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Fedora, Debian, FreeBSD, OpenBSD, OpenSolaris Benchmarks
Beginning with the compression tests we first ran into 7-Zip. The fastest operating system in this test was FreeBSD 8.0 followed by FreeBSD 7.2 and then the Debian GNU/kFreeBSD build. The FreeBSD kernel just did really well with the 7-Zip compression test. Coming behind the FreeBSD operating systems but ahead of the Fedora and Debian GNU/Linux competition was OpenSolaris 2009.06. The performance between Fedora and Debian GNU/Linux was close, but falling in a distant last was OpenBSD 4.6. FreeBSD 8.0 was 70% faster than OpenBSD 4.6.
Debian GNU/Linux pulled in front of the FreeBSD operating systems with Gzip compression, but OpenBSD remained the slowest. Debian GNU/Linux, Debian GNU/kFreeBSD, Fedora 12, and OpenSolaris 2009.06 all ran close to one another, but the pure *BSD operating systems had lagged behind.
OpenBSD 4.6 had not worked with our LZMA compression test, but between the six other operating systems, FreeBSD 8.0 was the fastest while OpenSolaris 2009.06 was the slowest.