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Graphics/Benchmarks

xorg-server 21.0.99.902

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Graphics/Benchmarks

This is the second release candidate of Xorg 21.1.0 release.
We have a number of fixes since the first RC.

Alex Richardson (1):
       dix/privates.c: Avoid undefined behaviour after realloc()

Mario Kleiner (6):
       xfree86: Avoid crash in xf86RandR12CrtcSetGamma() memcpy path.
       xfree86: Let xf86RandR12CrtcComputeGamma() deal with non-power-of-2 sizes.
       Revert "modesetting: Only use GAMMA_LUT if its size is 1024"
       modesetting: Enable GAMMA_LUT for lut's with up to 4096 slots.
       modesetting: Handle mixed VRR and non-VRR display setups better.
       modesetting: Consider RandR primary output for selectioh of sync crtc.

Olivier Fourdan (1):
       glamor: Fix leak in glamor_build_program()

Povilas Kanapickas (1):
       xserver 21.1 RC 2

Ray Strode (1):
       xkb: Drop check for XkbSetMapResizeTypes

nerdopolis (1):
       xf86: Accept devices with the 'simpledrm' driver.

git tag: xorg-server-21.0.99.902

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Also: X.Org Server 21.1 RC2 Brings Fix For Mixed VRR/Non-VRR Multi-Monitor Setups - Phoronix

NVIDIA 495 Linux Beta Driver Released

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Graphics/Benchmarks
  • NVIDIA 495 Linux Beta Driver Released With GBM Support - Phoronix

    NVIDIA 495.29.05 is out today as the first public Linux driver in the 495 series.

    Most exciting with the NVIDIA 495.29.05 beta release is GBM API support! After years of waiting and NVIDIA wanting to pursue an alternative API instead after years of pushing EGLStreams, NVIDIA's proprietary driver has finally adopted the Generic Buffer Manager (GBM) API. This greatly enhances the Wayland support for NVIDIA's proprietary driver stack and makes it compatible with a lot more Wayland software. For example, the likes of Sway should now run fine with this new driver.

  • NVIDIA Beta 495.29.05 rolls out with GBM for expanded Wayland support | GamingOnLinux

    NVIDIA has today released the 495.29.05 driver as a Beta in their New Feature Branch and it's a relatively big one.

    The main highlight feature is that NVIDIA has finally added support for the GBM API making it more compatible with Wayland, this is instead of EGLStreams that they were previously pushing. Just another tick in the box for running a Wayland system with NVIDIA with it now using the same API as Mesa with GBM.

9-Way H2'2021 Linux OS Performance Comparison On Intel Xeon Scalable Ice Lake

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Graphics/Benchmarks

While we recently looked at autumn 2021 Linux distributions on Intel Tiger Lake for seeing how these various latest distributions are competing on client platforms, in today's article is a look at how well the latest Linux distributions perform when using the latest-generation Intel Xeon Scalable 3rd Gen "Ice Lake" server hardware with two Xeon Platinum 8380 processors. AlmaLinux, Arch Linux, CentOS Stream, Clear Linux, Debian, Fedora, openSUSE, and Ubuntu were battling it out on this Intel reference server.

The Linux distribution releases being compared for today's performance comparison included...

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Graphics: OpenCL, Mesa, Vulkan

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Graphics/Benchmarks
  • Portable Computing Language 1.8 Released For OpenCL On CPUs, Other Accelerators - Phoronix

    PoCL is the open-source project implementing OpenCL for CPU-based execution as well as multi-device support by getting its Portable Computing Language implementation working atop NVIDIA GPUs via CUDA, AMD GPUs via HSA, and other back-ends by way of LLVM. PoCL 1.8 is out today as the newest feature release.

  • Mesa 21.3 Fixes Issue Of Some Games Having Transparency Issues Under Wayland - Phoronix

    Landing in time for the imminent Mesa 21.3 feature freeze / code branching is support for the EGL_EXT_present_opaque extension on Wayland. While this EGL extension may not sound too exciting, for some OpenGL games on Wayland it will address some transparency issues.

    The issue stems from this issue ticket opened during the summer by game porter Ethan Lee. The issue is around needing an EGL equivalent to VkCompositeAlphaFlagBitsKHR as "we've got a whole lot of games that are unintentionally translucent in Wayland." Portal 2 is among the games as a result having issues under native Wayland.

  • Vulkan 1.2.196 Introduces H.265 Encode Extension - Phoronix

    Arriving back in April were the initial Vulkan Video extensions that included support for video decode of H.264 and H.265 while the initial video encode support was limited to H.264. Out today with Vulkan 1.2.196 is the new extension allowing for H.265 encoding with this new industry-standard video API.

    Vulkan 1.2.196 introduces the provisional VK_EXT_video_encode_h265 extension. This extension was worked on by AMD, Intel, and NVIDIA but at least under Linux only the NVIDIA proprietary driver currently exposes Vulkan Video encode/decode support. Presumably this morning NVIDIA will be issuing a new Vulkan beta driver providing timely support for this new H.265 encode provisional extension.

AMD Radeon RX 6600 Linux Performance

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Graphics/Benchmarks

Today AMD is officially launching the Radeon RX 6600 graphics card as a trimmed down model from the Radeon RX 6600 XT that launched back in August. This new (non-XT) model has a suggested price of $329 USD and here is a look at how well this RDNA2 graphics card is performing under Linux.

The AMD Radeon RX 6600 graphics card features 28 compute units, 1792 stream processors, a 2044MHz game clock with up to 2491MHz boost clock, 8GB of GDDR6 video memory, and 32MB infinity cache.

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Intel Tiger Lake Performance Across Five Autumn 2021 Linux Distributions

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Graphics/Benchmarks

Earlier this month were benchmarks looking at how Intel Tiger Lake performance has improved from Ubuntu 21.04 to Ubuntu 21.10, but how does Canonical's latest Linux offering compete with other autumn 2021 distributions? In this article from the Dell XPS Core i7-1165G7 Tiger Lake notebook are benchmarks of Ubuntu 21.10 going up against Arch Linux, Clear Linux, Fedora Workstation 35, and openSUSE Tumbleweed for getting an idea how the performance compares with this latest-generation Intel EVO notebook.

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Ubuntu 19.10 To 21.10: AMD Zen 2 + Radeon Performance On Linux Over Two Years

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Graphics/Benchmarks
Ubuntu

With Ubuntu 21.10 due for release this week I've been running various Ubuntu Linux performance comparisons across a variety of hardware and overall this new release is looking to be in great shape. One of the tests I recently carried out for curiosity is seeing how the AMD Zen 2 performance has evolved now over the past two years on Linux going from Ubuntu 19.10 to Ubuntu 21.10.

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Kernel-Level Graphics: AMD, X, Mesa and More

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Graphics/Benchmarks
  • A Big Batch Of AMD Graphics Driver Updates Just Sent Out For Linux 5.16 - Phoronix

    Building off the earlier DRM-Next staged code from last month that brought initial DisplayPort 2.0 support and other feature work, another feature pull request was submitted today of additional AMD Radeon "AMDGPU" kernel driver changes slated for Linux 5.16.

    Alex Deucher has sent out another big batch of AMDGPU/AMDKFD driver updates destined for Linux 5.16. Feature work is beginning to wind down as the DRM-Next cutoff approaches ahead of next month's Linux 5.15 merge window while we'll see if any additional feature code tries to make it in ahead of time.

  • Radeon Gallium3D Picks Up A Nice Performance Optimization For iGPU/dGPU PRIME Setups - Phoronix

    The AMD Radeon Gallium3D driver code today landed a nice optimization for benefiting PRIME setups with integrated and discrete Radeon GPUs.

    With this latest code for Mesa 21.3-devel to the RadeonSI driver, copies from the discrete GPU to the integrated GPU for presentation on the screen are now done asynchronously. These async copies are done using the SDMA engine and in turn allows the discrete GPU to handle more work. An Async compute context is also used as a fallback to async SDMA copies. The patch summed it up quite simply, "Doing this copy using SDMA frees up the dGPU to do more interesting things while the copy is happening; for instance the rendering of the next frame."

  • X.Org Modesetting Driver Will Now Better Handle Multi-Montior Mixed-VRR Setups - Phoronix

    The xf86-video-modesetting DDX driver that is commonly in use for systems running an X.Org Server will soon find better support if you have a multi-monitor configuration where only some displays can support variable rate refresh (VRR / Adaptive-Sync / FreeSync).

    When the X.Org modesetting driver currently encounters a multi-monitor system where some displays are VRR capable and others not, the VRR-capable property was being set simply on whatever the last added DRM output could support. So depending upon whether the VRR-capable monitor was plugged in last or not would impact whether you could make use of it with this generic driver.

  • Mesa 21.3 Enables NGG Culling By Default For RDNA2 GPUs - Phoronix

    The Radeon Vulkan driver "RADV" within Mesa 21.3 is enabling NGG culling by default for Radeon RX 6000 series (RDNA2) GPUs and newer as another performance win.

    NGG culling was added to RADV this summer but initially only exposed as an opt-in feature via environment variable. This NGG-powered removal of unneeded triangles during rendering is also supported on RDNA1 / Navi 1x GPUs but is not being enabled by default -- our own tests with Navi 1x have confirmed the results to be a wash while the support is in good standing for the latest-gen GPUs.

  • AMD publishes GPUFORT as Open Source to address CUDA’s dominance

    NVIDIA dominates the parallel computing industry largely thanks to its own solution, CUDA. In response to this domain, AMD has published the source code of GPUFORT , a project that will be under Radeon Open eCosystem (ROCm) and that aims to offer a translation tool so that large code bases in CUDA can work outside of the closed ecosystem. of the green giant.

    The domain of CUDA and the fact that it is proprietary and owned by NVIDIA greatly limits the ability of developers to migrate to an alternative, so AMD has been working for a long time on mechanisms that help migrate specific CUDA code to interfaces compatible with its parallel computing stack supported by Radeon technology.

    Most of AMD’s efforts so far have focused on code written in C and C ++. GPUFORT, for its part, is to provide support for the translation from source to source ( source to source ) of CUDA Fortran and Fortran code based on OpenACC to OpenMP 4.5+ for execution on GPU or Fortran + HIP C ++ code .

AMD Ryzen 9 5900HX / ASUS ROG Strix G15 Is A Nicer Experience On Ubuntu 21.10

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Graphics/Benchmarks

Earlier this week I posted benchmarks showing how Intel Tiger Lake performance has improved nicely for Ubuntu 21.10 compared to Ubuntu 21.04. Of course, readers immediately wondered whether this also applied on the AMD laptop side... So here are some tests using an AMD Ryzen 9 5900HX with the ASUS ROG Strix G15 AMD Advantage laptop under Ubuntu 21.04, Ubuntu 21.10, and then also looking at running Linux 5.15 + Mesa 21.3-devel Git for an even more bleeding edge experience.

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NVIDIA Driver Releases

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Graphics/Benchmarks
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today's leftovers

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    The primary change in this release of my Kerberos PAM module is support for calling pam_end with PAM_DATA_SILENT. I had not known that the intent of this flag was to signal that only process resources were being cleaned up and external resources should not be (in part because an older version of the man page doesn't make this clear).

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Digital Restrictions (DRM) on Printers