8000 Implement O(sqrt(n)) `conditionally_select_power_of_two_vector` method · Issue #118 · arkworks-rs/r1cs-std · GitHub
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Implement O(sqrt(n)) conditionally_select_power_of_two_vector method #118

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mmagician opened this issue May 2, 2023 · 0 comments · May be fixed by #119
Open
4 tasks done

Implement O(sqrt(n)) conditionally_select_power_of_two_vector method #118

mmagician opened this issue May 2, 2023 · 0 comments · May be fixed by #119
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D-medium Difficulty: medium T-performance Type: performance improvements

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Summary

Currently the function conditionally_select_power_of_two_vector uses method 5.1 from https://github.com/mir-protocol/r1cs-workshop/blob/master/workshop.pdf.
By implementing the SumOfConditions method and then combining it with the existing technique, we could achieve less constraints.

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@mmagician mmagician added T-performance Type: performance improvements D-medium Difficulty: medium labels May 2, 2023
@mmagician mmagician self-assigned this May 2, 2023
@mmagician mmagician linked a pull request May 4, 2023 that will close this issue
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Hybrid method for random access/conditional selection from 2^k values arkworks-rs/r1cs-std
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