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LLVM/Clang 3.2 SVN Compiler Performance

With LLVM 3.2 set for release in mid-December, the time to benchmark this next major compiler infrastructure release paired with the Clang C/C++ compiler is approaching. Well, that time has already come; up this weekend are some benchmarks of the Intel Core i7 3960X "Sandy Bridge Extreme Edition" on Ubuntu 12.04 when comparing LLVM/Clang 3.1 to their latest SVN development code for LLVM/Clang 3.2 as of this week.
13 October 2012 - 4 Comments

GCC 4.7 AMD Bulldozer Compiler Tuning

As the latest AMD Bulldozer Linux benchmarks, here are updated figures on compiler tuning for the FX-8150 processor when using GCC 4.7.1.
24 September 2012 - 9 Comments

X11 Turns 25 Years Old Today

It was 25 years ago today, on 15 September 1987, that Version 11 Release 1 of the X Window System (a.k.a. X11) was released. X11 has evolved a long way since then, but this 25-year-old technology out of MIT remains at the heart of every Linux desktop.
15 September 2012 - 60 Comments

Why Mono Is Desirable For Linux

On this Friday we have a freelance open-source opinion article that was written by Ciprian Khlud. This developer, who uses C# among other languages at his place of employment along with a combination of Windows and Linux, argues why the Mono open-source ECMA CLI/C#/.NET implementation is actually desirable for Linux.
14 September 2012 - 314 Comments

2D Also Bad For Ubuntu Unity Against KDE, GNOME, LXDE, Xfce

In continuation of last week's OpenGL benchmarks under Unity, GNOME, KDE, Xfce, and LXDE desktops from Ubuntu 12.10, here are benchmarks looking at the 2D performance of these different Linux desktop environment choices when testing both the Intel UXA and SNA acceleration back-ends.
11 September 2012 - 14 Comments

VirtualBox 4.2 Virtualization Benchmarks

For those curious whether the forthcoming Oracle VirtualBox 4.2 virtualization platform delivers on any performance enhancements, at least as it pertains to Linux virtualization, here are some quick benchmarks.
26 August 2012 - 6 Comments

GCC 4.7 Link-Time Optimization Performance

With the recent interest regarding Link-Time Optimization support within the Linux kernel by GCC, here are some benchmarks of the latest stable release of GCC (v4.7.1) when benchmarking several common open-source projects with and without the performance-enhancing LTO compiler support.
21 August 2012 - 17 Comments

Ubuntu's Unity Decision Affects 2D Performance Too

Last week I delivered OpenGL/3D benchmarks of Ubuntu 12.10 when comparing the performance of the default Unity desktop to the now-defunct Unity 2D environment. Canonical's decision to kill Unity 2D means that for those now forced to use the Compiz-based Unity may experience lower frame-rates, high power consumption with Unity-over-LLVMpipe, and other differences. Additional testing has shown how Unity is affecting the 2D graphics performance.
20 August 2012 - 21 Comments

Intel Ivy Bridge: GCC 4.8 vs. LLVM/Clang 3.2 SVN

Kicking off the Linux benchmarks this weekend are some early numbers from the GCC 4.8 and LLVM/Clang 3.2 development compilers when running on Intel's latest-generation Core i7 "Ivy Bridge" processor. GCC 4.8 and LLVM/Clang 3.2 are still months away from being formally released, but this article provides a glimpse at how the open-source compiler battle is panning out.
18 August 2012 - 22 Comments

Ubuntu's Unity Has Room To Improve Performance

Following yesterday's news that Ubuntu 12.10 will drop the Unity 2D desktop, I carried out some quick tests comparing the latest state of the Unity desktop with Compiz against the lightweight Unity 2D desktop that's now being removed. To not much surprise, the composited Unity desktop still has some performance shortcomings for OpenGL workloads compared to Unity 2D.
17 August 2012 - 15 Comments

446 software articles published on Phoronix.
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