gzip
2 x Intel Xeon X5460 testing with a HP 0A98h and NVIDIA Quadro FX 560 123MB on Ubuntu 14.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1602079-SO-GZIP0938084.
Gzip Compression
2GB File Compression
Phoronix Test Suite v10.8.4