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use arithmetic::{identity_permutation_mle, VPAuxInfo, VirtualPolynomial};
use ark_bls12_381::{Bls12_381, Fr};
use ark_poly::{DenseMultilinearExtension, MultilinearExtension};
use ark_std::test_rng;
use pcs::{prelude::MultilinearKzgPCS, PolynomialCommitmentScheme};
use poly_iop::prelude::{
PermutationCheck, PolyIOP, PolyIOPErrors, ProductCheck, SumCheck, ZeroCheck,
};
use std::{marker::PhantomData, rc::Rc, time::Instant};
type KZG = MultilinearKzgPCS<Bls12_381>;
fn main() -> Result<(), PolyIOPErrors> {
bench_permutation_check()?;
println!("\n\n");
bench_sum_check()?;
println!("\n\n");
bench_prod_check()?;
println!("\n\n");
bench_zero_check()
}
fn bench_sum_check() -> Result<(), PolyIOPErrors> {
let mut rng = test_rng();
for degree in 2..4 {
for nv in 4..25 {
let repetition = if nv < 10 {
100
} else if nv < 20 {
50
} else {
10
};
let (poly, asserted_sum) =
VirtualPolynomial::rand(nv, (degree, degree + 1), 2, &mut rng)?;
let poly_info = poly.aux_info.clone();
let proof = {
let start = Instant::now();
for _ in 0..repetition {
let mut transcript = <PolyIOP<Fr> as SumCheck<Fr>>::init_transcript();
let _proof = <PolyIOP<Fr> as SumCheck<Fr>>::prove(&poly, &mut transcript)?;
}
println!(
"sum check proving time for {} variables and {} degree: {} ns",
nv,
degree,
start.elapsed().as_nanos() / repetition as u128
);
let mut transcript = <PolyIOP<Fr> as SumCheck<Fr>>::init_transcript();
<PolyIOP<Fr> as SumCheck<Fr>>::prove(&poly, &mut transcript)?
};
{
let start = Instant::now();
for _ in 0..repetition {
let mut transcript = <PolyIOP<Fr> as SumCheck<Fr>>::init_transcript();
let subclaim = <PolyIOP<Fr> as SumCheck<Fr>>::verify(
asserted_sum,
&proof,
&poly_info,
&mut transcript,
)?;
assert!(
poly.evaluate(&subclaim.point).unwrap() == subclaim.expected_evaluation,
"wrong subclaim"
);
}
println!(
"sum check verification time for {} variables and {} degree: {} ns",
nv,
degree,
start.elapsed().as_nanos() / repetition as u128
);
}
println!("====================================");
}
}
Ok(())
}
fn bench_zero_check() -> Result<(), PolyIOPErrors> {
let mut rng = test_rng();
for degree in 2..4 {
for nv in 4..20 {
let repetition = if nv < 10 {
100
} else if nv < 20 {
50
} else {
10
};
let poly = VirtualPolynomial::rand_zero(nv, (degree, degree + 1), 2, &mut rng)?;
let poly_info = poly.aux_info.clone();
let proof = {
let start = Instant::now();
let mut transcript = <PolyIOP<Fr> as ZeroCheck<Fr>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let proof = <PolyIOP<Fr> as ZeroCheck<Fr>>::prove(&poly, &mut transcript)?;
println!(
"zero check proving time for {} variables and {} degree: {} ns",
nv,
degree,
start.elapsed().as_nanos() / repetition as u128
);
proof
};
{
let start = Instant::now();
let mut transcript = <PolyIOP<Fr> as ZeroCheck<Fr>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let zero_subclaim =
<PolyIOP<Fr> as ZeroCheck<Fr>>::verify(&proof, &poly_info, &mut transcript)?;
assert!(
poly.evaluate(&zero_subclaim.point)? == zero_subclaim.expected_evaluation,
"wrong subclaim"
);
println!(
"zero check verification time for {} variables and {} degree: {} ns",
nv,
degree,
start.elapsed().as_nanos() / repetition as u128
);
}
println!("====================================");
}
}
Ok(())
}
fn bench_permutation_check() -> Result<(), PolyIOPErrors> {
let mut rng = test_rng();
for nv in 4..20 {
let srs = KZG::gen_srs_for_testing(&mut rng, nv + 1)?;
let (pcs_param, _) = KZG::trim(&srs, nv + 1, Some(nv + 1))?;
let repetition = if nv < 10 {
100
} else if nv < 20 {
50
} else {
10
};
let w = Rc::new(DenseMultilinearExtension::rand(nv, &mut rng));
// s_perm is the identity map
let s_perm = identity_permutation_mle(nv);
let proof = {
let start = Instant::now();
let mut transcript =
<PolyIOP<Fr> as PermutationCheck<Bls12_381, KZG>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let (proof, _q_x) = <PolyIOP<Fr> as PermutationCheck<Bls12_381, KZG>>::prove(
&pcs_param,
&w,
&w,
&s_perm,
&mut transcript,
)?;
println!(
"permutation check proving time for {} variables: {} ns",
nv,
start.elapsed().as_nanos() / repetition as u128
);
proof
};
{
let poly_info = VPAuxInfo {
max_degree: 2,
num_variables: nv,
phantom: PhantomData::default(),
};
let start = Instant::now();
let mut transcript =
<PolyIOP<Fr> as PermutationCheck<Bls12_381, KZG>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let _perm_check_sum_claim = <PolyIOP<Fr> as PermutationCheck<Bls12_381, KZG>>::verify(
&proof,
&poly_info,
&mut transcript,
)?;
println!(
"permutation check verification time for {} variables: {} ns",
nv,
start.elapsed().as_nanos() / repetition as u128
);
}
println!("====================================");
}
Ok(())
}
fn bench_prod_check() -> Result<(), PolyIOPErrors> {
let mut rng = test_rng();
for nv in 4..20 {
let srs = KZG::gen_srs_for_testing(&mut rng, nv + 1)?;
let (pcs_param, _) = KZG::trim(&srs, nv + 1, Some(nv + 1))?;
let repetition = if nv < 10 {
100
} else if nv < 20 {
50
} else {
10
};
let f: DenseMultilinearExtension<Fr> = DenseMultilinearExtension::rand(nv, &mut rng);
let mut g = f.clone();
g.evaluations.reverse();
let f = Rc::new(f);
let g = Rc::new(g);
let proof = {
let start = Instant::now();
let mut transcript = <PolyIOP<Fr> as ProductCheck<Bls12_381, KZG>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let (proof, _prod_x) = <PolyIOP<Fr> as ProductCheck<Bls12_381, KZG>>::prove(
&pcs_param,
&f,
&g,
&mut transcript,
)?;
println!(
"product check proving time for {} variables: {} ns",
nv,
start.elapsed().as_nanos() / repetition as u128
);
proof
};
{
let poly_info = VPAuxInfo {
max_degree: 2,
num_variables: nv,
phantom: PhantomData::default(),
};
let start = Instant::now();
let mut transcript = <PolyIOP<Fr> as ProductCheck<Bls12_381, KZG>>::init_transcript();
transcript.append_message(b"testing", b"initializing transcript for testing")?;
let _perm_check_sum_claim = <PolyIOP<Fr> as ProductCheck<Bls12_381, KZG>>::verify(
&proof,
&poly_info,
&mut transcript,
)?;
println!(
"product check verification time for {} variables: {} ns",
nv,
start.elapsed().as_nanos() / repetition as u128
);
}
println!("====================================");
}
Ok(())
}
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