU a rok 2022 - 25. Červen 2022 - 23:00
Nová verze OpenZFS 2.1.5 s podporou Linuxu 5.18, OpenChrome pro grafiky VIA by rád stihl Linux 5.20, první beta verze editoru Krita 5.1 a poslední dny v KDE nejen s opravnou verzí Plasmy 5.25.1.

Fedora CoreOS Hopes To Become An Official Edition With Fedora 37

Phoronix - 25. Červen 2022 - 20:54
For the Fedora 37 cycle Fedora CoreOS is hoping to be promoted to an official release "edition" alongside the likes of Fedora Workstation and Fedora Server...

Open-Source VIA Graphics Driver Hopes To Be Mainlined For Linux 5.20

Phoronix - 25. Červen 2022 - 11:09
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

Phoronix - 25. Červen 2022 - 10:35
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...

EndeavourOS 22.6 "Artemis" Released With Improved Arm Support, WirePlumber In Use

Phoronix - 25. Červen 2022 - 10:21
While Arch Linux itself is quite easy to get setup these days thanks to Archinstall for a quick installation process and sane defaults, for those looking for a nice and polished experience EndeavourOS remains one of the nice Arch-based desktop Linux distributions...

KDE Fixed Many Bugs With Plasma 5.25.1, More Fixes On The Way

Phoronix - 25. Červen 2022 - 10:06
KDE released Plasma 5.25.1 this week with the first batch of bug fixes to the Plasma 5.25 desktop while yet more fixes are coming down the pipe to Plasma and other KDE software components...
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