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FFmpeg devs boast of up to 94x performance boost after implementing handwritten AVX-512 assembly code
(www.tomshardware.com)
this post was submitted on 05 Nov 2024
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I worked in the media broadcasting, we had an internal lib to scale/convert whatever format in real time, and it went from basic operation, to SSE3, to AVX512, to CUDA, and yes crafting some functions/loops wit assembly can give an enormous boost.