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Keyword: compiler

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  • 'The biggest speedup I've seen so far' — FFmpeg devs boast of another 100x leap thanks to handwritten assembly code

    07/17/2025 11:00:22 AM PDT · by ShadowAce · 27 replies
    Tom's Hardware ^ | 17 July 2025 | Mark Tyson
    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...