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Display Drivers

Intel SNA With Unity, Unity 2D & GNOME Shell

After the benchmarks a few days back of Intel Sandy Bridge Acceleration On Non-SNB Hardware, Chris Wilson of Intel who has been responsible for much of the "Sandy Bridge New Acceleration" work requested more tests, but this time to see the effect that the compositing window manager has on this new acceleration architecture. As a result, here is some quick tests of Intel's Sandy Bridge graphics under the Unity, Unity 2D, and GNOME Shell desktops.
11 September 2011 - 4 Comments

Intel Sandy Bridge Acceleration On Non-SNB Hardware

Last week benchmarks were published of Intel's New Sandy Bridge Acceleration architecture (SNA) that showed several performance improvements for 2D and 3D, but the new acceleration architecture still wasn't mature with a few regressions compared to the normal UXA back-end. While the focus of this SNA support is on speeding up operations for Sandy Bridge (SNB) and forthcoming Ivy Bridge (IVB) hardware, SNA is supported for older Intel graphics processors too. Here are some benchmarks of the Sandy Bridge New Acceleration architecture when using the Ironlake and Gen3 back-ends.
8 September 2011 - 8 Comments

TimeGraph: A Linux GPU Command Scheduler

In preparing for XDC2011 Chicago, the X.Org developers' summit that begins in just ten days that I have organized, the schedule is being worked out at the moment. One of the items that is set to be talked about at XDC2011 during the Nouveau driver discussion is TimeGraph. This is an open-source GPU command scheduler that sounds fairly interesting.
2 September 2011 - 9 Comments

Intel's New SNB Acceleration Architecture Still Maturing

In early June there was the introduction of the Sandy Bridge New Acceleration Architecture by Intel that dramatically excelled the 2D and 3D performance of their processor graphics on their Sandy Bridge hardware along with previous-generation IGPs. Here is a look at how the SNA acceleration architecture is performing today.
31 August 2011 - 8 Comments

AMD Llano Graphics Battle: Gallium3D vs. Catalyst

A month ago we looked at the Radeon HD 6550D graphics performance from the AMD Fusion A8-3850 (a new "Llano" APU) under Linux when using the Catalyst driver. However, bugs at the time had barred a comparison of the Llano graphics under Linux with the open-source Mesa/Gallium3D driver. Fortunately, we now have a working open-source Radeon driver configuration to deliver these comparative AMD Llano Linux OpenGL benchmarks.
26 August 2011 - 4 Comments

Tweaks To Extend The Battery Life Of Intel Linux Notebooks

While the Linux power consumption may be up on recent kernels depending upon your hardware configuration, there's a few known but not too commonly used tweaks for reducing your system power consumption and extending your battery life when using Intel integrated graphics on your favorite Linux distribution.
24 August 2011 - 16 Comments

AMD's Open-Source Radeon Driver After Four Years

While the BFS scheduler is getting ready to celebrate its second birthday, in just three weeks AMD's open-source Radeon graphics driver strategy for Linux will be turning four years old. It was on the 6th of September in 2007 that I exclusively broke the news to the world on AMD's open-source strategy, which has ended up being a game-changer in the Linux world. AMD continues to support open-source hardware enablement on their latest graphics processors and recently even hired more developers to work on the code and documentation. How far have they come though in four years?
17 August 2011 - 36 Comments

Nouveau GeForce 400/500 Fermi On Linux 3.1

Besides boosting the Intel Sandy Bridge performance, the Linux 3.1 kernel is also great for open-source graphics in that it has improved support for NVIDIA GeForce 400/500 "Fermi" graphics cards via the reverse-engineered Nouveau driver. The Linux kernel has already supported kernel mode-setting for these GPUs and then more recently there was 2D/X-Video acceleration as well as 3D acceleration when paired with the Nouveau Gallium3D "NVC0" driver. The accelerated support though has required manually extracting the graphics processor's microcode after the GPU was initialized by the proprietary driver. With the Linux 3.1 kernel, Nouveau can generate its own "FUC" microcode to circumvent this problem. In other words, there is now "out of the box" open-source support for NVIDIA GeForce 400/500 graphics cards.
5 August 2011 - 11 Comments

Intel Sandy Bridge Speeds Up On Linux 3.1 Kernel

Last week the DRM pull went in for the Linux 3.1 kernel. For the Intel DRM graphics driver in the Linux kernel there is frame-buffer compression clean-ups, high color support, ring frequency scaling, shared LLC support, and hang-check module disabling. Compared to the Linux 3.0 kernel, the driver improvements significantly boost the open-source graphics performance for Intel Sandy Bridge hardware.
3 August 2011 - 16 Comments

Mesa 7.11 Brings Much-Needed Linux Graphics Driver Improvements

After a short delay, Mesa 7.11 has been released. This is the user-space library for providing OpenGL support under Linux for the open-source Intel, ATI/AMD, and NVIDIA drivers, among other hardware and software-based drivers. The Mesa 7.11 release also offers updates to the Gallium3D driver architecture. Here is some of what you can expect to find on Mesa 7.11.
1 August 2011 - 4 Comments

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