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Realizace neuronových sítí s využitím knihovny PyTorch (3. část)

Root.cz - 23. Duben 2025 - 23:00
Ukázali jsme si konstrukci, trénink a validaci neuronových sítí s využitím knihovny PyTorch. Zbývá nám ovšem seznámit se blíže s konceptem afinních transformací a aktivačních funkcí. Právě to je téma dnešního článku.

OpenMandriva Lx 6.0 Brings KDE Plasma 6 By Default, Official Server Edition

Phoronix - 23. Duben 2025 - 21:55
OpenMandriva Lx 6.0 Rock is now available with the KDE Plasma 6 desktop shipping by default while still offering both Wayland and X11 session options. There is also now an official server edition of OpenMandriva...

Dotace na IT kurzy: nechte EU zaplatit za vaše vzdělání a ušetřete rodinný rozpočet

Root.cz - 23. Duben 2025 - 20:39
Víte, co je lepší než nový procesor? Nové znalosti! A víte, co je ještě lepší než nové znalosti? Nové znalosti, které vám zaplatí Úřad práce formou dotací. Naučíte se něco užitečného s podporou EU.

Linux 6.15 Lands Fix For "3x Performance Regression" Affecting Nginx & Other Software

Phoronix - 23. Duben 2025 - 19:50
The Linux 6.15 kernel has just merged a fix for the big performance regression I spotlighted yesterday on Phoronix with a huge hit to the Nginx HTTPS web server performance that could see a 3x regression from the in-development Linux 6.15 kernel code. It turns out other workloads/applications also were negatively impacted by this regression. While a stumper at first even with the bisected commit, the issue was luckily resolved very quickly.

Mesa 25.1-rc2 Released With NVK Vulkan 1.4 Conformance For Older NVIDIA GPUs

Phoronix - 23. Duben 2025 - 19:22
Mesa 25.1-rc2 is now available for testing as the newest weekly test version of this collection of OpenGL and Vulkan drivers. Mesa 25.1 continues working its way toward a stable release in May...

Orange Pi RV2 Benchmarks: The Most Performant RISC-V Board For Less Than $100 With 8 Cores + 8GB RAM

Phoronix - 23. Duben 2025 - 15:30
Earlier this month Canonical announced Ubuntu Linux support for the Orange Pi RV2 as a low-cost RISC-V developer board. The Orange Pi RV2 with eight RISC-V cores and 8GB of RAM costs just around $64 USD. The price point and specs were interesting that I ordered one and have been running performance benchmarks on it since for seeing how capable this is as finally an interesting, low-cost and readily available RISC-V board.

AMD Posts Open-Source Linux Patches For Pensando RDMA Driver

Phoronix - 23. Duben 2025 - 13:20
The newest open-source Linux driver being worked on by AMD engineers is a Remote Direct Memory Access (RDMA) solution for their Pensando networking hardware...

Ubuntu 25.10 Moving Ahead With Plans For Migrating To Rust Coreutils

Phoronix - 23. Duben 2025 - 11:31
Back in March some ideas were talked about by Canonical engineers for Ubuntu Linux to move to Rust Coreutils and other Rust-written system components. Some of this is likely to materialize for the Ubuntu 25.10 release due out in October to allow for sufficient testing ahead of the all important Ubuntu 26.04 LTS release next year. Today the more solidified plans have been laid out for moving to the Rust Coreutils as a replacement to GNU Coreutils with Ubuntu 25.10...

Fedora 43 Change Proposal Filed For Removing GNOME X11 Packages: Wayland-Only GNOME

Phoronix - 23. Duben 2025 - 11:15
Following a lot of work in this direction toward the end goal of removing GNOME X11 support, this milestone may finally be acheived for the Fedora 43 cycle due out by the end of the year. A change proposal has been filed for removing the GNOME X11 packages in the repository and in turn making the GNOME desktop Wayland-only on Fedora Linux...

VMware Updates Linux Patches For Running VMware Workstation Atop KVM

Phoronix - 23. Duben 2025 - 11:05
One of the biggest surprises of last year was finding out that VMware has been working on shifting VMware Workstation from proprietary code to building atop the upstream KVM code within the Linux kernel. Following the initial patches from last October, an updated patch series was sent out on the Linux kernel mailing list yesterday for working on this transition...

Patches Hoping For The Upstream Kernel Finally Provide Google Pixel 4a Support

Phoronix - 23. Duben 2025 - 10:58
The Google Pixel 4a smartphones launched in mid-2020 and now in mid-2025 it looks like we might finally be close to seeing mainline kernel support for the Pixel 4a devices and other hardware making use of Qualcomm Snapdragon 730/730G/732G SoCs...

QEMU 10.0 Released With True Multi-Queue Support, New Apple Graphics Devices

Phoronix - 23. Duben 2025 - 1:35
QEMU 10.0 was released today as the newest version of this emulator code that plays an important role in the open-source Linux virtualization stack...

CSIRT.CZ: příběhy z patnácti let boje za bezpečný internet v Česku

Root.cz - 22. Duben 2025 - 23:00
Brzy završí národní bezpečnostní tým CSIRT.CZ patnáct let ve sdružení CZ.NIC. Jak se za tu dobu změnila naše činnost, jaké změny pozorujeme v incidentech, jaké další služby provozujeme kromě samotného řešení incidentů?

Softwarová sklizeň (23. 4. 2025): mocný editor pro Python

Root.cz - 22. Duben 2025 - 23:00
Sonda do světa otevřeného softwaru. Dnes si představíme nedávno otevřený software pro simulaci barvosleposti, podíváme se zápisník pro Python, vyzkoušíme prohlížeč a konvertor 3D modelů a řekneme si o „kotěcím“ emulátoru terminálu.

Linux 6.15 Git Tanked Nginx HTTPS Web Server Performance - Here's The Bisect

Phoronix - 22. Duben 2025 - 22:09
With the Linux 6.15 kernel settling down nicely, I've been testing out the current Linux Git state on more systems in looking for any performance changes. Unfortunately this week I ran into a large performance regression affecting the Nginx HTTP(S) web server. Here's a look at that problem currently affecting Linux Git.

CachyOS Linux Distribution Makes More Improvements To Its Handheld Edition

Phoronix - 22. Duben 2025 - 20:30
The April 2025 ISO update is out today for CachyOS, the Arch based Linux distribution known for its aggressive out-of-the-box performance on modern hardware...

NVK Now Vulkan 1.4 Conformant For NVIDIA Maxwell GPUs

Phoronix - 22. Duben 2025 - 19:01
Mesa's NVK Vulkan driver had been Vulkan 1.4 conformant for Turing and newer GPUs, but now with Mesa 25.2-devel it's Vulkan 1.4 conformant going back to Maxwell GPUs. This change is exported to be back-ported to the upcoming Mesa 25.1 release as well for those interested in using this open-source NVIDIA Vulkan driver...

AMD Ryzen AI Max 300 "Strix Halo" Graphics IP Versions Confirmed

Phoronix - 22. Duben 2025 - 17:27
For those that have been wondering about the Linux support and more details around the Ryzen AI Max 300 "Strix Halo" APUs on Linux, here's a brief update...

Intel Core Ultra 9 285K "Arrow Lake" Performance On Linux Has Improved A Lot Since Launch

Phoronix - 22. Duben 2025 - 15:00
Today's Linux benchmarking at Phoronix is looking at how the Intel Core Ultra 9 285K performance has evolved since its launch last October. Taking the launch-day benchmarks from October with the same hardware, we are revisiting the Intel Arrow Lake performance under Linux today using the newest system BIOS and the newly-released Ubuntu 25.04 for seeing how the performance has evolved roughly over the past half-year.

GCC Compiler Adds Targeting Support For XuanTie RISC-V CPUs

Phoronix - 22. Duben 2025 - 14:41
One of the early features being merged for what will become the GCC 16 compiler following last week's GCC 15 code branching is CPU targeting support for the XuanTie RISC-V processors...
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