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perf: fast path for SIS with logTwoBound: 8, logTwoDegree: 6 #416

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merged 11 commits into from
Jun 30, 2023

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@gbotrel gbotrel commented Jun 27, 2023

Fast path for {logTwoBound: 8, logTwoDegree: 6}, .

FFT (size 64) is unrolled.
Limb decomposition is simpler (we advance byte per byte).

Result, on M1 (not benched on x86)

SIS --> 30% faster.
Wizard.Prove --> 10% faster.

@gbotrel gbotrel changed the title perf: unroll FFT of size 64 for SIS hash function perf: fast path for SIS with logTwoBound: 8, logTwoDegree: 6 Jun 27, 2023
@gbotrel gbotrel marked this pull request as draft June 27, 2023 23:12
@gbotrel gbotrel marked this pull request as ready for review June 30, 2023 19:56
@gbotrel gbotrel merged commit cf1c8bd into develop Jun 30, 2023
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@gbotrel gbotrel deleted the perf/sisclean branch June 30, 2023 20:17
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2 participants