Can Ubuntu 9.10 Outperform Mac OS X 10.6?
The copy, scale, and add operations with Stream were in favor of Ubuntu 9.10.
The MD5 and Blowfish performance in John The Ripper was the same between Snow Leopard and Karmic Koala.
Ubuntu -- both versions -- performed slightly ahead of Mac OS X 10.6.0 when it came to multiple sequence alignment via MAFFT.