flac
Intel Core i5 460M testing with a Dell 07VWR8 and Intel Core IGP 1024MB on Ubuntu 16.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1702203-TA-FLAC6182557.
FLAC Audio Encoding
WAV To FLAC
Phoronix Test Suite v10.8.4