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

LLVM Back-End For Gallium3D Almost There

X.Org

Published on 28 December 2008 07:34 PM EST
Written by Michael Larabel in X.Org
11 Comments

While Tungsten's Gallium3D architecture is still a ways out from being used by most open-source graphics drivers and then being picked up by end-users, it continues to pickup new technical features. Corbin Simpson and Stephane Marchesin that work on the Radeon and Nouveau projects, respectively, have been working to building LLVM back-ends for Gallium3D. Corbin is a step closer to getting his LLVM compiler working: it now builds, but it ends with a segmentation fault.

LLVM, or the Low-Level Virtual Machine, is a compiler infrastructure written in C++ but can handle building programs in other languages too. LLVM is being used by Gallium3D for optimization purposes and using a real compiler to compile the shaders for the GPU. Corbin's LLVM back-end has been for an R300 vertex shader. We first talked about LLVM and Gallium3D back in February with the possibility of a GPGPU API in Gallium3D.

There's still plenty of work ahead, but this is a step in the right direction. Some other recent activity with the Gallium3D project includes the Nouveau driver being merged in Gallium3D v0.2, Generic Gallium3D Video Decoding, and new APIs coming to Gallium3D.

Confirmation of Corbin's initial R300 LLVM back-end building can be found on dri-devel. More on Gallium3D's LLVM can be found in this header file. For more on the Low-Level Virtual Machine Compiler Infrastructure, check out its web-site.

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 Articles & Reviews
  1. Intel Broadwell: GCC 4.9 vs. LLVM Clang 3.5 Compiler Benchmarks
  2. Ubuntu vs. Fedora Linux On Lenovo's X1 Carbon With Core i7 Broadwell
  3. Ubuntu 15.04 Is The Easy Path To Better Performance On Intel Broadwell
  4. NVIDIA's Latest Maxwell Line-Up Against AMD With Catalyst On Linux
  5. Preliminary Tests Of Intel Sandy Bridge & Ivy Bridge vs. Broadwell
  6. AMD FX-8320E Performance On Linux
Latest Linux News
  1. I Switched (Back) Over To Fedora As My Main OS & It's Going Great!
  2. Windows 10, PS4, C4 & Systemd News Kicked Off 2015
  3. Calamares 1.0 Distribution-Independent Installer Framework Released
  4. Librem 15 Linux Laptop Set To Close At Around $400k USD
  5. Virtual GEM To Increase Mesa's Software Rasterizer Performance
  6. Open Lunchbox: Yet Another Open-Source Laptop Attempt
  7. Wayland/Weston 1.7 Release Candidate
  8. Bugzilla 5.0 Is Coming Soon With New Features
  9. Linux Benchmarking... Even Faster & A Very Interesting February
  10. Does VirtualBox VM Have Much A Future Left?
Most Viewed News This Week
  1. PlayStation 4 System Compiler Support Landing In LLVM
  2. Does VirtualBox VM Have Much A Future Left?
  3. Linux "GHOST" Vulnerability Hits Glibc Systems
  4. LibreOffice 4.4 Is Coming Soon With New Features
  5. LLVM Adds Options To Do Fuzz Testing
  6. Broadwell Linux Ultrabook Running MUCH Cooler Than Haswell
  7. LibreOffice 4.4 Released With Better OOXML Support, UI Improvements
  8. Inkscape 0.91 Goes Through C++ Code Conversion, New Cairo Rendering, OpenMP Filters