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Add example for 128-bits field element range check #1

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DoHoonKim8 opened this issue Oct 25, 2023 · 0 comments
Open

Add example for 128-bits field element range check #1

DoHoonKim8 opened this issue Oct 25, 2023 · 0 comments

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@DoHoonKim8
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This example is for range check inside the circuit for 128-bits field element which does not require dividing into limbs. If the benchmark result is promising, then we should consider testing zkevm-circuits to this backend.

This requires:

  • Define SubtableStrategy for 128-bits range table
  • Write simple range check circuit
  • Use Lasso as lookup argument
  • Benchmark with some examples
    • naive halo2 lookup
    • halo2-cq (but this uses univariate IOP which is slightly outside of comparison scope)
    • LogUp+GKR in plonkish
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