The developers behind the FFmpeg project are again claiming major performance uplifts delivered by wielding the art of handwritten assembly code. With the latest patch applied, users should see a “100x speedup” in the cross-platform open-source media transcoding application. However, the developers were soon to clarify that the 100x claim applies to just a single function, “not the whole of FFmpeg.”BREAKING: FFmpeg 100x speedup from handwritten assembly13:55:30 <•haasn> rangedetect8_avx512: 121.2 (100.18x) that may be the biggest speedup I've seen so farJuly 16, 2025“The biggest speedup I've seen so far”Last November, we reported on an FFmpeg performance boost that could speed...