1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

The Weakest Spot Of The AMD Gallium3D Driver

AMD

Published on 12 September 2012 11:45 AM EDT
Written by Michael Larabel in AMD
2 Comments

In the discussion about the latest AMD R600g driver improvements by Marek Olšák, the prolific independent contributor shares some of his personal views on the open-source graphics driver itself.

There's this forum thread talking about the latest work done by Marek Olšák, which was cleaning up and re-factoring parts of the driver -- just one of many accomplishments by the student developer for the open-source AMD driver.

When asked by a Phoronix reader if there was anything he wish he could do to the R600g code-base and if he had an infinite amount of time to work on any one piece of the driver, like a serious core design flaw, he had an interesting response:
Nothing big comes to my mind right now. R600g certainly needs a good optimizing compiler, it's the weakest spot of the driver. Most of the design flaws have been either fixed already or are in the process of being fixed.
From Marek's perspective, the biggest issue is the lack of a good optimizing compiler for R600g, which would be something big to tackle.

Another Phoronix reader then chimed in, "Jérome said, more than one year ago, that the kernel interface is quite bad and is (or will be) a bottleneck. But it's really hard to heavily modify this." Marek's response to this was, "I think the kernel interface is quite good. Jerome just likes to rewrite things from scratch. It's a sport for him. Most of the kernel code is executed in another thread and runs in parallel with Mesa most of the time. You wouldn't probably even notice if the kernel code were twice as slow."

Join the conversation.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
Latest Linux Hardware Reviews
  1. AMD R600g/RadeonSI Performance On Linux 3.16 With Mesa 10.3-devel
  2. Intel Pentium G3258 On Linux
  3. SilverStone Precision PS10
  4. ASRock Z97 Extreme6
Latest Linux Articles
  1. Nouveau vs. Radeon vs. Intel Tests On Linux 3.16, Mesa 10.3-devel
  2. KVM Benchmarks On Ubuntu 14.10
  3. X.Org Server 1.16 Officially Released With Terrific Features
  4. Ubuntu With Linux 3.16 Smashes OS X 10.9.4 On The MacBook Air
Latest Linux News
  1. A New Video Has Us Real Excited About The New UT For Linux
  2. CoreOS Experiences Its First Stable Release
  3. GNOME 3.13.4 Continues Working On Wayland & More
  4. Wine 1.7.23 Has Initial Support For 64-bit Android Builds
  5. FreeBSD Developing A New Automounter, Other Features
  6. Guix 0.7 Can Now Install The GNU Operating System
  7. X.Org Foundation Still Works Towards Becoming An SPI Project
  8. Open-Source AMD Hawaii Support Should Now Be Working!
  9. KDE Developers Continue Working Toward Wayland Support
  10. Ubuntu 14.04.1 LTS Released
Latest Forum Discussions
  1. Updated and Optimized Ubuntu Free Graphics Drivers
  2. AMD "Hawaii" Open-Source GPU Acceleration Still Not Working Right
  3. Radeon related kernel bug??
  4. how the US intellegentia operates:
  5. AMD Publishes Open-Source Linux HSA Kernel Driver
  6. Next-Gen OpenGL To Be Announced Next Month
  7. Open-Source Radeon Performance Boosted By Linux 3.16
  8. Remote gui not accessible in Phoronix Test Suite 5.2