add benches for bls12_381

Author: nategraf

benches/msm.rs

@@ -63,10 +63,46 @@ fn bench_msm_p256(c: &mut Criterion) {
     group.finish();
 }
 
+fn bench_msm_bls12_381_g1(c: &mut Criterion) {
+    use bls12_381::{G1Projective, Scalar};
+
+    let mut group = c.benchmark_group("MSM bls12_381 G1Projective");
+    let mut rng = thread_rng();
+
+    for size in [1, 2, 4, 8, 16, 64, 256, 1024].iter() {
+        let scalars: Vec<Scalar> = (0..*size).map(|_| Scalar::random(&mut rng)).collect();
+        let bases: Vec<G1Projective> = (0..*size).map(|_| G1Projective::random(&mut rng)).collect();
+
+        group.bench_with_input(BenchmarkId::new("size", size), size, |b, _| {
+            b.iter(|| G1Projective::msm(black_box(&scalars), black_box(&bases)))
+        });
+    }
+    group.finish();
+}
+
+fn bench_msm_bls12_381_g2(c: &mut Criterion) {
+    use bls12_381::{G2Projective, Scalar};
+
+    let mut group = c.benchmark_group("MSM bls12_381 G2Projective");
+    let mut rng = thread_rng();
+
+    for size in [1, 2, 4, 8, 16, 64, 256, 1024].iter() {
+        let scalars: Vec<Scalar> = (0..*size).map(|_| Scalar::random(&mut rng)).collect();
+        let bases: Vec<G2Projective> = (0..*size).map(|_| G2Projective::random(&mut rng)).collect();
+
+        group.bench_with_input(BenchmarkId::new("size", size), size, |b, _| {
+            b.iter(|| G2Projective::msm(black_box(&scalars), black_box(&bases)))
+        });
+    }
+    group.finish();
+}
+
 criterion_group!(
     benches,
     bench_msm_curve25519_dalek,
     bench_msm_k256,
-    bench_msm_p256
+    bench_msm_p256,
+    bench_msm_bls12_381_g1,
+    bench_msm_bls12_381_g2,
 );
 criterion_main!(benches);