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CentOS 6 Through CentOS 8 Benchmarks On Intel Xeon

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Graphics/Benchmarks

Complementing the CentOS 8 benchmarks I did following the release of that Red Hat Enterprise Linux 8 rebuild in late September, here are tests going back further for showing the performance of CentOS 6, CentOS 7, and CentOS 8 all benchmarked from the same Intel Xeon Scalable server. These tests were done about a month ago albeit with all the hardware launches, new child, and other factors, only now getting to posting the data.

These benchmarks are of CentOS 6, CentOS 7, and CentOS 8 with all available stable release updates for each as of early November (prior to TAA, JCC Erratum, and other more recent disclosures). This was done to look at how the performance of these CentOS releases compare that track RHEL6, RHEL7, and RHEL8 respectively. Additionally, for each operating system was also a secondary run when booted with mitigations disabled to also provide a look at the CentOS Linux performance with the various CPU security mitigations disabled.

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XanMod-ing Ubuntu To Perform Closer To Intel's Clear Linux

Earlier this month many Phoronix readers were interested in our fresh tests of the XanMod-patched Linux kernel for boosting the desktop and workstation performance compared to Ubuntu's default Linux kernel. Among many patches, XanMod does pull in some kernel patches from Intel's performance-optimized Clear Linux, so we figured it would be interesting to see how the XanMod'ed Ubuntu compares to Clear Linux performance. As covered more in the earlier article, the XanMod Linux kernel flavor makes use of the BFQ I/O scheduler, offers CPU scaling governor improvements, makes use of preemptive full tickless kernel settings, and has a variety of other patches from leveraging Clear Linux optimizations to the BMQ process scheduler to the Proton FSYNC patches to much more. This round of testing was using a daily snapshot of Ubuntu 20.04 LTS with its current Linux 5.4 default kernel and then re-tested using the same Ubuntu 20.04 LTS installation but running on the 4.1.10-xanmod6 kernel at the time. Additionally, the same CFLAGS/CXXFLAGS as Clear Linux defaults to were also utilized. Read more

Android Leftovers

User Guide to Pantheon Desktop of elementary OS

Unlike Windows, user interface in elementary OS has a name, and it is Pantheon Desktop. It is a beautifully designed and easy to use desktop environment. This article wants to be a user guide to Pantheon Desktop that is simple to read and practice. You will learn about basic concepts of Pantheon and then practice to use it for daily tasks. You will see here how to use Wingpanel (top panel), Slingshot (start menu), Plank (taskbar), Switchboard (system settings), plus understand Headerbars and Multitasking mode. Of course I also include frequently used Keyboard Shortcuts so you can work more quickly. For your information, I use elementary OS 5.0 Juno as basis of this tutorial. I hope everybody could take benefit from this article and next time I could refer here if I write again about elementary. Enjoy! Read more

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