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Do Linux Benchmarks Have A Leg To Stand On?

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Linux

A recent set of Linux distro benchmarks appears to show some surprising results. Yet it also shows the dangers of relying too heavily upon such benchmarks to make real-world technology decisions.

Phoronix is one of the few Web sites with a heavy focus on Linux hardware testing. Its editors have also developed a comprehensive, and highly regarded, testing and benchmarking suite for Linux distros. As a result, Phoronix is a notable source for comparative data on Linux distro performance, involving both multiple distros and different releases of the same distro.

Recently, Phoronix offered up comparative benchmarks of four leading Linux distros.

Different distros typically run different versions of key software, and this case was typical. While three of the distros installed the EXT4 file system by default, for example, a fourth -- Mandriva -- uses EXT3. To some extent, these differences make exact comparisons very difficult, although benchmarking can still provide useful information about general performance trends.

Or can they?




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Today in Techrights

Linux 5.4-rc3

Things continue to look fairly normal, with rc3 being larger than rc2,
as people are starting to find more regressions, but 5.4 so far
remains on the smaller side of recent releases.

The diffstat looks fairly flat too, although we had a couple of
staging drivers being removed here that show up as spikes. Drivers in
general account for about two thirds of the diff, and it's not just
those staging drivers, it's other small noise all over the place: usb,
drm, iio, rdma..

Outside of drivers, filesystems pop up more than perhaps usual, but
it's again mostly low-grade noise all over: btrfs, cifs, nfs, ocfs,
xfs and some core vfs fixes.

The rest is arch updates (mainly arm64, x86, mips), tooling (mostly
perf tooling updates, but also some selftest fixlets), documentation,
and misc core kernel and mm stuff.

There really isn't anything huge that stands out. You can scan the
appended shortlog for a flavor of the details, it's not too long to
just scroll through.

Linus
Read more Also: Linux 5.4-rc3 Released Ahead Of Official Kernel Debut In November

Archman GNU/Linux Xfce 2019-09

Archman is an Arch Linux-based distribution developed in Turkey. The project's website is available in both Turkish and English, which makes the distribution approachable to non-Turkish audiences. Archman has various releases with different desktop environments and release dates. In this review, I will be reviewing Archman's Xfce 2019-09 release, which is codenamed Lake With Fish. To begin, I downloaded the 1.6GB ISO and copied it to a flash drive. I rebooted my computer, turned off Secure Boot, and started Archman from the flash drive. The boot process was quick, but I ended up at a graphical login screen instead of a working desktop environment. I pressed the Enter key and I logged in without needing a password. The live desktop looked very nice. It is an interesting blend of classic and modern. The live desktop has icons for the user's home folder and Trash. There is also a shortcut for Hexchat and the Calamares Archman Installer. The panel at the bottom of the screen holds the application menu, shortcuts for showing the desktop/quickly minimizing all running applications, Firefox, the user's home folder, sections for the currently running applications, switching desktops, a clock, Bluetooth and wireless controls, a battery meter, update notifications, volume control, and a log out/reboot/shutdown shortcut. The panel is 70% the width of the screen and set to automatically hide. I looked around the live desktop for a little while. I tested to make sure that everything was working okay with my hardware, and once I was certain that all my hardware worked, I moved on to installing Archman. Read more

today's howtos and hardware news

  • Blue Mail now available for Linux
  • How to Enable EPEL Repository on CentOS 8 and RHEL 8 Server
  • How to set up Cairo dock on the Linux desktop
  • Open source Raspberry Pi microscope project

    Micropalaeontologist Martin Tetard has been developing a Raspberry Pi microscope aptly named the microscoPI. The Raspberry Pi based microscope can capture, process, and store images and image analysis results. Watch the video embedded below to learn more about the unique Raspberry Pi microscope, which features a rechargeable battery secured under the base of the microscope, making the system completely portable and measuring less than 30 cm in height.

  • Open Source Hardware Trends, Arm Takes a Different Tack

    The open-source movement that has driven software innovation is now creating a buzz in the microprocessor realm, thanks to the growing popularity of open-source microprocessor instruction set architecture RISC-V. Although the term “open source” conveys sentiments such as research sharing and community building, leading semiconductor IP provider Arm, which supports 95 percent of smartphone embedded processors, is not a fan. Synced recently sat down with Rhonda Dirvin, who is Arm’s senior director of Embedded, IoT and Automotive Marketing. Dirvin believes today’s open source hardware landscape is not as simple and straightforward as it may seem: “We’re starting to see some people say free is not free. Because at the end of the day they have to look at what it takes to verify that and what it takes to implement the instruction or architecture. You don’t have the whole ecosystem out there that supports it the way that you do with Arm or some of the other more established vendors.”