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Graphics/Benchmarks

Linux 3.17 Doesn't Do Much For AMD Kaveri's Graphics Performance

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Graphics/Benchmarks

Following yesterday's RadeonSI Gallium3D vs. Catalyst comparison using the new AMD A10-7800 Kaveri APU with Radeon R7 Graphics, I then upgraded to the latest Git code for the Linux 3.17 kernel to look for performance changes.

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Trying The Configurable 45 Watt TDP With AMD's A10-7800 / A6-7400K

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Graphics/Benchmarks

AMD Kaveri APUs feature a configurable TDP whereby users can opt to run their A-Series APUs with a lower power consumption and operating temperature but at the cost of slightly reduced performance.

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AMD Kaveri: Catalyst vs. RadeonSI Gallium3D On Linux

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Graphics/Benchmarks

With the recently released AMD A10-7800 Kaveri APU I carried out some new benchmarks comparing the open and closed-source Linux GPU driver performance for AMD with their Catalyst and RadeonSI Gallium3D solutions. When running the open-source Ubuntu driver tests, multiple versions of Mesa and the Linux kernel were used.

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NVIDIA Already Publishes An OpenGL 4.5 Linux Driver

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Graphics/Benchmarks
Linux

While the OpenGL 4.5 specification is fresh off the press and we haven't even seen the Khronos SIGGRAPH announcement yet, NVIDIA has already made public their OpenGL 4.5 beta drivers for Linux and Windows.

The NVIDIA 340.23.01 Linux driver is available today and provides beta support for OpenGL 4.5 and the OpenGL Shading Language (GLSL) 4.50 versions. For tapping all of the potential of OpenGL 4.5, a Fermi, Kepler, or Maxwell GPU is needed. This is conveniently the GeForce 400 series and newer, which is only what's supported now after NVIDIA dropped pre-Fermi support from their mainline Linux driver.

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The Khronos Group Is Developing A New Graphics API From The Ground-Up

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Graphics/Benchmarks

Khronos announced a call for participation in a next-generation OpenGL initiative. The announcement reads, "Khronos announced a call for participation today in a project to define a future open standard for high-efficiency access to graphics and compute on modern GPUs. Key directions for the new ground-up design include explicit application control over GPU and CPU workloads for performance and predictability, a multithreading-friendly API with greatly reduced overhead, a common shader program intermediate language, and a strengthened ecosystem focus that includes rigorous conformance testing. Fast-paced work on detailed proposals and designs are already underway, and any company interested to participate is strongly encouraged to join Khronos for a voice and a vote in the development process."

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Nouveau's Big Batch Of Changes Land In Linux 3.17

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Graphics/Benchmarks

Being merged into the mainline kernel code-base for Linux 3.17 was the big DRM feature pull that included enhancements to the Intel and AMD Radeon graphics drivers (among the other smaller DRM/KMS drivers), but missing from action was the open-source NVIDIA driver. The Nouveau driver changes were delayed by some last-minute bug-hunting but now a separate pull request was issued to land the Nouveau driver updates for Linux 3.17.

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Next Week We Should Hear All About OpenGL 5.0

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Graphics/Benchmarks

Wednesday is the day we've been waiting for when hopefully the lid will be lifted on OpenGL 5 by the Khronos Group.

On 13 August is when the Khronos Group will be announced the next-generation OpenGL at SIGGRAPH in Vancouver. Given that it's going to be going head-to-head with DirectX 12, AMD's Mantle API, and to some extent Apple's Metal, we (and others) assume this is most likely where they're going to make the jump to OpenGL 5.0 rather than OpenGL 4.5 for the next-gen functionality.

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Two Intel Graphics Features Get Pulled From Linux 3.17

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Graphics/Benchmarks

Linux 3.17-rc1 is still about one week away at least, but already two commits of new functionality were reverted from the Intel DRM driver code for Linux 3.17.

The first revert yesterday to the Linux Git code was in regards to semaphores support for Broadwell. Semaphores support for Broadwell -- a performance-boosting feature -- was part of Intel's big set of changes for this kernel merge window. The DRM pull was just sent in a few days ago but Intel developers decided to end up disabling the semaphores support in a drm-intel-fixes pull request they already submitted to Linus Torvalds.

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AMD A10-7800 & A6-7400K APUs Run Great On Linux

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Graphics/Benchmarks

At the end of July AMD launched new Kaveri APU models: the A10-7800, A8-7600, and A6-7400K. AMD graciously sent over review samples on their A10-7800 and A6-7400K Kaveri APUs, which we've been benchmarking and have some of the initial Linux performance results to share today.

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Intel Is Already Working On Linux Graphics Support For Skylake

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Graphics/Benchmarks
Linux

While we're still waiting until around the end of the year to see Broadwell processors, Intel's Open-Source Technology Center is already prepping Linux graphics driver code to begin pushing Skylake support into their driver stack.

Skylake is the successor to Broadwell that's expected to be out in late 2015 but could slip into 2016. Skylake is expected to be more of a SoC design layout with the PCH integrated onto the die and will be launched in conjunctiuon with the Intel 100 Series "Sunrise Point" chipsets. Broadwell is expected to significantly boost the graphics capabilities over Haswell while Skylake will take the performance even further.

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PC-BSD 10.1.2-RC1 Now Available

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Entroware Announces Aura, a Tiny PC That Runs Ubuntu or Ubuntu MATE 15.04

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Ubuntu-Based Black Lab Linux Enterprise Desktop 6.5 RC2 Released with KDE 4.14, MATE 1.8

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today's leftovers

  • Kodi 15.0 Isengard Beta 1 Officially Released
    Kodi, a media player and entertainment hub that was named XBMC until a few months ago, has been upgraded to version 15.0 Beta 1 and is now ready for download and testing.
  • RcppArmadillo 0.5.100.1.0
    A new minor release 5.100.1 of Armadillo was released by Conrad yesterday. Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab.
  • How many Chrome OS devices do you own?
    Chrome OS devices have proven to be quite popular with Chromebooks, Chromeboxes and Chromecast devices all regularly showing up in Amazon's various bestseller lists, and also getting good ratings and reviews by the people who have bought them.
  • Lucid sleep in the free desktop
    One of the areas I'm currently working on is what Google calls Lucid Sleep, which is basically the ability of performing work while the machine is in a low power state such as suspend. I'm writing this blog post because there has been interest on this in different communities and the discussion is currently a bit dispersed.
  • A Request for Help from a Linux Community Member in Nepal
    At the Linux Foundation we focus many of our programs on personalizing and connecting the talented network of Linux developers and users in all corners of the globe. Everyday we are witness to the Linux community innovating irrespective of geographic boundary; that is why this week we were moved by an email we received from one of our community asking for help.
  • Quicklisp and debian
    Common Lisp users are very happy to use Quicklisp when it comes to downloading and maintaining dependencies between their own code and the librairies it is using.
  • Qt4's status and Qt4's webkit removal in Stretch
    Hi everyone! As you might know Qt4 has been deprecated (in the sense "you better start to port your code") since Qt5's first release in December 19th 2012. Since that point on Qt4 received only bugfixes. Upstream is about to release the last point release, 4.8.7. This means that only severe bugs like security ones will get a chance to get solved.
  • LinuxFest NorthWest 2015, ownCloud 8 for stable Fedora / EPEL
    The Fedora booth was extra fun this year. As well as the OLPC XO systems we usually have there (which always do a great job of attracting attention), Brian Monroe set up a whole music recording system running out of a Fedora laptop, with a couple of guitars, bass, keyboard, and even a little all-in-one electronic drum…thing. He had multitrack recording via Ardour and guitar effects from Guitarix. This was a great way to show off the capabilities of Fedora Jam, and was very popular all weekend – sometimes it seemed like every third person who came by was ready to crank out a few guitar chords, and we had several bass players and drummers too. I spent a lot of time away from the booth, but even when I was there we had pretty much a full band going quite often.
  • Rugged, Linux-ready PC/104-Plus SBC offers onboard DAQ
    Diamond’s “Aries” is a Linux-friendly, Atom E3800 based PC/104-Plus SBC for data acquisition, featuring SATA, mSATA, mini-PCIe, and -40 to 85°C support.