Comparing the Linux performance of Ubuntu 8.04.4 LTS, Ubuntu 10.04.4 LTS, Ubuntu 12.04.1 LTS, and an Ubuntu 13.04 development snapshot. Benchmarking by Michael Larabel of Phoronix.com for a future article looking at the Ubuntu Linux performance. These Linux performance benchmarks are from an AMD Phenom 9500 Quad-Core system.