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Graphics/Benchmarks

Graphics: NVIDIA, Nouveau, X.Org Server

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Graphics/Benchmarks
  • NVIDIA Making Progress On Server-Side GLVND: Different Drivers For Different X Screens

    While NVIDIA isn't doing much to help out Nouveau, at least the company is contributing to the open-source Linux graphics ecosystem in other ways. In addition to presenting at XDC2017 this week on the Unix device memory allocator API and DeepColor / HDR support, they also presented on server-side GLVND.

    Server-side GLVND is separate from the client-side GLVND (OpenGL Vendor Neutral Dispatch Library) that evolved over the past few years and with modern Linux systems is supported both by Mesa and the NVIDIA binary driver. Server-side GLVND can help PRIME laptops and other use-cases like XWayland where potentially dealing with multiple GPU drivers touching X.

  • Nouveau Developers Remain Blocked By NVIDIA From Advancing Open-Source Driver

    Longtime Nouveau contributors Martin Peres and Karol Herbst presented at this week's XDC2017 X.Org conference at the Googleplex in Mountain View. It was a quick talk as they didn't have a whole lot to report on due to their open-source NVIDIA "Nouveau" driver efforts largely being restricted by NVIDIA Corp.

  • X.Org Server 1.20 Expected Around January With New Features

    X.Org Server 1.19 is already almsot one year old and while X.Org is currently well off its six month release cadence, version 1.20 is being figured out for an early 2018 release.

    Adam Jackson of Red Hat who has been serving as the xorg-server release manager held a quick session on Friday at XDC2017 to figure out what's needed for X.Org Server 1.20. His goal is to see X.Org Server 1.20 released in time for making the Fedora 28 version. For that to happen nicely, he's hoping to see xorg-server 1.20 released in January. The Fedora 28 beta freeze is the middle of March so there is still time for the 1.20 release to slip while making the F28 Linux distribution update.

Vulkan FOSS Adoptions

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Graphics/Benchmarks
  • SDL 2.0.6 released, introduces Vulkan support

    The cross-platform development library has seen the release of its latest version. Quite a few exciting changes this time around, including support for Vulkan and more types of gamepads.

    SDL [Official Site] is something that has been used in quite a diverse array of projects and plenty of game ports that have made their way to Linux have taken advantage of it. The latest release has its fair share of general improvements but most noticeable is the implementation of Vulkan support. This hopefully will make it easier for developers to take advantage of the Vulkan API and help it gain more traction.

  • X.Org Foundation Has Become A Khronos Adopter

    The X.Org Foundation board announced during this week's XDC2017 summit that they have officially completed the paperwork to become a Khronos adopter.

    The X.Org Foundation is now considered a pro-bono adopter for The Khronos Group so that the community-based open-source drivers targeting Khronos APIs for conformance can submit conformance test results and become a certified implementation.

Direct Rendering Manager and VR HMDs Under Linux

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Graphics/Benchmarks
Linux
  • Intel Prepping Support For Huge GTT Pages

    Intel OTC developers are working on support for huge GTT pages for their Direct Rendering Manager driver.

  • Keith Packard's Work On Better Supporting VR HMDs Under Linux With X.Org/DRM

    Earlier this year Keith Packard started a contract gig for Valve working to improve Linux's support for virtual reality head-mounted displays (VR HMDs). In particular, working on Direct Rendering Manager (DRM) and X.Org changes needed so VR HMDs will work well under Linux with the non-NVIDIA drivers.

    A big part of this work is the concept of DRM leases, a new Vulkan extension, and other changes to the stack.

Graphics: RADV Vulkan vs. RadeonSI OpenGL, Open-Source OpenCL, VIA Graphics & Other Vintage GPUs

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Graphics/Benchmarks
  • RADV Vulkan vs. RadeonSI OpenGL Performance With Linux 4.13 + Mesa 17.3-dev

    It's been a few weeks since last delivering any large RADV/RadeonSI open-source AMD Linux graphics benchmark results due to being busy with testing other hardware as well as battling some regressions / stability problems within the AMDGPU DRM code and Mesa Git. But with Linux 4.13 stable and the newest Mesa 17.3-dev code, things are playing well so here are some fresh OpenGL vs. Vulkan benchmarks on three Radeon graphics cards.

  • Open-Source OpenCL Adoption Is Sadly An Issue In 2017

    While most of the talks that take place at the annual X.Org Developers' Conference are around the exciting progress being made across the Linux graphics landscape, at XDC2017 taking place this week at Google, the open-source GPGPU / compute talk is rather the let down due to the less than desirable state of the open-source OpenCL ecosystem.

    Tom Stellard who formerly worked for AMD on their LLVM compiler stack and compute initiatives who recently joined Red Hat provided a "Current state of Open Source GPGPU" talk. It's not too much of a surprise if you are up-to-date in your daily Phoronix reading and our close coverage of all things Linux GPU. But if you're not a devoted reader or looking for an hour synopsis, check out his presentation embedded in this article.

  • VIA Graphics & Other Vintage GPUs Still Interest At Least One Developer In 2017

    Kevin Brace, the sole active developer left working on the OpenChrome driver stack for VIA x86 graphics, presented yesterday at XDC2017 about his work on this driver and how in the years to come he still hopes to work on other vintage GPU support.

    Brace's work mostly covered his personal motivations, a brief history of Via Unichrome and the Linux driver options, and then his recent work on trying to get the OpenChrome DDX and DRM drivers into shape.

LWN (Now Open Access): Kernel Configuration, Linux 4.14 Merge Window, Running Android on a Mainline Graphics Stack

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Android
Graphics/Benchmarks
Linux
  • A different approach to kernel configuration

    The kernel's configuration system can be challenging to deal with; Linus Torvalds recently called it "one of the worst parts of the whole project". Thus, anything that might help users with the process of configuring a kernel build would be welcome. A talk by Junghwan Kang at the 2017 Open-Source Summit demonstrated an interesting approach, even if it's not quite ready for prime time yet.

    Kang is working on a Debian-based, cloud-oriented distribution; he wanted to tweak the kernel configuration to minimize the size of the kernel and, especially, to reduce its attack surface by removing features that were not needed. The problem is that the kernel is huge, and there are a lot of features that are controlled by configuration options. There are over 300 feature groups and over 20,000 configuration options in current kernels. Many of these options have complicated dependencies between them, adding to the challenge of configuring them properly.

  • The first half of the 4.14 merge window

    September 8, 2017 As of this writing, just over 8,000 non-merge changesets have been pulled into the mainline kernel repository for the 4.14 development cycle. In other words, it looks like the pace is not slowing down for this cycle either. The merge window is not yet done, but quite a few significant changes have been merged so far. Read on for a summary of the most interesting changes entering the mainline in the first half of this merge window.

  • Running Android on a mainline graphics stack

    The Android system may be based on the Linux kernel, but its developers have famously gone their own way for many other parts of the system. That includes the graphics subsystem, which avoids user-space components like X or Wayland and has special (often binary-only) kernel drivers as well. But that picture may be about to change. As Robert Foss described in his Open Source Summit North America presentation, running Android on the mainline graphics subsystem is becoming possible and brings a number of potential benefits.
    He started the talk by addressing the question of why one might want to use mainline graphics with Android. The core of the answer was simple enough: we use open-source software because it's better, and running mainline graphics takes us toward a fully open system. With mainline graphics, there are no proprietary blobs to deal with. That, in turn, makes it easy to run current versions of the kernel and higher-level graphics software like Mesa.

Mesa 17.1.10 Release Candidate

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Graphics/Benchmarks
  • Mesa 17.1.10 release candidate

    The candidate for the Mesa 17.1.10 is now available. Currently we have:
    - 41 queued
    - 0 nominated (outstanding)
    - and 5 rejected patches

    This is the last release for the 17.1 series.

  • Mesa 17.1.10 Is Being Prepped As The Final 17.1 Update

    J.A. Suarez Romero of Igalia is preparing Mesa 17.1.10 as the final point release for the Mesa 17.1 release stream.

    The release candidate is out today while Romero is planning to issue this final update to Mesa 17.1 by next week Monday, 25 September. Following that, users are encouraged to upgrade to the stable Mesa 17.2 series.

Graphics: NVIDIA Progress, VC4/VC5, Intel's Linux Driver & Mesa

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Graphics/Benchmarks
  • NVIDIA 384.90 Linux Driver Brings Fixes, Quadro P5200 Support

    One day after releasing updated GeForce Linux legacy drivers, NVIDIA is now out with an update to their long-lived 384 branch.

    The NVIDIA 384 Linux series is the current latest series for their proprietary driver. Coming out today is the 384.90 update that is primarily comprised of bug fixes but also includes Quadro P5200 support.

  • NVIDIA Continues Prepping The Linux Desktop Stack For HDR Display Support

    Besides working on the new Unix device memory allocator project, they have also been engaged with upstream open-source Linux developers over preparing the Linux desktop for HDR display support.

    Alex Goins of the NVIDIA Linux team presented on their HDR ambitions for the Linux desktop and the work they are still doing for prepping the X.Org stack for dealing with these next-generation computer displays. This is a project they have also been looking at for more than one year: NVIDIA Is Working Towards HDR Display Support For Linux, But The Desktop Isn't Ready.

  • The State Of The VC4 Driver Stack, Early Work On VC5

    ric Anholt of Broadcom just finished presenting at XDC2017 Mountain View on the state of the VC4 driver stack most notably used by the Raspberry Pi devices. Additionally, he also shared about his early work on the VC5 driver for next-generation Broadcom graphics.

  • Intel's Linux Driver & Mesa Have Hit Amazing Milestones This Year

    Kaveh Nasri, the manager of Intel's Mesa driver team within the Open-Source Technology Center since 2011, spoke this morning at XDC2017 about the accomplishments of his team and more broadly the Mesa community. Particularly over the past year there has been amazing milestones accomplished for this open-source driver stack.

GPUVis in the News

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Graphics/Benchmarks

Linux and Graphics: Linux Weather Forecast, DRM, XDC2017, Mesa, and NVIDIA

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Graphics/Benchmarks
Linux
  • Linux Weather Forecast

    This page is an attempt to track ongoing developments in the Linux development community that have a good chance of appearing in a mainline kernel and/or major distributions sometime in the near future. Your "chief meteorologist" is Jonathan Corbet, Executive Editor at LWN.net. If you have suggestions on improving the forecast (and particularly if you have a project or patchset that you think should be tracked), please add your comments below.

  • A New DRM Driver Is Coming For Linux 4.15

    TVE200 is a new Direct Rendering Manager driver being queued for Linux 4.15.

    The TVE200 DRM driver is for the Faraday Tech TVE200 "TV encoder" block. This mini driver was written by Linus Walleij of Linaro.

  • XDC2017 Kicks Off With X.Org, Wayland & Graphics Talks

    The X.Org Developers Conference kicked off a short time ago at the Googleplex in Mountain View, CA. But even if you are not at the event, there is a livestream.

  • Mesa Sees An Initial Meson Build System Port

    A few months ago was a vibrant discussion about a Meson proposal for libdrm/Mesa while today the initial patches were posted in bringing a possible Meson build system port for Mesa.

  • NVIDIA Offers Update On Their Proposed Unix Device Memory Allocation Library

    James Jones of NVIDIA presented this morning at XDC2017 with their annual update on a new Unix device memory allocation library. As a reminder, this library originated from NVIDIA's concerns over the Generic Buffer Manager (GBM) currently used by Wayland compositors not being suitable for use with their driver's architecture and then the other driver developers not being interested in switching to EGLStreams, NVIDIA's original push for supporting Wayland.

  • NVIDIA Legacy Linux Drivers Updated With Newer Kernel Support

    NVIDIA has issued new releases of its two legacy drivers for Linux.

    The NVIDIA 340.104 driver is now available for older Tesla architecture graphics processors while the NVIDIA 304.137 is out for the GeForce 6 and GeForce 7 generations.

AMD Threadripper 1950X on Linux

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Graphics/Benchmarks
Linux
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