* it is very hard for a good engineer to beat compilers these days (they are very good now).*
replyI keep hearing this for the last 20 odd years, yet I see evidence to the contrary each and every day. It is hard and honest work though.
there were two lead developers from FFMPEG on Lex Fridman's youtube channel who talked about performance gain from assembly. They claimed the opposite
replyYeah, a corner case (streaming) and good developers working very hard.
replyThe original SSE (SIMD) extensions were actually written with this use case in mind. When they first came out, the compilers were awful. They've since caught up.