Debian 8.5 vs. Debian Testing Benchmarks - July 2016

Written by Michael Larabel in Debian on 8 July 2016 at 02:17 PM EDT. 49 Comments
Here is the latest look at the performance of Debian GNU/Linux 8.5 vs. Debian Testing on the same system for showing how the performance is looking for Debian 9 "Stretch" ahead of its release next year.

Originally I was planning to do a Debian GNU/Linux vs. GNU/kFreeBSD comparison too, but the Debian Testing GNU/kFreeBSD installer was yielding problems... So for this article is just a fun look at clean installs of Debian 8.5 versus the current Debian GNU/Linux testing on the same hardware and using each OS release out-of-the-box.

Upgrading to testing will currently get you the Linux 4.6 kernel, GNOME Shell 3.20, X.Org Server 1.18.3, Mesa 11.2.2, and GCC 5.4.0. EXT4 remains the default file-system in Debian Testing.

There were a few slowdowns seen with Debian Testing...

Surprising us a lot though was seeing how much faster the Go programming language is with Debian Testing compared to what's shipped right now as Debian stable.

The Numpy Python performance is also wildly faster with Debian Testing.

Debian Testing with GCC 5.4 does yield some compile-time improvements.

To see more of these Debian 8 vs. Debian 9 Testing benchmarks on this Intel Xeon system, visit this result file.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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