reduce the number of loops and the warmup time

benches/commit.rs

+use std::time::Duration;
+
 use ark_bls12_381::{Bls12_381, Fr, G1Projective};
 use ark_ec::{pairing::Pairing, CurveGroup};
 use ark_ff::PrimeField;
@@ -74,5 +76,11 @@ fn ark_commit(c: &mut Criterion) {
     }
 }
 
-criterion_group!(benches, commit, ark_commit);
+criterion_group!(
+    name = benches;
+    config = Criterion::default()
+        .warm_up_time(Duration::from_secs_f32(0.5))
+        .sample_size(10);
+    targets = commit, ark_commit
+);
 criterion_main!(benches);

benches/linalg.rs

+use std::time::Duration;
+
 use ark_bls12_381::Fr;
 use ark_ff::PrimeField;
 
@@ -54,5 +56,11 @@ fn mul(c: &mut Criterion) {
     }
 }
 
-criterion_group!(benches, inverse, transpose, mul);
+criterion_group!(
+    name = benches;
+    config = Criterion::default()
+        .warm_up_time(Duration::from_secs_f32(0.5))
+        .sample_size(10);
+    targets = inverse, transpose, mul
+);
 criterion_main!(benches);

benches/recoding.rs

+use std::time::Duration;
+
 use ark_bls12_381::Fr;
 use ark_ff::PrimeField;
 use ark_std::rand::Rng;
@@ -60,5 +62,11 @@ fn criterion_benchmark(c: &mut Criterion) {
     }
 }
 
-criterion_group!(benches, criterion_benchmark);
+criterion_group!(
+    name = benches;
+    config = Criterion::default()
+        .warm_up_time(Duration::from_secs_f32(0.5))
+        .sample_size(10);
+    targets = criterion_benchmark
+);
 criterion_main!(benches);

benches/setup.rs

+use std::time::Duration;
+
 use ark_bls12_381::{Bls12_381, Fr, G1Projective};
 use ark_ec::{pairing::Pairing, CurveGroup};
 use ark_ff::PrimeField;
@@ -162,5 +164,11 @@ fn ark_setup(c: &mut Criterion) {
     }
 }
 
-criterion_group!(benches, setup, ark_setup);
+criterion_group!(
+    name = benches;
+    config = Criterion::default()
+        .warm_up_time(Duration::from_secs_f32(0.5))
+        .sample_size(10);
+    targets = setup, ark_setup
+);
 criterion_main!(benches);