[UPDATE: Best one I've received so far is at https://bench.cr.yp.to/results-stream.html …]
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https://bench.cr.yp.to/impl-stream/salsa20.html … dolbeau/ is AVX2 where available: http://www.dolbeau.name/dolbeau/crypto/crypto.html …
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5950X: $ openssl speed -evp chacha20-poly1305 | chacha20 type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes chacha20-poly1305 359m 666m 1612m 2930m 3049m 3068m chacha20 497m 810m 2020m 4357m 4491m 4432m
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Not super relevant, but yesterday I was following Handmade Ray and I found that adding the msvc switch /arch:AVX2 caused the same 256 SIMD code to be 4x faster (1.5x faster than 128 SSE).pic.twitter.com/vP6g7TuCUq
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