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Linux Graphics and Games

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Graphics/Benchmarks
Gaming
  • Marek Has Been Taking To AMDGPU LLVM Optimizations

    Well known AMD open-source driver developer Marek Olšák has ruthlessly been optimizing the Radeon Mesa driver stack for years. With RadeonSI getting fine-tuned and already largely outperforming the AMDGPU-PRO OpenGL driver and most of the big ticket improvements complete, it appears his latest focus is on further optimizing the AMDGPU LLVM compiler back-end.

    This AMDGPU LLVM compiler back-end is what's used by RadeonSI but is also leveraged by the RADV Vulkan driver, among other potential use-cases. Lately Marek has been filing patches for optimizing the instructions generated during the shader compilation process.

  • FFmpeg Expands Its NVDEC CUDA-Accelerated Video Decoding

    A few days back I wrote about FFmpeg picking up NVDEC-accelerated H.264 video decoding and since then more FFmpeg improvements have landed.

    As mentioned in the earlier article, NVDEC is the newer NVIDIA video decoding interface that is succeeding their Linux-specific VDPAU in favor of the cross-platform, CUDA-based NVIDIA Video Codec SDK. There's also NVENC on the video encode side, while the recent FFmpeg work has been focused on the NVDEC GPU-based video decoding.

  • Intel Batch Buffer Logger Updated For Mesa

    Intel's Kevin Rogovin has been working on a "BatchBuffer Logger" for the Intel graphics driver that offers some useful possibilities for assisting in debugging/analyzing problems or performance penalties facing game/application developers.

    The BatchBuffer Logger is designed to allow correlating API calls to data that in turn is added to a batch buffer for execution by the Intel graphics processor. The logger additionally keeps precise track of the GPU state and can report various metrics associated with each API call.

  • Feral Interactive continues to contribute to Mesa as one of its developers gets commit privileges

    Alex Smith of Feral has been granted the right to push code into Mesa, a continuing sign of the commitment of Feral to Mesa and Vulkan.

    In this recent exchange Feral dev and active Mesa contributor, Alex Smith, has asked and gotten permission to create an account to directly access the Mesa driver’s git. His stated purpose is to provide fixes for Vulkan drivers, so we can take that as a sign that Feral is pretty serious at not only contributing to the open source Mesa project but also at using the Vulkan API in their current and future ports.

  • I played a bit of Die Totenmaske and it was a very strange experience
  • Valve has added 11 new currencies to the Steam Store

    Recent changes to the Steam Store have seen the addition of more local currencies for customers in different regions. Expect to get more bang for your Peso or Dinar.

    Originally tweeted by the excellent SteamDB, it would seem that customers in different regions will be able to buy from the Steam Store using their local currency. This usually means lower prices and no fiddling about with conversion rates for currency and prices are also adjusted for regional standards. The changes went live earlier and users in the affected countries have gotten emails telling them about the new changes to the Steam Store.

  • Trüberbrook, a beautiful adventure game with Linux support, is on Kickstarter

    This story-driven adventure game set in 1960s Germany places you in the role of a young scientist who finds himself having to save the world.

  • Intra-System: Trust Issues fiendishly encourages betrayal, my thoughts on the experience

More in Tux Machines

GNU Compiler and Bison 3.2.2 Release

  • Intel Cascade Lake Support Posted For The GCC Compiler
    Intel developers have submitted their GCC compiler enablement patch for the Cascade Lake 14nm CPUs due out starting in early 2019. The GNU Compiler Collection patch adds support for the -march=cascadelake target for generating optimized code for these upcoming server and enthusiast class processors.
  • Bison 3.2.2 released [stable]
    Bison 3.2 brought massive improvements to the deterministic C++ skeleton, lalr1.cc. When variants are enabled and the compiler supports C++11 or better, move-only types can now be used for semantic values. C++98 support is not deprecated. Please see the NEWS below for more details. Many thanks to Frank Heckenbach for paving the way for this release with his implementation of a skeleton in C++17, and to Nelson H. F. Beebe for testing exhaustively portability issues.

Industrial dev board builds on Raspberry Pi CM3

Kontron announced an industrial-focused “Passepartout” development kit built around a Raspberry Pi Compute Module 3 Light and equipped with a dual Ethernet, HDMI, CAN, 1-Wire, RPi 40-pin connectors. Kontron announced its first Raspberry Pi based product. The Passepartout — which is French for “goes everywhere” and the name of Phileas Fogg’s valet in Jules Verne’s “Around the World in Eighty Days” — builds upon the Linux-driven Raspberry Pi Compute Module 3 Light (CM3L). The Light version lacks the 4GB of eMMC flash of the standard CM3 module but still supports eMMC or microSD storage. The CM3L is otherwise identical, with features including a quad-core, 1.2GHz Broadcom BCM2837 and 1GB of LPDDR2 RAM. Read more

Patches For The Better Spectre STIBP Approach Revised - Version 7 Under Review

Version 7 of the task property based options to enable Spectre V2 userspace-userspace protection patches, a.k.a. the work offering improved / less regressing approach for STIBP, is now available for testing and code review. Tim Chen of Intel sent out the seventh revision to these patches on Tuesday night. Besides the Spectre V2 app-to-app protection modes, these patches include the work for disabling STIBP (Single Thread Indirect Branch Predictors) when enhanced IBRS (Indirect Branch Restricted Speculation) is supported/used, and allowing for STIBP to be enabled manually and just by default for non-dumpable tasks. Read more

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