(feature): Benchmarking Poseidon

crypto/Cargo.toml

@@ -35,3 +35,7 @@ harness = false
 [[bench]]
 name = "iai_merkle"
 harness = false
+
+[[bench]]
+name= "criterion_poseidon"
+harness=false

crypto/benches/criterion_poseidon.rs

@@ -0,0 +1,18 @@
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use lambdaworks_crypto::hash::poseidon::starknet::PoseidonCairoStark252;
+use lambdaworks_crypto::hash::poseidon::Poseidon;
+use lambdaworks_math::field::element::FieldElement;
+use lambdaworks_math::field::fields::fft_friendly::stark_252_prime_field::Stark252PrimeField;
+
+fn poseidon_benchmarks(c: &mut Criterion) {
+    let x = FieldElement::<Stark252PrimeField>::from_hex("0x123456").unwrap();
+    let y = FieldElement::<Stark252PrimeField>::from_hex("0x789101").unwrap();
+    let mut group = c.benchmark_group("Poseidon Benchmark");
+
+    // Benchmark with black_box is 0.41% faster
+    group.bench_function("Hashing with black_box", |bench| {
+        bench.iter(|| black_box(PoseidonCairoStark252::hash(&x, &y)))
+    });
+}
+criterion_group!(poseidon, poseidon_benchmarks);
+criterion_main!(poseidon);