7zip
2 x Intel Xeon E5-2670 v2 testing with a ASUS Z9PE-D8 WS and NVIDIA GeForce GTX 760 4096MB on Ubuntu 13.10 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1311137-UT-7ZIP6555534.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4