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benchmark code (#18)

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zhenfei 2 years ago
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5 changed files with 130 additions and 1 deletions
  1. +6
    -0
      poly-iop/Cargo.toml
  2. +119
    -0
      poly-iop/benches/bench.rs
  3. +3
    -0
      poly-iop/src/lib.rs
  4. +1
    -1
      poly-iop/src/transcript.rs
  5. +1
    -0
      scripts/run_tests.sh

+ 6
- 0
poly-iop/Cargo.toml

@ -19,6 +19,12 @@ displaydoc = { version = "0.2.3", default-features = false }
rayon = { version = "1.5.2", default-features = false, optional = true }
# Benchmarks
[[bench]]
name = "poly-iop-benches"
path = "benches/bench.rs"
harness = false
[features]
# default = [ "parallel", "print-trace" ]
default = [ "parallel" ]

+ 119
- 0
poly-iop/benches/bench.rs

@ -0,0 +1,119 @@
use std::time::Instant;
use ark_bls12_381::Fr;
use ark_std::test_rng;
use poly_iop::{PolyIOP, PolyIOPErrors, SumCheck, VirtualPolynomial, ZeroCheck};
fn main() -> Result<(), PolyIOPErrors> {
bench_sum_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.domain_info.clone();
let proof = {
let start = Instant::now();
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
);
proof
};
{
let start = Instant::now();
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: {} ns",
nv,
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.domain_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 subclaim =
<PolyIOP<Fr> as ZeroCheck<Fr>>::verify(&proof, &poly_info, &mut transcript)?.0;
assert!(
poly.evaluate(&subclaim.point)? == subclaim.expected_evaluation,
"wrong subclaim"
);
println!(
"zero check verification time for {} variables: {} ns",
nv,
start.elapsed().as_nanos() / repetition as u128
);
}
println!("====================================");
}
}
Ok(())
}

+ 3
- 0
poly-iop/src/lib.rs

@ -9,7 +9,10 @@ mod utils;
mod virtual_poly;
mod zero_check;
pub use errors::PolyIOPErrors;
pub use sum_check::SumCheck;
pub use virtual_poly::VirtualPolynomial;
pub use zero_check::ZeroCheck;
/// Struct for PolyIOP protocol.
/// It is instantiated with

+ 1
- 1
poly-iop/src/transcript.rs

@ -27,7 +27,7 @@ impl IOPTranscript {
}
// append the message to the transcript
pub(crate) fn append_message(
pub fn append_message(
&mut self,
label: &'static [u8],
msg: &[u8],

+ 1
- 0
scripts/run_tests.sh

@ -6,3 +6,4 @@ export RUSTFLAGS="-C overflow-checks=on"
cargo test --release -- -Zunstable-options --report-time
cargo test --no-run --features=print-trace
cargo test --no-run --no-default-features
cargo bench --no-run

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