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willcroziwillcrozi
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Add benchmarks for Combinations
Renames tuple_combinations benchmark functions to tuple_comb_* for clarity in test results.
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+153
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3 files changed

+153
-24
lines changed

‎Cargo.toml‎

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Original file line numberDiff line numberDiff line change
@@ -67,3 +67,7 @@ harness = false
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[[bench]]
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name = "bench1"
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harness = false
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[[bench]]
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name = "combinations"
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harness = false

‎benches/combinations.rs‎

Lines changed: 125 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,125 @@
1+
use criterion::{black_box, criterion_group, criterion_main, Criterion};
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use itertools::Itertools;
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// approximate 100_000 iterations for each combination
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const N1: usize = 100_000;
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const N2: usize = 448;
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const N3: usize = 86;
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const N4: usize = 41;
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const N14: usize = 21;
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fn comb_for1(c: &mut Criterion) {
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c.bench_function("comb for1", move |b| {
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b.iter(|| {
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for i in 0..N1 {
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black_box(vec![i]);
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}
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})
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});
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}
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fn comb_for2(c: &mut Criterion) {
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c.bench_function("comb for2", move |b| {
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b.iter(|| {
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for i in 0..N2 {
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for j in (i + 1)..N2 {
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black_box(vec![i, j]);
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}
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}
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})
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});
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}
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fn comb_for3(c: &mut Criterion) {
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c.bench_function("comb for3", move |b| {
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b.iter(|| {
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for i in 0..N3 {
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for j in (i + 1)..N3 {
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for k in (j + 1)..N3 {
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black_box(vec![i, j, k]);
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}
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}
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}
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})
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});
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}
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fn comb_for4(c: &mut Criterion) {
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c.bench_function("comb for4", move |b| {
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b.iter(|| {
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for i in 0..N4 {
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for j in (i + 1)..N4 {
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for k in (j + 1)..N4 {
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for l in (k + 1)..N4 {
54+
black_box(vec![i, j, k, l]);
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}
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}
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}
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}
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})
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});
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}
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fn comb_c1(c: &mut Criterion) {
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c.bench_function("comb c1", move |b| {
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b.iter(|| {
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for combo in (0..N1).combinations(1) {
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black_box(combo);
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}
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})
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});
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}
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fn comb_c2(c: &mut Criterion) {
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c.bench_function("comb c2", move |b| {
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b.iter(|| {
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for combo in (0..N2).combinations(2) {
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black_box(combo);
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}
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})
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});
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}
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fn comb_c3(c: &mut Criterion) {
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c.bench_function("comb c3", move |b| {
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b.iter(|| {
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for combo in (0..N3).combinations(3) {
87+
black_box(combo);
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}
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})
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});
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}
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fn comb_c4(c: &mut Criterion) {
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c.bench_function("comb c4", move |b| {
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b.iter(|| {
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for combo in (0..N4).combinations(4) {
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black_box(combo);
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}
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})
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});
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}
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fn comb_c14(c: &mut Criterion) {
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c.bench_function("comb c14", move |b| {
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b.iter(|| {
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for combo in (0..N14).combinations(14) {
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black_box(combo);
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}
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})
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});
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}
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criterion_group!(
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benches,
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comb_for1,
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comb_for2,
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comb_for3,
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comb_for4,
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comb_c1,
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comb_c2,
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comb_c3,
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comb_c4,
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comb_c14,
124+
);
125+
criterion_main!(benches);

‎benches/tuple_combinations.rs‎

Lines changed: 24 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -7,8 +7,8 @@ const N2: usize = 448;
77
const N3: usize = 86;
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const N4: usize = 41;
99

10-
fn comb_for1(c: &mut Criterion) {
11-
c.bench_function("comb for1", move |b| {
10+
fn tuple_comb_for1(c: &mut Criterion) {
11+
c.bench_function("tuple comb for1", move |b| {
1212
b.iter(|| {
1313
for i in 0..N1 {
1414
black_box(i);
@@ -17,8 +17,8 @@ fn comb_for1(c: &mut Criterion) {
1717
});
1818
}
1919

20-
fn comb_for2(c: &mut Criterion) {
21-
c.bench_function("comb for2", move |b| {
20+
fn tuple_comb_for2(c: &mut Criterion) {
21+
c.bench_function("tuple comb for2", move |b| {
2222
b.iter(|| {
2323
for i in 0..N2 {
2424
for j in (i + 1)..N2 {
@@ -29,8 +29,8 @@ fn comb_for2(c: &mut Criterion) {
2929
});
3030
}
3131

32-
fn comb_for3(c: &mut Criterion) {
33-
c.bench_function("comb for3", move |b| {
32+
fn tuple_comb_for3(c: &mut Criterion) {
33+
c.bench_function("tuple comb for3", move |b| {
3434
b.iter(|| {
3535
for i in 0..N3 {
3636
for j in (i + 1)..N3 {
@@ -43,8 +43,8 @@ fn comb_for3(c: &mut Criterion) {
4343
});
4444
}
4545

46-
fn comb_for4(c: &mut Criterion) {
47-
c.bench_function("comb for4", move |b| {
46+
fn tuple_comb_for4(c: &mut Criterion) {
47+
c.bench_function("tuple comb for4", move |b| {
4848
b.iter(|| {
4949
for i in 0..N4 {
5050
for j in (i + 1)..N4 {
@@ -59,8 +59,8 @@ fn comb_for4(c: &mut Criterion) {
5959
});
6060
}
6161

62-
fn comb_c1(c: &mut Criterion) {
63-
c.bench_function("comb c1", move |b| {
62+
fn tuple_comb_c1(c: &mut Criterion) {
63+
c.bench_function("tuple comb c1", move |b| {
6464
b.iter(|| {
6565
for (i,) in (0..N1).tuple_combinations() {
6666
black_box(i);
@@ -69,8 +69,8 @@ fn comb_c1(c: &mut Criterion) {
6969
});
7070
}
7171

72-
fn comb_c2(c: &mut Criterion) {
73-
c.bench_function("comb c2", move |b| {
72+
fn tuple_comb_c2(c: &mut Criterion) {
73+
c.bench_function("tuple comb c2", move |b| {
7474
b.iter(|| {
7575
for (i, j) in (0..N2).tuple_combinations() {
7676
black_box(i + j);
@@ -79,8 +79,8 @@ fn comb_c2(c: &mut Criterion) {
7979
});
8080
}
8181

82-
fn comb_c3(c: &mut Criterion) {
83-
c.bench_function("comb c3", move |b| {
82+
fn tuple_comb_c3(c: &mut Criterion) {
83+
c.bench_function("tuple comb c3", move |b| {
8484
b.iter(|| {
8585
for (i, j, k) in (0..N3).tuple_combinations() {
8686
black_box(i + j + k);
@@ -89,8 +89,8 @@ fn comb_c3(c: &mut Criterion) {
8989
});
9090
}
9191

92-
fn comb_c4(c: &mut Criterion) {
93-
c.bench_function("comb c4", move |b| {
92+
fn tuple_comb_c4(c: &mut Criterion) {
93+
c.bench_function("tuple comb c4", move |b| {
9494
b.iter(|| {
9595
for (i, j, k, l) in (0..N4).tuple_combinations() {
9696
black_box(i + j + k + l);
@@ -101,13 +101,13 @@ fn comb_c4(c: &mut Criterion) {
101101

102102
criterion_group!(
103103
benches,
104-
comb_for1,
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comb_for2,
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comb_for3,
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comb_for4,
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comb_c1,
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comb_c2,
110-
comb_c3,
111-
comb_c4,
104+
tuple_comb_for1,
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tuple_comb_for2,
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tuple_comb_for3,
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tuple_comb_for4,
108+
tuple_comb_c1,
109+
tuple_comb_c2,
110+
tuple_comb_c3,
111+
tuple_comb_c4,
112112
);
113113
criterion_main!(benches);

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