7zip
Intel Core i7-5820K testing with a ASUS X99-PRO/USB 3.1 and ASUS NVIDIA GeForce GTX 970 4096MB on Ubuntu 16.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1605061-KH-7ZIP4888652.
7-Zip Compression
Compress Speed Test
Phoronix Test Suite v10.8.4