Benchmark TupleCombinations::fold

rust-itertools · Oct 6, 2023 · 989d1df · 989d1df
1 parent b014b06
commit 989d1df
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/benches/bench1.rs b/benches/bench1.rs
@@ -819,6 +819,17 @@ fn permutations_slice(c: &mut Criterion) {
     });
 }
 
+fn tuple_combinations_fold(c: &mut Criterion) {
+    let v = black_box((0..64).collect_vec());
+    c.bench_function("tuple_combinations fold", move |b| {
+        b.iter(|| {
+            v.iter()
+                .tuple_combinations()
+                .fold(0, |acc, (a, b, c, d)| acc + *a * *c - *b * *d)
+        })
+    });
+}
+
 criterion_group!(
     benches,
     slice_iter,
@@ -866,5 +877,6 @@ criterion_group!(
     permutations_iter,
     permutations_range,
     permutations_slice,
+    tuple_combinations_fold,
 );
 criterion_main!(benches);