FLAC
Intel Core i7-4558U testing with a ASUS UX301LAA v1.0 and Intel Device 0a2e on Ubuntu 14.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1411274-PTS-FLAC526621.
FLAC Audio Encoding
WAV To FLAC
Phoronix Test Suite v10.8.4