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Benchmarking Linux 3.16 File-Systems On An SSD

With the Linux 3.16 kernel coming along nicely, here's our first tests of this forthcoming major kernel upgrade when it comes to the mainline file-systems and their performance from a solid-state drive.
29 June 2014 - 10 Comments

Testing LLVM Clang 3.5's Code Generation Optimizations

For those curious about the performance of LLVM Clang in its current development form when testing the common code generation options for optimizing the performance (and in some cases size) of the resulting binaries, here's some fresh compiler benchmarks.
28 June 2014 - 3 Comments

Intel Haswell HD Graphics Benchmarks With Linux 3.16

Phoronix benchmarks have shown that when using the Linux 3.16 kernel, the Nouveau performance is faster when taking advantage of the experimental re-clocking. Additionally, the Radeon graphics performance is faster on Linux 3.16 for newer graphics cards thanks to other optimizations. For Intel Haswell Linux users are there any performance improvements in store for Linux 3.16? Here's some tests.
27 June 2014 - 2 Comments

Linux 3.16: Deadline I/O Scheduler Generally Leads With A SSD

There's been numerous requests lately for more disk I/O scheduler benchmarks on Phoronix of the Linux kernel and its various scheduler options. Given that there's routinely just speculation and miscommunication by individuals over the best scheduler for HDDs/SSDs, here's some fresh benchmarks for reference using the Linux 3.16 kernel.
25 June 2014 - 16 Comments

Linux Gaming Benchmarks With Plasma-Next, KDE Frameworks 5

Up for your viewing pleasure today were some quick benchmarks done of the next-generation KDE desktop stack compared to the KDE 4.13.0 and Unity 7.2.1 desktops of Ubuntu 14.04 LTS.
25 June 2014 - 20 Comments

Phoronix Test Suite 5.2 Release Marks Six Years Of Open-Source Benchmarking

Phoronix Test Suite 5.2-Khanino is now available as the latest quarterly update to the open-source Phoronix Test Suite benchmarking software for Linux, BSD, Windows, Solaris, and OS X platforms with its hundreds of test profiles via OpenBenchmarking.org.
5 June 2014 - 1 Comment

Updated Linux Stack Yields Minor Gains For Intel's Bay Trail NUC

While yesterday's Linux testing at Phoronix revealed Intel Bay Trail graphics are slower than Windows when running in comparison the updated open-source Intel Linux graphics stack, at least the Bay Trail performance for Intel's N2820 NUC has improved in the past few months under Linux.
3 June 2014

Building The Linux Kernel With LLVM's Clang Yields Comparable Performance

With the upstream Linux kernel nearly compatible with LLVM's Clang compiler as an alternative to using GCC, I benchmarked the latest "LLVMLinux" code that's the Linux kernel compiled under Clang with some out-of-tree patches to see how its performance compares to a conventionally built kernel with GCC 4.8.
30 May 2014 - 29 Comments

Benchmarking LLVM's Clang OpenMP Support Against GCC

With it looking like LLVM Clang 3.5 might finally have OpenMP support, I tested out Intel's latest out-of-tree LLVM/Clang OpenMP code to see how the performance compares to GCC for this multi-processing API. Overall, the Clang results increase the level of competition against GCC.
29 May 2014 - 7 Comments

Using PowerTOP 2.6 Saves Power, Extends Battery Life On Ubuntu 14.04

With the release of Intel's PowerTOP 2.6 a few days ago I have done some benchmarking using an ASUS Zenbook Prime ultrabook to see the impact of the power consumption while running on battery for a clean, stock install of Ubuntu 14.04 LTS 64-bit and then did the same tests again after having PowerTOP 2.6 optimize the system so it's in a good power standing. Beyond testing the stock Linux 3.13 kernel, then I carried out the same tests again when using the Linux 3.15 kernel in its very latest development state.
24 May 2014 - 21 Comments

457 software articles published on Phoronix.
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