Debian 7.0 GNU/Linux vs. GNU/kFreeBSD Benchmarks
Written by Michael Larabel in Debian on 10 June 2013 at 03:17 AM EDT. 29 Comments
Up this morning are benchmarks comparing the performance of Debian GNU/Linux 7.0 to Debian GNU/kFreeBSD 7.0, the version of the Debian operating system that ships the GNU user-land but replaces the Linux kernel from that of FreeBSD 9.0.

Last December I ran the benchmarks for the extensive Debian Linux vs. Debian kFreeBSD With Squeeze & Wheezy testing. The results today remain largely the same but another round of benchmarks was carried out on a Lenovo ThinkPad laptop using the official Debian 7.0 release images that were released at the beginning of May.

Debian Linux 7.0 uses the Linux 3.2 kernel while Debian kFreeBSD 7.0 uses the FreeBSD 9.0.2 kernel. The user-lands were basically the same across each Debian release and all testing happened from a Lenovo ThinkPad T61 with Intel Core 2 Duo T9300 CPU with NVIDIA Quadro graphics. All of the system hardware/software details, logs, and benchmark results are hosted on OpenBenchmarking.org within 1306092-UT-KFREEBSDD77.

See the rest of the results on OpenBenchmarking.org. The results show that when testing on the same hardware, Debian GNU/Linux 7.0 with the Linux 3.2 kernel is generally faster than Debian GNU/kFreeBSD 7.0 with the FreeBSD 9.0.2 kernel. Again, it's pretty much the same user-land, including the GCC compiler. While the results in this article are just from a lone Intel Core 2 Duo system, other testing carried out at Phoronix has confirmed these findings too of Debian with the Linux kernel being a bit faster than the FreeBSD kernel.

Up next will be Debian GNU/Hurd benchmarks where it's the Hurd kernel atop Debian's user-land. For now I have some older Hurd performance benchmarks from 2011.
About The Author
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 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 OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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