Use hand-unrolled poseidon sbox for ~50% faster poseidon #15784
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!ci-build-me |
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This seems to be slower on CI, despite being faster for me locally. Converting to draft pending more investigation. |
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!ci-nightly-me |
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It seems to be faster using cargo bench, see o1-labs/proof-systems#2399 and o1-labs/proof-systems#2400. |
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This PR uses o1-labs/proof-systems#2394 to achieve a ~50% speed-up of poseidon hashing (on my machine).