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Graphics: AMDVLK Driver Update, NVIDIA Gives a F About KDE Desktop and "Intel Iris Driver Gets ~5% Performance Boost"

Submitted by Roy Schestowitz on Tuesday 26th of March 2019 02:02:49 PM Filed under
Graphics/Benchmarks
  • AMDVLK 2019.Q1.9 Driver Enables Memory Priority & Budget Extensions Plus Optimizations

    AMD's Vulkan driver team this morning issued their AMDVLK 2019.Q1.9 Linux driver update as the latest tagged release for this official open-source Radeon Vulkan driver that does include a binary driver build for Ubuntu systems.

    The AMDVLK 2019.Q1.9 changes are namely what I talked about last week with enhancing the performance of Mad Max on Linux in CPU-bound scenarios, enabling a skip-fast-clear-eliminate optimization by default, GFX9/Vega changes, and other fixes.

  • NVIDIA Lands Fix To Avoid High CPU Usage When Using The KDE Desktop

    For nearly six years there has been a bug report about high CPU load when using the NVIDIA proprietary driver causing high CPU load when running the KDE desktop and making use of double buffering. This issue has been finally resolved.

    Bug #322060 has finally been closed following a recent commit to KWin by NVIDIA engineer Erik Kurzinger -- this is the same developer working on the EGLStreams code for KDE/KWin, albeit in this case this bug fix is on the X.Org side and unrelated to that effort. The mentioned bug has been open since the summer of 2013 for double buffering with NVIDIA GPUs causing high CPU load. As mentioned in that posting, a workaround has been to set the __GL_YIELD=USLEEP environment variable to avoid the excessive CPU resource usage. But Kurzinger has worked out the underlying issue after the problem eluded KDE developers for years.

  • Intel Iris Driver Gets ~5% Performance Boost With Direct3D 9 Support On Gallium Nine

    The Gallium Nine state tracker providing Direct3D 9 API support for Windows games/applications running on Linux under Wine will now be a little bit faster when using Intel's new Iris Gallium3D driver.

    Simply having access to Gallium Nine is already a big advantage to the new Intel Iris driver where as Intel's current i965 "classic" Mesa driver isn't Gallium3D based and thus doesn't work with the state tracker. While Gallium Nine has been working out well with Iris ever since the state tracker landed NIR support to complement the TGSI IR support but now it's going to be even faster.

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