SUZUKI Sosuke 01de0ecbd9 Add simple benchmark for Array.of (#25711) ...

**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
```

2025-12-27 00:05:57 -08:00

3.8 KiB

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