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

IBM Continues Work On POWER8 In Linux 3.9 Kernel

Hardware

Published on 24 February 2013 07:26 AM EST
Written by Michael Larabel in Hardware
Comment On This Article

The PowerPC architecture update for the Linux 3.9 kernel is made up mostly of bug-fixes and minor updates, but there are a few highlights. Most of the major work revolves around the yet-to-be-released POWER8 hardware.

The highlights for the PowerPC architecture with the forthcoming Linux 3.9 kernel include a hand-tuned SHA1 implementation written in Assembly for PPC, support for doorbell interrupts on POWER8 (they're a kind of fast thread-thread IPIs), support for saving/restoring and context switching with the Processor Priority Register (PPR), DAWR watch-point facility on POWER8, support for changing the Data Stream Control Register, support for context switching the TAR register on POWER8, improved preservation of the CFAR register, and support for Transactional Memory on POWER8.

As one can see, most of the PowerPC work queued up for Linux 3.9 is about POWER8, the latest-generation of the PowerPC architecture. IBM is still developing POWER8 and it offers improved simultaneous multi-threading (SMT), greater reliability, larger cache sizes, new accelerators, and a greater number of cores. POWER8 processors will begin appearing in late 2013 or early 2014. IBM POWER8 support first appeared in Linux 3.8.

The pull request for the PowerPC updates to go into Linux 3.9 were sent in on Saturday and can be viewed on the Indiana kernel 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. MSI X99S SLI PLUS On Linux
  2. NVIDIA GeForce GTX 970 Offers Great Linux Performance
  3. CompuLab Intense-PC2: An Excellent, Fanless, Mini PC Powered By Intel's i7 Haswell
  4. From The Atom 330 To Haswell ULT: Intel Linux Performance Benchmarks
Latest Linux Articles
  1. RunAbove: A POWER8 Compute Cloud With Offerings Up To 176 Threads
  2. 6-Way Ubuntu 14.10 Linux Desktop Benchmarks
  3. Ubuntu 14.10 XMir System Compositor Benchmarks
  4. Btrfs RAID HDD Testing On Ubuntu Linux 14.10
Latest Linux News
  1. openSUSE Factory & Tumbleweed Are Merging
  2. More Fedora Delays: Fedora 21 Beta Slips
  3. Mono Brings C# To The Unreal Engine 4
  4. Coreboot Now Has Support For Intel Broadwell Hardware
  5. Enlightenment's EFL 1.12 Alpha Has Evas GL-DRM Engine, OpenGL ES 1.1 Support
  6. GTK+ Lands Experimental Backend For Mir Display Server
  7. Ubuntu 14.10 Officially Released
  8. Mesa 10.4 Might Re-Enable HyperZ For R600g/RadeonSI
  9. Intel GVT-g GPU Virtualization Moves Closer
  10. GTK+ 3.16 To Bring Several New Features
Latest Forum Discussions
  1. Updated and Optimized Ubuntu Free Graphics Drivers
  2. Ubuntu 16.04 Might Be The Distribution's Last 32-Bit Release
  3. Linux hacker compares Solaris kernel code:
  4. HOPE: The Ease Of Python With The Speed Of C++
  5. Advertisements On Phoronix
  6. Users/Developers Threatening Fork Of Debian GNU/Linux
  7. AMD Releases UVD Video Decode Support For R600 GPUs
  8. Proof that strlcpy is un-needed