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Processors

AMD A10-5800K Performance On Ubuntu Linux

Continuing on from last week's initial benchmarks of the AMD A10-5800K Trinity APU on Linux, the Trinity memory performance testing, and then more benchmarks of the Radeon HD 7660D integrated graphics, here is the large Ubuntu Linux comparison of the AMD A10-5800K compared to the previous-generation AMD A8 Llano APU, an AMD FX-Series Bulldozer, and several Intel Core i3/i5/i7 CPUs from the Sandy Bridge and Ivy Bridge families.
12 October 2012 - 10 Comments

AMD A10-5800K "Trinity" APU On Linux

While some information with Windows-based results for AMD's latest-generation "Trinity" desktop APUs have surfaced in the past few days, this morning the full embargo concerning the latest AMD Trinity hardware expires so full details and results can now be shared. In this article are the initial Linux test results of the AMD A10-5800K Trinity APU using Ubuntu at Phoronix.
2 October 2012 - 74 Comments

Intel Core i5 3470

For the past month I have been testing out the Intel Core i5 3470 under Linux. Like Intel's other processors of recent years (well, ignoring the initial Sandy Bridge struggles), and just like the more expensive Ivy Bridge CPUs of this year, this mid-range quad-core processor is working very smoothly "out of the box" on modern Linux distributions.
7 September 2012 - 1 Comment

The ARM Cortex-A9 Can Beat Out The Intel Atom

Here's some interesting test results recently uploaded to OpenBenchmarking.org that compares the performance of ARM Cortex A8 and Cortex A9 cores running at 1.0GHz against an Intel Atom N450. All three systems running at 1.0GHz were also running Gentoo Linux. Clock-for-clock, can the latest-generation ARM Cortex-A9 take out the Intel Atom? For the most part, yes.
3 September 2012 - 40 Comments

Intel Ivy Bridge On Linux Two-Month Redux

It has been 66 days since Intel formally introduced their Ivy Bridge processors as the 2012 successor to Sandy Bridge. My views on Intel Ivy Bridge (specifically the Core i7 3770K model) back on launch-day were very positive in terms of the Linux compatibility, CPU performance, and the HD 4000 graphics capabilities. Since then I've conducted dozens of additional tests looking at the Core i7 Ivy Bridge on Linux in different areas from comparative benchmarks to Microsoft Windows, trying to run BSD operating systems on the latest hardware, looking at the virtualization performance, compiler tuning, etc. Here is a recap of this additional Ivy Bridge testing that has happened over the past two months of near constant benchmarking.
28 June 2012 - 4 Comments

12-Core ARM Cluster Benchmarked Against Atom, Ivy Bridge, Fusion

Last week I shared my plans to build a low-cost, 12-core, 30-watt ARMv7 cluster running Ubuntu Linux. The ARM cluster that is built around the PandaBoard ES development boards is now online and producing results... Quite surprising results actually for a low-power Cortex-A9 compute cluster. Results include performance-per-Watt comparisons to Intel Atom and Ivy Bridge processors along with AMD's Fusion APU.
14 June 2012 - 20 Comments

Intel Support For OpenCL On Linux With Ivy Bridge

The Linux OpenCL support for Intel CPUs is not in as good shape as the Intel Windows OpenCL support at this time, but here are some benchmarks that explore the Intel Ivy Bridge OpenCL performance under Linux.
22 May 2012 - 6 Comments

Intel Core i7 3770K Ivy Bridge Linux Performance

Intel is finally announcing the first Ivy Bridge processors this morning. I have been extensively testing out the Intel Core i7 3770K, the current high-end Ivy Bridge processor, for the past few weeks under Ubuntu Linux. I have been extremely pleased with the Intel Core i7 Ivy Bridge processor under Linux with its phenomenal performance, power efficiency, and new features. This article is the first of many looking at the Linux performance of the new Intel Ivy Bridge processors.
23 April 2012 - 38 Comments

Ubuntu 12.04 KVM/Xen Virtualization: Intel vs. AMD

With the upcoming availability of Ubuntu 12.04 "Precise Pangolin" being a Long-Term Support (LTS) release that will be quickly making its way into many enterprise environments, here's a look at the virtualization performance of this popular Linux distribution. In particular, being looked at is the Linux virtualization performance of KVM, Xen, and Oracle VirtualBox compared to bare metal when using Intel Sandy Bridge Extreme and AMD Bulldozer hardware.
28 March 2012 - 15 Comments

AMD A8-3870K Llano APU Linux Overclocking

Following the interest yesterday from the AMD A8-3870K graphics testing even though this new Llano APU has the same Radeon HD 6550D integrated graphics as the original A8-3850 APU, here's some more information and numbers from the week-old AMD A8-3870K when running the desktop AMD APU under Ubuntu Linux and attempting to overclock this week-old Llano APU.
26 December 2011 - 7 Comments

121 processors articles published on Phoronix.
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