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

Haswell's Resource Streamer Still Being Poked On Linux

Intel

Published on 09 October 2013 12:07 AM EDT
Written by Michael Larabel in Intel
Comment On This Article

Patches are still baking to enable the use of Haswell's Resource Streamer by the open-source Intel Linux graphics driver. The resource streamer that's new to Haswell processors have the ability of accelerating certain commands that otherwise take time on the CPU.

Back in early July was the initial work on Haswell's Resource Streamer. The resource streamer can accelerate commands that otherwise are on the CPU and take time to build-up until submitting to the GPU. For Haswell's resource streamer it can take the process of generating binding tables and constant buffers and offload all that work straight away to the resource streamer rather than the CPU.

The resource streamer has the potential to be of a performance benefit but in its initial form didn't provide much in the way of real-world performance benefits. The initial patches also caused random GPU lock-ups and were never merged.

Three months later to the day, Intel's Abdiel Janulgue has published his second version of the Haswell Resource Streamer patches for the Intel Mesa driver. This work requires sixteen Intel Mesa driver patches plus other Mesa and Linux kernel (Intel DRM) patches that were previously posted. The hard lock-ups should now be resolved and in acknowledging this as an experimental feature, the support is hidden behind a new environment variable "INTEL_RESOURCE_STREAMER=1" that must be set.

The latest Intel Haswell Resource Streamer patches can be found on the mesa-dev mailing list.

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. Acer B286HK: A 28-inch UHD LED 4K Monitor For As Low As $350
  2. Intel Xeon E5-1680 v3 & E5-2687W v3 Compared To The Core i7 5960X On Linux
  3. Intel 120GB 530 Series SSD Linux Performance
  4. Btrfs/EXT4/XFS/F2FS RAID 0/1/5/6/10 Linux Benchmarks On Four SSDs
Latest Linux Articles
  1. Mesa Git Yields Performance Improvements For Newer AMD GPUs
  2. Apple OS X 10.10 vs. Ubuntu 14.10 Performance
  3. Mesa 10.5-devel Brings Some Intel Haswell HD Graphics Changes Over Mesa 10.3
  4. NVIDIA vs. Nouveau Drivers With Linux 3.18 + Mesa 10.4-devel
Latest Linux News
  1. Devuan: Debian Without Systemd
  2. Wine 1.7.32 Updates Its Mono Engine
  3. Mesa 10.4 Release Candidate 3 Is Here For Weekend Testing
  4. GenodeOS 14.11 Now Supports Intel's Wireless Hardware
  5. Jolla Tablet Could Have Upgrades For MicroSDHC, Split Screen, 3.5G
  6. Intel Has Last Round Of DRM Changes For Linux 3.19, Starts Dropping DRI1/UMS
  7. Fedora 21 Release Candidate 1 Awaits Your Testing
  8. GCC 5 Adds Support For ARM's Cortex-A17
  9. KWayland Server Component Coming For KDE Plasma 5.2
  10. NVIDIA Posts Tegra Gallium3D Patch For K1+ Support
Latest Forum Discussions
  1. Aliens vs predator for Linux
  2. Updated and Optimized Ubuntu Free Graphics Drivers
  3. Hurrican SDL Port
  4. Roadmap to Catalyst 14.10 ?
  5. how to configure module phoromatic ?
  6. PulseAudio 6.0 Is Coming & Other Linux Audio Plans For The Future
  7. Debian Developer Resigns From The Systemd Maintainership Team
  8. Cant get working Kaveri APU - A10-7850k