poseidon-rs/benches/bench_poseidon_hash.rs

use criterion::{black_box, criterion_group, criterion_main, Criterion};

extern crate rand;
#[macro_use]
extern crate ff;
use ff::*;

use poseidon_rs::Poseidon;

fn criterion_benchmark(c: &mut Criterion) {
    let b1: poseidon_rs::Fr = poseidon_rs::Fr::from_str(
        "12242166908188651009877250812424843524687801523336557272219921456462821518061",
    )
    .unwrap();
    let b2: poseidon_rs::Fr = poseidon_rs::Fr::from_str(
        "12242166908188651009877250812424843524687801523336557272219921456462821518061",
    )
    .unwrap();
    let mut big_arr: Vec<poseidon_rs::Fr> = Vec::new();
    big_arr.push(b1.clone());
    big_arr.push(b2.clone());
    let poseidon = Poseidon::new();

    c.bench_function("hash", |b| {
        b.iter(|| poseidon.hash(big_arr.clone()).unwrap())
    });
}

criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);