SVT Video Encoding + vpxenc
AMD Ryzen Threadripper 2990WX 32-Core testing with a ASUS ROG ZENITH EXTREME (1601 BIOS) and llvmpipe on Ubuntu 18.04 via the Phoronix Test Suite.
HTML result view exported from: https://openbenchmarking.org/result/1902174-PTS-SVTVIDEO68&grs.
VP9 libvpx Encoding
vpxenc VP9 1080p Video Encode
SVT-VP9
1080p 8-bit YUV To VP9 Video Encode
SVT-AV1
1080p 8-bit YUV To AV1 Video Encode
SVT-HEVC
1080p 8-bit YUV To HEVC Video Encode
Phoronix Test Suite v10.8.4