chore: add bls12-381 benchmarks

Cargo.toml

@@ -69,8 +69,8 @@ alloy-signer-local = { version = "0.12.4", default-features = false }
 alloy-transport = { version = "0.12.4", default-features = false }
 
 # precompiles
-ark-bn254 = { version = "0.5", default-features = false }
 ark-bls12-381 = { version = "0.5", default-features = false }
+ark-bn254 = { version = "0.5", default-features = false }
 ark-ec = { version = "0.5", default-features = false }
 ark-ff = { version = "0.5", default-features = false }
 ark-serialize = { version = "0.5", default-features = false }

crates/precompile/benches/bench.rs

@@ -1,3 +1,5 @@
+pub mod eip2537;
+
 use criterion::{criterion_group, criterion_main, Criterion};
 use primitives::{eip4844::VERSIONED_HASH_VERSION_KZG, hex, keccak256, Bytes, U256};
 use revm_precompile::{
@@ -122,6 +124,14 @@ pub fn benchmark_crypto_precompiles(c: &mut Criterion) {
     let output = run(&kzg_input, gas).unwrap();
     println!("gas used by kzg precompile: {:?}", output.gas_used);
 
+    eip2537::add_g1_add_benches(&mut group);
+    eip2537::add_g2_add_benches(&mut group);
+    eip2537::add_g1_msm_benches(&mut group);
+    eip2537::add_g2_msm_benches(&mut group);
+    eip2537::add_pairing_benches(&mut group);
+    eip2537::add_map_fp_to_g1_benches(&mut group);
+    eip2537::add_map_fp2_to_g2_benches(&mut group);
+
     group.bench_function(group_name("ecrecover precompile"), |b| {
         b.iter(|| ec_recover_run(&message_and_signature, u64::MAX).unwrap())
     });

crates/precompile/benches/eip2537.rs

@@ -0,0 +1,305 @@
+use ark_bls12_381::{Fq, Fr, G1Affine, G2Affine};
+use ark_ec::AffineRepr;
+use arkworks_general::{encode_base_field, encode_field_32_bytes, random_field, random_points};
+use criterion::{measurement::Measurement, BenchmarkGroup};
+use primitives::Bytes;
+use rand::{rngs::StdRng, SeedableRng};
+use revm_precompile::bls12_381_const::{PADDED_FP_LENGTH, PADDED_G1_LENGTH, PADDED_G2_LENGTH};
+
+const RNG_SEED: u64 = 42;
+const MAX_MSM_SIZE: usize = 256;
+const MAX_PAIRING_PAIRS: usize = 16;
+
+type PrecompileInput = Vec<u8>;
+
+mod arkworks_general {
+    use ark_bls12_381::Fq;
+    use ark_ec::AffineRepr;
+    use ark_ff::Field;
+
+    use ark_serialize::CanonicalSerialize;
+    use rand::rngs::StdRng;
+    use revm_precompile::bls12_381_const::{FP_LENGTH, FP_PAD_BY, PADDED_FP_LENGTH};
+
+    pub(super) fn random_points<P: AffineRepr>(num_points: usize, rng: &mut StdRng) -> Vec<P> {
+        let mut points = Vec::new();
+        for _ in 0..num_points {
+            points.push(P::rand(rng));
+        }
+        points
+    }
+
+    pub(super) fn random_field<F: Field>(num_scalars: usize, rng: &mut StdRng) -> Vec<F> {
+        let mut points = Vec::new();
+        for _ in 0..num_scalars {
+            points.push(F::rand(rng));
+        }
+        points
+    }
+
+    // Note: This is kept separate from encode_base_field since it's for Fr scalars (32 bytes)
+    // while encode_base_field is for Fq field elements (padded to 64 bytes)
+    pub(super) fn encode_field_32_bytes<F: Field>(field: &F) -> Vec<u8> {
+        let mut bytes_be = vec![0u8; 32];
+        field
+            .serialize_uncompressed(&mut bytes_be[..])
+            .expect("Failed to serialize field element");
+        bytes_be.reverse();
+
+        bytes_be
+    }
+
+    // Add padding to Fq field element and convert it to big endian (BE) format
+    pub(super) fn encode_base_field(fp: &Fq) -> Vec<u8> {
+        let mut bytes = [0u8; FP_LENGTH];
+        fp.serialize_uncompressed(&mut bytes[..])
+            .expect("Failed to serialize field element");
+        bytes.reverse(); // Convert to big endian
+
+        // Add padding
+        let mut padded_bytes = vec![0; PADDED_FP_LENGTH];
+        padded_bytes[FP_PAD_BY..PADDED_FP_LENGTH].copy_from_slice(&bytes);
+
+        padded_bytes
+    }
+}
+
+// Note: This has been copied in from precompile/src/bls12_381 since
+// those are not public
+pub fn encode_bls12381_g1_point(input: &G1Affine) -> [u8; PADDED_G1_LENGTH] {
+    let mut output = [0u8; PADDED_G1_LENGTH];
+
+    let Some((x, y)) = input.xy() else {
+        return output; // Point at infinity, return all zeros
+    };
+
+    let x_encoded = encode_base_field(&x);
+    let y_encoded = encode_base_field(&y);
+
+    // Copy the encoded values to the output
+    output[..PADDED_FP_LENGTH].copy_from_slice(&x_encoded);
+    output[PADDED_FP_LENGTH..].copy_from_slice(&y_encoded);
+
+    output
+}
+pub fn encode_bls12381_g2_point(input: &G2Affine) -> [u8; PADDED_G2_LENGTH] {
+    let mut output = [0u8; PADDED_G2_LENGTH];
+
+    let Some((x, y)) = input.xy() else {
+        return output; // Point at infinity, return all zeros
+    };
+
+    let x_c0_encoded = encode_base_field(&x.c0);
+    let x_c1_encoded = encode_base_field(&x.c1);
+    let y_c0_encoded = encode_base_field(&y.c0);
+    let y_c1_encoded = encode_base_field(&y.c1);
+
+    // Copy encoded values to output
+    output[..PADDED_FP_LENGTH].copy_from_slice(&x_c0_encoded);
+    output[PADDED_FP_LENGTH..2 * PADDED_FP_LENGTH].copy_from_slice(&x_c1_encoded);
+    output[2 * PADDED_FP_LENGTH..3 * PADDED_FP_LENGTH].copy_from_slice(&y_c0_encoded);
+    output[3 * PADDED_FP_LENGTH..4 * PADDED_FP_LENGTH].copy_from_slice(&y_c1_encoded);
+
+    output
+}
+
+fn g1_add_test_vectors(num_test_vectors: usize, rng: &mut StdRng) -> Vec<PrecompileInput> {
+    let num_g1_points = num_test_vectors * 2;
+    let points: Vec<G1Affine> = random_points(num_g1_points, rng);
+
+    points
+        .chunks_exact(2)
+        .map(|chunk| {
+            let lhs = chunk[0];
+            let rhs = chunk[1];
+            let mut g1_add_input = Vec::new();
+            g1_add_input.extend(encode_bls12381_g1_point(&lhs));
+            g1_add_input.extend(encode_bls12381_g1_point(&rhs));
+            g1_add_input
+        })
+        .collect()
+}
+
+fn g2_add_test_vectors(num_test_vectors: usize, rng: &mut StdRng) -> Vec<PrecompileInput> {
+    let num_g2_points = num_test_vectors * 2;
+    let points: Vec<G2Affine> = random_points(num_g2_points, rng);
+
+    points
+        .chunks_exact(2)
+        .map(|chunk| {
+            let lhs = chunk[0];
+            let rhs = chunk[1];
+            let mut g2_add_input = Vec::new();
+            g2_add_input.extend(encode_bls12381_g2_point(&lhs));
+            g2_add_input.extend(encode_bls12381_g2_point(&rhs));
+            g2_add_input
+        })
+        .collect()
+}
+
+pub fn add_g1_add_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::g1_add::PRECOMPILE;
+
+    let mut rng = StdRng::seed_from_u64(RNG_SEED);
+    let test_vectors = g1_add_test_vectors(1, &mut rng);
+    let input = Bytes::from(test_vectors[0].clone());
+
+    let precompile = *PRECOMPILE.precompile();
+
+    group.bench_function("g1_add", |b| {
+        b.iter(|| precompile(&input, u64::MAX).unwrap());
+    });
+}
+
+pub fn add_g2_add_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::g2_add::PRECOMPILE;
+
+    let mut rng = StdRng::seed_from_u64(RNG_SEED);
+    let test_vectors = g2_add_test_vectors(1, &mut rng);
+    let input = Bytes::from(test_vectors[0].clone());
+
+    let precompile = *PRECOMPILE.precompile();
+
+    group.bench_function("g2_add", |b| {
+        b.iter(|| precompile(&input, u64::MAX).unwrap());
+    });
+}
+
+pub fn add_g1_msm_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::g1_msm::PRECOMPILE;
+
+    let precompile = *PRECOMPILE.precompile();
+
+    let sizes_to_bench = [MAX_MSM_SIZE, MAX_MSM_SIZE / 2, 2, 1];
+
+    for size in sizes_to_bench {
+        let mut rng = StdRng::seed_from_u64(RNG_SEED);
+        let test_vector = g1_msm_test_vectors(size, &mut rng);
+        let input = Bytes::from(test_vector);
+
+        group.bench_function(format!("g1_msm (size {})", size), |b| {
+            b.iter(|| precompile(&input, u64::MAX).unwrap());
+        });
+    }
+}
+
+fn g1_msm_test_vectors(msm_size: usize, rng: &mut StdRng) -> PrecompileInput {
+    let points: Vec<G1Affine> = random_points(msm_size, rng);
+    let scalars: Vec<Fr> = random_field(msm_size, rng);
+
+    let mut input = Vec::new();
+    for (point, scalar) in points.iter().zip(scalars.iter()) {
+        input.extend(encode_bls12381_g1_point(point));
+        input.extend(encode_field_32_bytes(scalar));
+    }
+
+    input
+}
+
+fn g2_msm_test_vectors(msm_size: usize, rng: &mut StdRng) -> PrecompileInput {
+    let points: Vec<G2Affine> = random_points(msm_size, rng);
+    let scalars: Vec<Fr> = random_field(msm_size, rng);
+
+    let mut input = Vec::new();
+    for (point, scalar) in points.iter().zip(scalars.iter()) {
+        input.extend(encode_bls12381_g2_point(point));
+        input.extend(encode_field_32_bytes(scalar));
+    }
+
+    input
+}
+
+pub fn add_g2_msm_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::g2_msm::PRECOMPILE;
+
+    let precompile = *PRECOMPILE.precompile();
+
+    let sizes_to_bench = [MAX_MSM_SIZE, MAX_MSM_SIZE / 2, 2, 1];
+
+    for size in sizes_to_bench {
+        let mut rng = StdRng::seed_from_u64(RNG_SEED);
+        let test_vector = g2_msm_test_vectors(size, &mut rng);
+        let input = Bytes::from(test_vector);
+
+        group.bench_function(format!("g2_msm (size {})", size), |b| {
+            b.iter(|| precompile(&input, u64::MAX).unwrap());
+        });
+    }
+}
+
+fn pairing_test_vectors(num_pairs: usize, rng: &mut StdRng) -> PrecompileInput {
+    // Generate random G1 and G2 points for pairing
+    let g1_points: Vec<G1Affine> = random_points(num_pairs, rng);
+    let g2_points: Vec<G2Affine> = random_points(num_pairs, rng);
+
+    let mut input = Vec::new();
+    for (g1, g2) in g1_points.iter().zip(g2_points.iter()) {
+        input.extend(encode_bls12381_g1_point(g1));
+        input.extend(encode_bls12381_g2_point(g2));
+    }
+
+    input
+}
+
+pub fn add_pairing_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::pairing::PRECOMPILE;
+
+    let precompile = *PRECOMPILE.precompile();
+
+    let sizes_to_bench = [MAX_PAIRING_PAIRS, MAX_PAIRING_PAIRS / 2, 2, 1];
+
+    for pairs in sizes_to_bench {
+        let mut rng = StdRng::seed_from_u64(RNG_SEED);
+        let test_vector = pairing_test_vectors(pairs, &mut rng);
+        let input = Bytes::from(test_vector);
+
+        group.bench_function(format!("pairing ({} pairs)", pairs), |b| {
+            b.iter(|| precompile(&input, u64::MAX).unwrap());
+        });
+    }
+}
+
+fn map_fp_to_g1_test_vectors(rng: &mut StdRng) -> PrecompileInput {
+    let fp: Fq = random_field(1, rng)[0];
+    encode_base_field(&fp)
+}
+
+pub fn add_map_fp_to_g1_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::map_fp_to_g1::PRECOMPILE;
+
+    let mut rng = StdRng::seed_from_u64(RNG_SEED);
+    let test_vector = map_fp_to_g1_test_vectors(&mut rng);
+    let input = Bytes::from(test_vector);
+
+    let precompile = *PRECOMPILE.precompile();
+
+    group.bench_function("map_fp_to_g1", |b| {
+        b.iter(|| precompile(&input, u64::MAX).unwrap());
+    });
+}
+
+fn map_fp2_to_g2_test_vectors(rng: &mut StdRng) -> PrecompileInput {
+    let fp_c0: Fq = random_field(1, rng)[0];
+    let fp_c1: Fq = random_field(1, rng)[0];
+
+    let mut input = Vec::new();
+
+    input.extend(encode_base_field(&fp_c0));
+    input.extend(encode_base_field(&fp_c1));
+
+    input
+}
+
+pub fn add_map_fp2_to_g2_benches<M: Measurement>(group: &mut BenchmarkGroup<'_, M>) {
+    use revm_precompile::bls12_381::map_fp2_to_g2::PRECOMPILE;
+
+    let mut rng = StdRng::seed_from_u64(RNG_SEED);
+    let test_vector = map_fp2_to_g2_test_vectors(&mut rng);
+    let input = Bytes::from(test_vector);
+
+    let precompile = *PRECOMPILE.precompile();
+
+    group.bench_function("map_fp2_to_g2", |b| {
+        b.iter(|| precompile(&input, u64::MAX).unwrap());
+    });
+}