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Add simple benchmark for Array.of (#25711)

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**before:**

```
$ bun bench/snippets/array-of.js
cpu: Apple M4 Max
runtime: bun 1.3.5 (arm64-darwin)

benchmark                                  time (avg)             (min … max)       p75       p99      p999
----------------------------------------------------------------------------- -----------------------------
int: Array.of(1,2,3,4,5)                 9.19 ns/iter       (8.1 ns … 108 ns)   9.28 ns  13.63 ns  69.44 ns
int: Array.of(100 elements)             1'055 ns/iter   (94.58 ns … 1'216 ns)  1'108 ns  1'209 ns  1'216 ns
double: Array.of(1.1,2.2,3.3,4.4,5.5)   10.34 ns/iter      (8.81 ns … 102 ns)  10.17 ns  17.19 ns  73.51 ns
double: Array.of(100 elements)          1'073 ns/iter     (124 ns … 1'215 ns)  1'136 ns  1'204 ns  1'215 ns
object: Array.of(obj x5)                19.19 ns/iter     (16.58 ns … 122 ns)  19.06 ns   77.6 ns  85.75 ns
object: Array.of(100 elements)          1'340 ns/iter     (294 ns … 1'568 ns)  1'465 ns  1'537 ns  1'568 ns
```

**after:**

```
$ ./build/release/bun bench/snippets/array-of.js
cpu: Apple M4 Max
runtime: bun 1.3.6 (arm64-darwin)

benchmark                                  time (avg)             (min … max)       p75       p99      p999
----------------------------------------------------------------------------- -----------------------------
int: Array.of(1,2,3,4,5)                 2.68 ns/iter    (2.14 ns … 92.96 ns)   2.52 ns   3.95 ns  59.73 ns
int: Array.of(100 elements)             23.69 ns/iter     (18.88 ns … 155 ns)  20.91 ns  83.82 ns  96.66 ns
double: Array.of(1.1,2.2,3.3,4.4,5.5)    3.62 ns/iter    (2.97 ns … 75.44 ns)   3.46 ns   5.05 ns  65.82 ns
double: Array.of(100 elements)          26.96 ns/iter     (20.14 ns … 156 ns)  24.45 ns  87.75 ns  96.88 ns
object: Array.of(obj x5)                11.82 ns/iter     (9.6 ns … 87.38 ns)  11.23 ns  68.99 ns  77.09 ns
object: Array.of(100 elements)            236 ns/iter       (206 ns … 420 ns)    273 ns    325 ns    386 ns
```
This commit is contained in:
SUZUKI Sosuke
2025-12-27 17:05:57 +09:00
committed by GitHub
parent d3a5f2eef2
commit 01de0ecbd9
1 changed files with 335 additions and 0 deletions
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335
bench/snippets/array-of.js Normal file
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@@ -0,0 +1,335 @@
import { bench, run } from "../runner.mjs";
let sink;
// Integers
bench("int: Array.of(1,2,3,4,5)", () => {
sink = Array.of(1, 2, 3, 4, 5);
});
bench("int: Array.of(100 elements)", () => {
sink = Array.of(
0,
1,
2,
3,
4,
5,
6,
7,
8,
9,
10,
11,
12,
13,
14,
15,
16,
17,
18,
19,
20,
21,
22,
23,
24,
25,
26,
27,
28,
29,
30,
31,
32,
33,
34,
35,
36,
37,
38,
39,
40,
41,
42,
43,
44,
45,
46,
47,
48,
49,
50,
51,
52,
53,
54,
55,
56,
57,
58,
59,
60,
61,
62,
63,
64,
65,
66,
67,
68,
69,
70,
71,
72,
73,
74,
75,
76,
77,
78,
79,
80,
81,
82,
83,
84,
85,
86,
87,
88,
89,
90,
91,
92,
93,
94,
95,
96,
97,
98,
99,
);
});
// Doubles
bench("double: Array.of(1.1,2.2,3.3,4.4,5.5)", () => {
sink = Array.of(1.1, 2.2, 3.3, 4.4, 5.5);
});
bench("double: Array.of(100 elements)", () => {
sink = Array.of(
0.1,
1.1,
2.1,
3.1,
4.1,
5.1,
6.1,
7.1,
8.1,
9.1,
10.1,
11.1,
12.1,
13.1,
14.1,
15.1,
16.1,
17.1,
18.1,
19.1,
20.1,
21.1,
22.1,
23.1,
24.1,
25.1,
26.1,
27.1,
28.1,
29.1,
30.1,
31.1,
32.1,
33.1,
34.1,
35.1,
36.1,
37.1,
38.1,
39.1,
40.1,
41.1,
42.1,
43.1,
44.1,
45.1,
46.1,
47.1,
48.1,
49.1,
50.1,
51.1,
52.1,
53.1,
54.1,
55.1,
56.1,
57.1,
58.1,
59.1,
60.1,
61.1,
62.1,
63.1,
64.1,
65.1,
66.1,
67.1,
68.1,
69.1,
70.1,
71.1,
72.1,
73.1,
74.1,
75.1,
76.1,
77.1,
78.1,
79.1,
80.1,
81.1,
82.1,
83.1,
84.1,
85.1,
86.1,
87.1,
88.1,
89.1,
90.1,
91.1,
92.1,
93.1,
94.1,
95.1,
96.1,
97.1,
98.1,
99.1,
);
});
// Objects
bench("object: Array.of(obj x5)", () => {
sink = Array.of({ a: 1 }, { a: 2 }, { a: 3 }, { a: 4 }, { a: 5 });
});
bench("object: Array.of(100 elements)", () => {
sink = Array.of(
{ a: 0 },
{ a: 1 },
{ a: 2 },
{ a: 3 },
{ a: 4 },
{ a: 5 },
{ a: 6 },
{ a: 7 },
{ a: 8 },
{ a: 9 },
{ a: 10 },
{ a: 11 },
{ a: 12 },
{ a: 13 },
{ a: 14 },
{ a: 15 },
{ a: 16 },
{ a: 17 },
{ a: 18 },
{ a: 19 },
{ a: 20 },
{ a: 21 },
{ a: 22 },
{ a: 23 },
{ a: 24 },
{ a: 25 },
{ a: 26 },
{ a: 27 },
{ a: 28 },
{ a: 29 },
{ a: 30 },
{ a: 31 },
{ a: 32 },
{ a: 33 },
{ a: 34 },
{ a: 35 },
{ a: 36 },
{ a: 37 },
{ a: 38 },
{ a: 39 },
{ a: 40 },
{ a: 41 },
{ a: 42 },
{ a: 43 },
{ a: 44 },
{ a: 45 },
{ a: 46 },
{ a: 47 },
{ a: 48 },
{ a: 49 },
{ a: 50 },
{ a: 51 },
{ a: 52 },
{ a: 53 },
{ a: 54 },
{ a: 55 },
{ a: 56 },
{ a: 57 },
{ a: 58 },
{ a: 59 },
{ a: 60 },
{ a: 61 },
{ a: 62 },
{ a: 63 },
{ a: 64 },
{ a: 65 },
{ a: 66 },
{ a: 67 },
{ a: 68 },
{ a: 69 },
{ a: 70 },
{ a: 71 },
{ a: 72 },
{ a: 73 },
{ a: 74 },
{ a: 75 },
{ a: 76 },
{ a: 77 },
{ a: 78 },
{ a: 79 },
{ a: 80 },
{ a: 81 },
{ a: 82 },
{ a: 83 },
{ a: 84 },
{ a: 85 },
{ a: 86 },
{ a: 87 },
{ a: 88 },
{ a: 89 },
{ a: 90 },
{ a: 91 },
{ a: 92 },
{ a: 93 },
{ a: 94 },
{ a: 95 },
{ a: 96 },
{ a: 97 },
{ a: 98 },
{ a: 99 },
);
});
await run();