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Software

CPUFreq Scaling Tests With AMD's Kaveri On Linux 3.16

In past months on Phoronix we have done many CPUfreq tests to see the impact of the different scaling governors and with Intel hardware how the CPUfreq driver compares to Intel P-State in terms of performance and power consumption. As we haven't done such ACPI CPUfreq tests on the AMD side in a long time, here's some benchmarks using a Kaveri APU and selecting the different scaling governors during performance benchmarking.
15 August 2014 - 8 Comments

KVM Benchmarks On Ubuntu 14.10

For those wondering about the modern performance cost of using KVM on Ubuntu Linux for virtualizing a guest OS, here are some simple benchmarks comparing Ubuntu 14.10 in its current development stage with the Linux 3.16 versus running the same software stack while virtualized with KVM and using virt-manager.
22 July 2014 - 9 Comments

X.Org Server 1.16 Officially Released With Terrific Features

After a last minute delay earlier this month, Keith Packard of Intel's Open-Source Technology Center has officially announced the X.Org Server 1.16 release. XWayland and other changes make xorg-server 1.16 a super exciting release!
17 July 2014 - 19 Comments

Testing Btrfs On The Linux 3.16 Kernel

When running my initial Linux 3.16 file-system tests on an SSD I had to skip over Btrfs due to initial problems with the experimental kernel code. Fortunately, Btrfs has been fixed-up in Linux 3.16 and can now serve for some benchmarking.
3 July 2014 - 9 Comments

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

441 software articles published on Phoronix.
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