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Devices/Embedded: Omega2 Pro, Power of Zephyr RTOS, ELC Europe

  • Open source Omega2 module gives way to a “Pro” SBC
    Onion’s “Omega2 Pro” update to its WiFi-enabled Omega2 board boosts RAM to 512MB and flash to 8GB and adds real-world USB and micro-USB ports. The Pro model runs OpenWrt on a 580MHz MIPS SoC. Boston-based Onion launched its IoT-oriented Omega computer-on-module on Kickstarter in early 2015 and returned the next year with an Omega2 model that switched the 400MHz Atheros AR9331 with a similarly MIPS-based, OpenWrt-driven 580MHz MediaTek MT7688 SoC that supported additional I/O. The open source module was also available in an Omega2 Plus model that added a microSD slot and doubled RAM and flash to 128MB and 32MB, respectively.
  • The Power of Zephyr RTOS
    The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures; it’s optimized for resource-constrained devices and built specifically with security in mind. To learn more, we talked with Thea Aldrich, Zephyr Project Evangelist and Developer Advocate, about the goals and growth of the project. The first question that comes to mind is what’s the need for Zephyr when the Linux kernel already exists? Aldrich explained that Zephyr is great in those cases where Linux is too big. “It’s a really small footprint, real-time operating system built with security and safety in mind for highly constrained environments,” she said.
  • A crash course in embedded Linux software deployment
    At ELC Europe, Mender.io’s Mirza Krak surveyed popular techniques for deploying embedded Linux software, including cross-dev strategies, IDEs, Yocto-OE package management, config utilities, network boot, and updating software. While many Embedded Linux Conference talks cover emerging technologies, some of the most useful are those that survey the embedded development tools and techniques that are already available. These summaries are not only useful for newcomers but can be a helpful reality check and a source for best practices for more experienced developers.

PDFArranger: Merge, Split, Rotate, Crop Or Rearrange PDF Documents (PDF-Shuffler Fork)

PDFArranger is an application for merging or splitting PDF files, as well as rotating, cropping and rearranging PDF document pages, using a simple graphical user interface. The tool, which is a graphical front-end for PyPDF2, is a fork of PDF-Shuffler that aims to "make the project a bit more active". It runs on Linux, but there's also experimental Windows support. Read more

Qt 3D Studio 2.2 Released

We are happy to announce that Qt 3D Studio 2.2 has been released. Qt 3D Studio is a design tool for creating 3D user interfaces and adding 3D content into Qt based applications. With Qt 3D Studio you can easily define the 3D content look & feel, animations and user interface states. Please refer to earlier blog posts and documentation for more details on Qt 3D Studio. Read more Also: Qt 3D Studio 2.2 Released With New Material System, Stereoscopic Rendering Preview

AMD Linux News

  • AMD Squeezes In Some Final AMDGPU Changes To DRM-Next For Linux 4.21
    Complementing all of the AMDGPU feature work already staged for the upcoming Linux 4.21 kernel, another (small) batch of material was sent out on Wednesday. This latest AMDGPU material for Linux 4.21 includes PowerPlay updates for newer Polaris parts, a cursor plane update fast path, enabling GPU reset by default for Sea Islands (GCN 1.1) graphics cards, and various fixes.
  • AMD Adding STIBP "Always-On Preferred Mode" To Linux
    Initially during the Linux 4.20 kernel merge window with the STIBP addition for cross-hyperthread Spectre V2 mitigation it was turned on by default for all processes. But that turned out to have a sizable performance hit so the behavior was changed to only turn it on for processes under SECCOMP or when requested via the PRCTL interface. However, AMD is landing a patch that for select CPUs will have an always-on mode as evidently that's preferred for some AMD processors.
  • Radeon Software for Linux 18.50 Released - Just One Listed Change
    The Radeon Software for Linux 18.50 driver release (a.k.a. "AMDGPU-PRO" 18.50) is now officially available We were expecting the 18.50 driver update following Thursday's Radeon Software Adrenalin 2019 Edition driver for Windows having debuted. The 18.50 driver release has since been made available via the AMD web-site.
  • Radeon ROCm 1.9.1 vs. NVIDIA OpenCL Linux Plus RTX 2080 TensorFlow Benchmarks
    Following the GeForce RTX 2080 Linux gaming benchmarks last week with now having that non-Ti variant, I carried out some fresh GPU compute benchmarks of the higher-end NVIDIA GeForce and AMD Radeon graphics cards. Here's a look at the OpenCL performance between the competing vendors plus some fresh CUDA benchmarks as well as NVIDIA GPU Cloud TensorFlow Docker benchmarks.
  • Radeon Software Adrenalin 2019 Rolls Out While Linux Users Should Have AMDGPU-PRO 18.50
    AMD today released their Radeon Software Adrenalin 2019 Edition geared for Windows gamers while Linux users should have AMDGPU-PRO 18.50 available shortly for those wanting to use this hybrid Vulkan/OpenGL driver component that does also feature the AMDGPU-Open components too in their stable but dated composition. The 2019 Adrenalin Edition for Windows brings performance improvements for select Windows titles, new advisors to help configure games and settings, improved fan control, WattMan improvements, game streaming improvements, and more.