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

How Intel's MIC Co-Processors Work On Linux

Intel

Published on 17 October 2013 12:47 AM EDT
Written by Michael Larabel in Intel
Comment On This Article

For those curious about how Intel's Many Integrated Core Architecture, in particular the Xeon Phi, works on Linux and can be taken advantage of for multi-threaded programming, here's a guide.

As another one of the interesting presentations last month from LinuxCon North America with the slides now being available, Nikhil Rao of Intel covered their MIC co-processors and how the Xeon Phi is supported under Linux.

The Xeon Phi with up to 61 cores and 244 threads while packing up to 16GB of onboard memory makes it quite a beast. Each Xeon Phi card runs Linux and is IP addressable and can deliver 1 TeraFLOPs double-precision peak performance. Intel's Xeon Phi supports offload, native, and symmetric programming models for taking advantage of the many-core architecture. For managing the Xeon Phi hardware there's VirtIO-based virtual device support and PCI Express messaging / RDMA APIs.

Intel hopes to land co-processor OS state management and the VirtIO device support into the Linux 3.13 kernel. There's also additional work planned around SCIF and DMA engine and usage in the VirtIO code. The Linux driver code was previously talked about on Phoronix last summer for the Xeon Phi.

Those wanting plenty of low-level details on the Xeon Phi / Intel MIC can see the LinuxCon PDF slides.

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. Preview: AMD's FX-9590 Eight-Core At Up To 5.0GHz On Linux
  2. Intel Launches The Core i7 5960X, Mighty Powerful Haswell-E CPUs
  3. AMD Radeon R9 290: Gallium3D vs. Catalyst Drivers
  4. AMD Radeon R9 290 Open-Source Driver Works, But Has A Ways To Go
Latest Linux Articles
  1. How Intel Graphics On Linux Compare To Open-Source AMD/NVIDIA Drivers
  2. The Fastest NVIDIA GPUs For Open-Source Nouveau With Steam Linux Gaming
  3. Testing For The Latest Linux Kernel Power Regression
  4. The Most Energy Efficient Radeon GPU For AMD Linux Gaming
Latest Linux News
  1. Nouveau X.Org Driver Released With DRI3+Present, Maxwell, GLAMOR
  2. Microsoft & AMD Release C++ AMP Compiler With Linux Support
  3. AMD, Wine & Valve Dominated August For Linux Users
  4. Linux 3.17-rc3 Kernel Released Back On Schedule
  5. Lennart Poettering Talks Up His New Linux Vision That Involves Btrfs
  6. Mesa 10.3 RC2 Arrives Via Its New Release Manager
  7. Ubuntu 14.10's Lack Of X.Org Server 1.16 Gets Blamed On AMD
  8. MSI Motherboard BIOS Updating Remains A Pain For Linux Users
  9. See How Your Linux System Performs Against The Latest Intel/AMD CPUs
  10. AMD Steppe Eagle Flys To Coreboot
Latest Forum Discussions
  1. Lennart Poettering Talks Up His New Linux Vision That Involves Btrfs
  2. Updated and Optimized Ubuntu Free Graphics Drivers
  3. AMD Releases UVD Video Decode Support For R600 GPUs
  4. SSD seems slow
  5. Is laptop with Intel CPU and AMD dGPU worth buying considering especially AMD Enduro?
  6. Radeon HD5670 and Ubuntu 14.04
  7. Btrfs Gets Talked Up, Googler Encourages You To Try Btrfs
  8. Updated graphics drivers for Ubuntu 12.04 Precise LTS