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'The biggest speedup I've seen so far' — FFmpeg devs boast of another 100x leap thanks to handwritten assembly code (www.tomshardware.com)

submitted 3 weeks ago by BrikoX@lemmy.zip to c/opensource@programming.dev

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But admit this boost is only seen in 'an obscure filter'.

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[–] hisao@ani.social 39 points 3 weeks ago (1 children)

AVX512, SIMD

It's not just "handwritten assembly", it's all intrinsics, again. The reason a lot of tech that needs to use fast matrix algebra (or fast numeric math in general) tries to use the same small set of libraries, tightly optimized to use those optimized instruction sets.

[–] lectricleopard@lemmy.world 8 points 3 weeks ago

They wrote it in hardware. Glad they still need people you do that at least.