flac
Intel Core i7-4800MQ testing with a HP 1909 (L70 Ver. 01.45 BIOS) and NVIDIA Quadro K2100M 2GB on Ubuntu 20.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/2010240-FI-FLAC8182753.
FLAC Audio Encoding
WAV To FLAC
Phoronix Test Suite v10.8.4