Software Archives
AHCI vs. IDE Modes With A SATA 3.0 SSD On Linux

Days ago benchmarks were shared from that compared AHCI and IDE modes under Linux when it came to the resulting disk performance. There was a fair amount of interest generated out of that so some AHCI vs. IDE mode comparisons from a Serial ATA 3.0 SSD on an Ubuntu Linux host were benchmarked at Phoronix.

5 August 2012 - 17 Comments
Intel Ivy Bridge Is Okay On Linux Power Usage

With talk of a massive power regression in the recently released Linux 3.5 kernel, yesterday I began benchmarking some different systems with varying versions of the Linux kernel looking for any new kernel power regressions on different hardware.

31 July 2012 - 1 Comment
Phoronix Test Suite 4.0 Advances Linux Benchmarking

Phoronix Test Suite 4.0-Suldal expands the capabilities of Phoronix Media's leading open-source, multi-platform testing software to advance the areas of standardized automated benchmarking, per-commit regression testing, and performance efficiency monitoring.

23 July 2012 - 2 Comments
Ubuntu 12.10: Linux KVM vs. Xen Virtualization Preview

With Ubuntu 12.10 coming up in just a few months, here are our first virtualization benchmarks from the forthcoming "Quantal Quetzal" operating system. Compared in this article is the raw/bare-metal performance to Linux KVM and Xen virtualization from the latest Linux 3.5 kernel.

16 July 2012 - 18 Comments
ZFS On Linux With Ubuntu 12.04 LTS

It has been a while since last benchmarking the ZFS file-system under Linux, but here's some benchmarks of the well-known Solaris file-system on Ubuntu 12.04 LTS and compared to EXT4 and Btrfs when using both a hard drive and solid-state drive.

27 June 2012 - 41 Comments
AMD OpenCL APP SDK Beats Intel's Own SDK On Ivy Bridge

Here are some OpenCL benchmarks from the Intel Ivy Bridge CPU. Being compared though is AMD's APP SDK, which does support running OpenCL on x86 CPUs, to Intel's CPU-based OpenCL SDK for Linux. To some surprise, AMD's Accelerated Parallel Processing SDK when using the Ivy Bridge CPU is actually faster than the Intel OpenCL SDK on the same hardware.

13 June 2012 - 13 Comments
Unity 5.12 Fixes Ubuntu OpenGL Performance Problems

Issued as a stable release update to Ubuntu 12.04 LTS last week was Unity 5.12. Aside from offering some minor usability enhancements and various fixes, Unity 5.12 should fix some of the OpenGL performance problems that many users have experienced -- and multiple Phoronix articles have noted the OpenGL performance slowdown -- so here's some tests seeing how Unity 5.12 now affects the OpenGL gaming performance.

11 June 2012 - 9 Comments
Compiler Tuning With Intel Ivy Bridge Processors

In this article is a look at the impact that compiler tuning has for the latest-generation Intel Ivy Bridge processors. Being tested is the GNU Compiler Collection (GCC) while passing various architecture flags to look at the impact they have on the results.

5 June 2012 - 3 Comments
Intel Ivy Bridge Linux Virtualization Performance

As the latest Intel Ivy Bridge numbers to push out, here is a look at the Linux virtualization performance with the Core i7 3770K processor when comparing its raw/bare-metal performance to Linux KVM (Kernel-based Virtual Machine) virtualization and Oracle VM VirtualBox under Ubuntu 12.04 LTS.

31 May 2012 - 7 Comments
11-Way Intel Ivy Bridge Compiler Comparison

From an Intel Core i7 3770K "Ivy Bridge" system here is an 11-way compiler comparison to look at the performance of these popular code compilers on the latest-generation Intel hardware. Among the compilers being compared on Intel's Ivy Bridge platform are multiple releases of GCC, LLVM/Clang, DragonEgg, PathScale EKOPath, and Open64.

30 May 2012 - 32 Comments
XFS, Btrfs, EXT4 Battle It Out On Linux 3.4

Following the Linux 3.4 kernel benchmarks from last week, available now are the results from a three-way file-system comparison using the Linux 3.4 kernel as well as the Linux 3.2 and 3.3 kernels for reference. The three file-systems being pitted against each other are Btrfs, EXT4, and XFS.

29 May 2012 - 10 Comments
Intel Ivy Bridge: Unity/Compiz Continues To Impair The Linux Desktop

As the latest Intel Ivy Bridge Linux graphics benchmarks to publish, here is a comparison of some of the different desktop environment options of Ubuntu 12.04 LTS when using the Intel Linux graphics driver on the Core i7 3770K with its HD 4000 graphics. The desktop environments being compared include Unity, Unity 2D, KDE, and Xfce. The default Ubuntu Unity desktop with Compiz continues to have problems for the open-source friendly company's drivers.

28 May 2012 - 26 Comments
Linux 3.4 Kernel Benchmarks

Here's a look at the performance of the Linux 3.4 kernel, which was recently released, compared to all major kernel releases going back to Linux 2.6.39. Multiple kernel sub-systems are being compared in this round of Intel Linux benchmarking.

25 May 2012 - 6 Comments
Preview: EKOPath Benchmarks On AMD's Bulldozer

It has been a while since last running any tests of PathScale's EKOPath compiler, but in this preview article are some AMD FX-8150 "Bulldozer" benchmarks of the EKOPath compiler compared to GCC 4.7.0, LLVM/Clang 3.1 SVN, and AMD Open64 4.5.1.

28 April 2012 - 7 Comments
Tweaking KDE's KWin For Linux Gaming Performance

After looking recently at the impact on performance and power consumption of various Linux desktop environments running under Ubuntu 12.04 (Unity, Unity 2D, GNOME Shell, KDE, Xfce, LXDE, and Openbox), there were requests by many Phoronix readers to look at the impact of KDE on 3D gaming. KDE's KWin compositing window manager offers several options that can be easily changed that have a direct result on the Linux system's performance for full-screen OpenGL games.

19 April 2012 - 19 Comments
AMD's FX-8150 Bulldozer Benefits From New Compilers, Tuning

After looking at how Intel's Sandy Bridge processor performance has evolved with the new GCC 4.7 compiler and Apple's forthcoming LLVM 3.1 with Clang, here are benchmark results from the AMD FX-8150 "Bulldozer" Eight-Core processor with GCC 4.7.0 and the latest LLVM/Clang 3.1 development code along with looking at the performance impact of various compiler tuning flags for this latest-generation AMD CPU. Making things even more interesting, AMD's Open64 4.5.1 compiler was also tossed into the testing mix.

18 April 2012 - 40 Comments
GCC 4.7 Compiler Performance On AMD FX-8150 Bulldozer

While we have seen that Intel's Sandy Bridge is doing well on the new GCC 4.7 compiler, has AMD's Bulldozer CPU architecture advanced at all for this leading multi-platform compiler? Up today are benchmarks of GCC 4.7.0 -- with comparative benchmarks going back to GCC 4.4 -- from an AMD FX-8150 Eight-Core Bulldozer setup.

6 April 2012 - 7 Comments
Apple's LLVM 3.1 Clanging On Intel Sandy Bridge

After delivering benchmarks in March showing the performance gains of GCC 4.7 on Intel's Sandy Bridge processors, here's a look at how the latest LLVM/Clang 3.1 compiler from Apple is shaping up for these latest Intel CPUs.

2 April 2012 - 14 Comments
A Call To "Kill All Proprietary Drivers For Good"

Next week at the 6th annual Linux Foundation Collaboration Summit in San Francisco, two Qualcomm Atheros engineers will be speaking about their Linux device driver development experiences and will go as far as calling for all proprietary drivers to be killed for good. They talk not just about killing proprietary drivers for Linux, but for all operating systems. Can the plans they lay out to kill all proprietary drivers work or is this just a big pipe-dream?

29 March 2012 - Add A Comment
Running Ubuntu 12.04 With The Liquorix Kernel

After performing a fresh Linux installation, most users are concerned with customizing their desktop or application set for their needs, but an increasing number of enthusiasts tend to be looking at their kernel. The Zen kernel was once very popular, but of increasing popularity amongst die-hard Linux enthusiasts is the Zen-related Liquorix kernel. While it claims to offer superior performance for common workloads, is this really the case? Here are some benchmarks of the stock Ubuntu 12.04 kernel versus the 3.2 kernel offered by Liquorix.

27 March 2012 - 12 Comments
Testing Out The Btrfs Mount Options On Linux 3.2

Earlier this month I benchmarked all the major Linux file-systems of Ubuntu 12.04: ReiserFS, JFS, EXT2, EXT3, EXT4, Btrfs, and XFS. While Btrfs performed well with Ubuntu 12.04 LTS, it was not always the fastest although it does offer the most advanced feature-set. For those looking to tune a Btrfs file-system for performance, published now are some reference benchmarks showing the Linux Btrfs performance with varying mount options.

26 March 2012 - 21 Comments
Intel Sandy Bridge Shapes Up On GCC 4.7 Compiler

Back in January I wrote about how open-source compilers are quickly maturing for Intel Sandy Bridge CPUs and offering early support for Intel Ivy Bridge and Intel Haswell processors. Both GCC and LLVM have been quick to take advantage of the new instruction set extensions and other capabilities of these latest -- and very impressive -- Intel processors. With the release of GCC 4.7 quickly approaching, here is an updated set of GNU Compiler Collection Fortran/C/C++ benchmarks from the Intel Core i7 3960X Sandy Bridge Extreme Edition test-bed.

18 March 2012 - 5 Comments
Ubuntu 12.04 LTS - Benchmarking All The Linux File-Systems

When running Linux file-system benchmarks at Phoronix it is most often a comparison of EXT4 vs. Btrfs, since they are the "hot" Linux file-systems at the moment. Sometimes others like ZFS, Reiser4, and XFS also join the party. In this article is a look at all of the Linux file-systems with install-time support under the forthcoming Ubuntu 12.04 LTS. When carrying out clean installations each time with changing out the root file-system and using the default mount options, ReiserFS, JFS, EXT2, EXT3, EXT4, Btrfs, and XFS are all being compared in this article.

16 March 2012 - 30 Comments
Linux 3.3 Kernel: Btrfs vs. EXT4

It's that time of the Linux kernel development cycle again... Here are benchmarks of the EXT4 and Btrfs file-systems with the soon-to-be-released Linux 3.3 kernel.

2 March 2012 - 40 Comments
Intel Sandy Bridge RC6 Is Good To Go

It looks like the debacle concerning RC6 power-savings support for Intel Sandy Bridge hardware is finally behind us. Intel thinks everything is worked out and ready to be enabled upstream (again) with the next Linux 3.4 kernel cycle and Canonical has enabled RC6 by default in Ubuntu 12.04 LTS. Here are some tests showing the performance benefits and power-saving abilities of using the RC6 hardware feature on Sandy Bridge processors.

27 February 2012 - 3 Comments
Gaming/Graphics Performance On Unity, GNOME, KDE, Xfce

It is going on a year since showing how Unity, Compiz, GNOME Shell & KWin affect graphics/gaming performance, so here is an updated 2012 look. In this article are a variety of OpenGL benchmarks run under the current latest desktops as will be found in Ubuntu 12.04 LTS: Unity, Unity 2D, GNOME Shell, GNOME Classic, KDE Plasma, and Xfce. AMD and NVIDIA graphics were tested with both the latest closed and open-source drivers.

8 February 2012 - 43 Comments
Compilers Mature For Intel Sandy/Ivy Bridge, Prep For Haswell

The leading open-source code compilers -- namely the GNU Compiler Collection (GCC) and LLVM/Clang -- now have maturing support for Intel's Sandy Bridge microarchitecture with further optimizations for the forthcoming Ivy Bridge successor. With the current and next-generation Intel support covered, open-source compiler developers have already moved onto beginning work for supporting Intel's Haswell microarchitecture that will not be launched until 2013.

27 January 2012 - 1 Comment
Ubuntu 11.04, 11.10, 12.04 On The NVIDIA Tegra 2

For those that were interested by the CompuLab Trim-Slice, a desktop built around the ARM-based NVIDIA Tegra 2 platform, here are some more benchmarks. This time the numbers are looking at the performance of the dual-core ARM Cortex A9 system when using the Ubuntu 11.04, 11.10, and 12.04 packages.

23 January 2012 - 2 Comments

492 software articles published on Phoronix.