Add benchmarks using library interface

benches/run_criterion.rs

@@ -0,0 +1,14 @@
+use criterion::{criterion_group, criterion_main, Criterion};
+
+mod setup;
+
+fn bench_criterion(c: &mut Criterion) {
+    setup::benches().run_all_criterion(c);
+}
+
+criterion_group!(
+    name = bench_group;
+    config = Criterion::default().sample_size(10);
+    targets = bench_criterion
+);
+criterion_main!(bench_group);