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July 26, 2012January 16, 2013 by Jean-Luc Aufranc (CNXSoft) - No Comments

LinuxCon North America 2012 Schedule

LinuxCon (North America) 2012 will take place on August 29 – 31, 2012 at Sheraton Hotel & Marina, in San Diego, California. The event will be co-located with the Linux Kernel Summit, the Linux Plumbers Conference, and CloudOpen 2012. LinuxCon consists of 3 days of keynotes, business and developers related sessions as well as tutorials. There will be over 80 sessions and keynotes during those 3 days. I’ll highlight a few sessions that I find particularly interesting and related to embedded Linux, software development and ARM. August 29 10:45 – 11:30 – Life After BerkeleyDB: OpenLDAP’s Memory-Mapped Database by Howard Chu, Symas Abstract: OpenLDAP’s new MDB library is a highly optimized B+tree implementation that is orders of magnitude faster and more efficient than everything else in the software world. Reads scale perfectly linearly across arbitrarily many CPUs with no bottlenecks, and data is returned with zero memcpy’s. Writes are on […]

July 4, 2012July 5, 2012 by Jean-Luc Aufranc (CNXSoft) - 5 Comments

Amahi 6.1 for Ubuntu 12.04 Released

Amahi has just announced the release of Amahi 6.1, Ubuntu Edition, an Home Digital Assistant (HDA). Amahi used to only work for Fedora and this is their very first stable release for Ubuntu 12.04. The key features of Amahi 6.1, Ubuntu Edition include: Greyhole 0.9 (storage pooling technology) Reliability fixes and updates New look Support for 32 / 64-bit Desktop and Server versions of Ubuntu Improved cloud storage with Amahi Sync Preliminary support ARM platforms such as PandaBoard and BeagleBoard One-Click App installs via Amahi’s application store If you want to get started with Amahi, you’ll have to register (and get an install code), and follow a few command line instructions. The instructions are the same to install on ARM platforms (assuming you already have Ubuntu 12.04 running), but Amahi developers recommend to install it to an hard drive instead of an SD card for performance reasons. They are also […]

July 1, 2012July 1, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

Linaro 12.06 Release with Kernel 3.5 and Android 4.0.4

Linaro has released version 12.06 based on Linux Kernel 3.5-rc3 and Android 4.0.4 (r2.1). This release brings further multimedia enablement for Android as well as some improvement to perf for Android, improved instructions & scripts for multi-arch on Ubuntu, and lots of little improvements and bugs fixes. Here are the highlights of the release: Android Multimedia enablement on AOSP, patches are in review. Most of the benchmarking applications have been automated via Monkeyrunner, working on PandaBoard and Snowball. Update panda-ics-gcc47-tilt-tracking-blob build to the TI LT 3.4 kernel. USB camera preview and still capture forward ported to tilt-tracking. 3D graphics and multimedia working on tilt-stable. IOMMU for Origen’s Multi format codec (MFC) enabled. IOMMU for Origen’s FIMC enabled. (FIMC stands for Fully Interactive Mobile Camera, and it’s used for camera input). Snowball upgraded to Android 4.0.4. Cortex strings landed in Linaro Android and submitted to AOSP (https://android-review.googlesource.com/#/c/38031/). This is part of […]

June 26, 2012May 29, 2017 by Jean-Luc Aufranc (CNXSoft) - 20 Comments

List of 39 Low Cost Linux Friendly Boards and Products

Dmitry (omgfire), one of my awesome readers, compiled a great tabular list of Linux friendly boards and products that sells for less than $300 US (usually less than $200). This list includes technical details such as the processor, GPU, memory, NAND flash, connectivity, ports, supported Linux distributions… as well as availability and pricing information. There are currently 39 Linux devices in total. The vast majority are ARM based boards, but he also included 2 x86 products by VIA, but those are relatively pricey ($265 and up). Here’s a summary list with SoCs used, links to blog posts and product pages (if available), as well as price information. Raspberry Pi Model B – Broadcom BCM2835 (ARM11) – Blog post (That’s my first post about the R-Pi last year, and the board is much different now) – Product page – Price: $35 + shipping Rikomagic MK802 – Allwiner A10 (Cortex A8) – […]

June 21, 2012 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Phoronix Designed a Solar Powered ARM Cluster with 48 Pandaboards

Michael Larabel of Phoronix did a “little” week-end project at the Massachusetts Institute of Technology (MIT), building an ARM cluster with 48 Pandaboards mostly with standard Pandaboards (OMAP 4430), although some Pandaboard ES (OMAP 4460) were also thrown in the mix. The 96-core cluster consumes just over 200 Watts under load and can be powered by a solar panel. The boards are stacked up vertically in an industrial trashcan, and are powered via USB instead of AC adapters. Michael’s PandaBoard ES testing indicates about a 3 Watt idle per board, 5 Watt under load, or 6 Watts under extreme load. The cluster idle power consumption is just under 170 Watts while idle, and goes slightly over 200 Watts under load. Each Pandaboard runs Ubuntu 12.04 ARM OMAP4 installed on SD cards. MIT did some testing and provided Phoronix with benchmark results such as tests following Green500 benchmarking procedure, but they are […]

June 3, 2012June 18, 2018 by Jean-Luc Aufranc (CNXSoft) - 30 Comments

Linaro Android Puts Stock Android To Shame on TI Pandaboard (OMAP4430)

The team at Linaro has done an amazing job at optimizing Android 4.0 for ARM and Bernhard Rosenkränzer, Android Engineer at Linaro among other things, has put all those optimizations together to showcase a demo at Linaro Connect Q2.2012 in Hong Kong with 2 pandaboards: One running Stock Android 4.0.4, the one released by Google (AOSP) One running Linaro Android 4.0.4 Both hardware, android version and benchmark software (oxBench) are the same, and the results are quite amazing with Android Linaro achieving about 60 fps in all 0xBenchmark tests (OpenGL Cube, OpenGL Blending, OpenGL Fog and Flying Teapot) whereas Android stock achieving 30 fps. They selected a benchmark tool that is mainly CPU bound, as they cannot optimize the GPU code since they can only access binary blobs. Apparently, most of the improvements were possible thanks to toolchain and code optimization (to be able to build) such as using gcc […]

June 1, 2012June 1, 2012 by Jean-Luc Aufranc (CNXSoft) - 1 Comment

Linaro 12.05 Release with Kernel 3.4 and Android 4.0.4

Linaro has just released version 12.05 based on Linux Kernel 3.4 and Android 4.0.4. This release provides lots of improvement for Origen (Samsung Exynos 4) on Android, further work has been done on big.LITTLE processing and ARMv8 work appears to have started for Ubuntu and Debian. armel vs armhf benchmarks show a massive improvement (up to 15x) when using armhf for povray (3D rendering),. but for most other tests, there is little improvement, and in some rare cases armhf is slightly slower than armel. Here are the highlights of the release: Android Created a stable Google hangout build for Origen Updated DS-5 and gator daemon to 5.10 Stress tests from big.LITTLE testing have been integrated into LAVA Completed big.LITTLE Android tasks Monkeyrunner tests for automating common Android usage have been integrated into LAVA Ordered a new power measurement device from National Instruments Updated and Origen 3.4 rc7 Completed Android HAL […]

May 24, 2012May 24, 2012 by Jean-Luc Aufranc (CNXSoft) - No Comments

Ubuntu, Tizen, XMBC… Demos at Q2.12 Linaro Connect in Hong Kong

Linaro has announced several demos would take place at Linaro Connect on June 1st, 2012 in Hong Kong: Big.LITTLE in-kernel Switcher (Linaro) SIProp – Combat Scouter – How much your Combat Power? (SIProp) Android Toolchain Improvements (Linaro) Origen Running Awesome Code (Linaro) Snowball with MM enablement (Linaro) Tizen on Snowball (Linaro) Google+ Hangouts on an ARM Board (Linaro) Low-Cost Logic Analyzer (Linaro) XBMC on Snowball – ST Ericsson Snowball (Linaro) (Ubuntu) Unity 3D on Snowball (Linaro) Ubuntu TV on Snowball (Linaro) PCM (Phase Change Memory) : Linaro kernel meets with the PCM technology (Micron) ARM DS-5 & Linaro (ARM) Most of the demos will be organized by Linaro, but three others companies will also shown the “show”, namely SIProp, Micron and ARM. It’s always interested to see what happens at Linaro because it gives a view into the future to what may comes to the new products and developers can see what new features are available for […]