7zip
Intel Core i7 920 testing with a ASUS P6T and NVIDIA GeForce GTX 260 896MB on Gentoo 2.1 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1207037-BY-7ZIP8322631.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4