p7zip
Intel Core 2 Quad Q6600 testing with a ASUS P5E-VM HDMI and Intel 82G35 IGP on Debian Linux Jessie/sid via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1310049-SO-P7ZIP588998.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4