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Phoronix Test Suite

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Software

Here's Why Radeon Graphics Are Faster On Linux 3.12

Yesterday I published benchmarks showing the AMD Radeon graphics being much faster on Linux 3.12. Ten graphics cards were benchmarked and many of them were showing rather remarkable OpenGL frame-rate performance improvements when moving from the Linux 3.11 to Linux 3.12 Git kernel. This large comparison came after benchmarks I did this weekend on a single Radeon HD graphics card showed the Linux 3.12 kernel delivering the best performance of any recent kernel release. The only thing was, this AMD Radeon performance improvement baffled the upstream developers. The AMD developers were taken off-guard and didn't have an explanation why the Linux 3.12 kernel performance is faster... Now thanks to automated testing and bisecting by the Phoronix Test Suite, I have an answer.
15 October 2013 - 108 Comments

Intel Core i7 Haswell Benchmarks On Linux 3.12

So far in our testing of the Linux 3.12 kernel we have found that there are some file-system performance improvements and most noticeable is AMD Radeon performance improvements for the open-source driver. We have also found the AMD APU performance hasn't changed much and Ivy Bridge graphics are rather unchanged among other mute workloads, but is there any other worthwhile performance improvements to be discovered? Our latest Linux 3.12 Git tests are from the System76 Galago UltraPro with Core i7 4750HQ "Haswell" processor as we benchmark every major kernel release going back to Linux 3.8.
14 October 2013

GCC vs. LLVM Clang Is Mixed On The Ivy Bridge Extreme

Our latest Linux benchmarks from the Intel Core i7 4960X Ivy Bridge Extreme Edition processor are compiler tests on this $1000 USD processor. The last two stable releases of GCC and LLVM's Clang C/C++ compilers were compared: GCC 4.7.2, GCC 4.8.1, LLVM Clang 3.2, and LLVM Clang 3.3.
13 October 2013 - 16 Comments

Linux 3.12 Kernel To Bring Faster File-Systems

With the Linux 3.12 kernel due for release in several weeks time but all major changes behind us now, here are some file-system tests from this forthcoming kernel update. Tested Linux file-systems for this Phoronix article include EXT4, Btrfs, XFS, and F2FS. From these results, there are multiple instances of these file-systems running measurably faster than Linux 3.11.
4 October 2013 - 8 Comments

Amazon EC2 Cloud Benchmarks Against Bare Metal Systems

After earlier this month delivering new Amazon EC2 cloud benchmarks, several Phoronix readers had requested some reference benchmark results against some "bare metal" hardware systems. For those not running their own performance comparisons against Amazon's Elastic Compute Cloud, here's some more benchmark results showing different EC2 cloud instance types compared to an Intel Ivy Bridge and Haswell system.
30 September 2013 - 1 Comment

VMware Fusion 6 Yields Great Benefits For Haswell Systems

Released by VMware earlier this month was VMware Fusion 6.0 and VMware Workstation 10. If you're running a new Haswell-based MacBook with VMware Fusion, you can expect some noticeable performance improvements by upgrading.
25 September 2013 - 2 Comments

X.Org vs. XMir On KDE, Xfce, Unity Desktops

The latest interesting Linux test results to share this week for those not at Oktoberfest are 2D and 3D/OpenGL benchmark results when testing XMir and a pure X.Org Server configuration with the Xfce, Unity, and KDE desktops as will be found in next month's Ubuntu 13.10 release.
24 September 2013 - 32 Comments

Amazon EC2 Cloud Comparison Performance Benchmarks

As it's been nearly one year since we last put out some reference benchmarks of Amazon's EC2 Cloud, or compared the different operating system's in Amazon's cloud, it's time to kick off a new round of cloud performance benchmarks. Coming out today are new benchmarks of Amazon's Elastic Compute Cloud when benchmarking various on-demand instance types.
20 September 2013 - 10 Comments

Ubuntu 13.10 Desktop Tests: Unity 7.1, KDE 4.11, Xfce 4.10, GNOME 3.8

To end off August we have benchmarks up of five popular desktop environments running on Ubuntu 13.10 as of Friday. With feature freeze passing, we now have a good look at the desktop competition for Ubuntu 13.10 and how each of the desktops perform.
31 August 2013 - 45 Comments

Composite Bypass Support Sharply Bumps XMir's Performance

Composition bypass support finally landed this morning into the mainline Mir code-base ahead of the Ubuntu 13.10 feature-freeze. With the feature being merged and packages already being pushed into the 13.10 archive, benchmarks at Phoronix have already been conducted. The benchmarks to share this afternoon are of the Mir/XMir packages from yesterday against the Mir packages today with composite bypass support. Lastly, there are benchmarks of a pure X.Org Server running on the same hardware to look at the performance impact and current (reduced) overhead of Mir.
29 August 2013 - 40 Comments

452 software articles published on Phoronix.
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