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by __s
1192 days ago
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If you look at the output of your compiler many unnecessary loads/stores. Vectorized code in particular still comes out lacking even with intrinsics In fact, you can benchmark openssl's assembly vs openssl's C: https://github.com/openssl/openssl/blob/master/crypto/aes/ae... Granted, they aren't using intrinsics in that code, but a sufficiently smart compiler shouldn't need intrinsics |
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