7zip
2 x Intel Xeon E5530 testing with a Intel S5520SC and NVIDIA Quadro FX 1700 512MB on Ubuntu 12.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1302051-RA-7ZIP6848500.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4