diff options
Diffstat (limited to 'library/core/benches/char')
-rw-r--r-- | library/core/benches/char/methods.rs | 77 | ||||
-rw-r--r-- | library/core/benches/char/mod.rs | 1 |
2 files changed, 78 insertions, 0 deletions
diff --git a/library/core/benches/char/methods.rs b/library/core/benches/char/methods.rs new file mode 100644 index 000000000..9408f83c3 --- /dev/null +++ b/library/core/benches/char/methods.rs @@ -0,0 +1,77 @@ +use test::Bencher; + +const CHARS: [char; 9] = ['0', 'x', '2', '5', 'A', 'f', '7', '8', '9']; +const RADIX: [u32; 5] = [2, 8, 10, 16, 32]; + +#[bench] +fn bench_to_digit_radix_2(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(2)).min()) +} + +#[bench] +fn bench_to_digit_radix_10(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(10)).min()) +} + +#[bench] +fn bench_to_digit_radix_16(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(16)).min()) +} + +#[bench] +fn bench_to_digit_radix_36(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_digit(36)).min()) +} + +#[bench] +fn bench_to_digit_radix_var(b: &mut Bencher) { + b.iter(|| { + CHARS + .iter() + .cycle() + .zip(RADIX.iter().cycle()) + .take(10_000) + .map(|(c, radix)| c.to_digit(*radix)) + .min() + }) +} + +#[bench] +fn bench_to_ascii_uppercase(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_ascii_uppercase()).min()) +} + +#[bench] +fn bench_to_ascii_lowercase(b: &mut Bencher) { + b.iter(|| CHARS.iter().cycle().take(10_000).map(|c| c.to_ascii_lowercase()).min()) +} + +#[bench] +fn bench_ascii_mix_to_uppercase(b: &mut Bencher) { + b.iter(|| (0..=255).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count()) +} + +#[bench] +fn bench_ascii_mix_to_lowercase(b: &mut Bencher) { + b.iter(|| (0..=255).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count()) +} + +#[bench] +fn bench_ascii_char_to_uppercase(b: &mut Bencher) { + b.iter(|| (0..=127).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count()) +} + +#[bench] +fn bench_ascii_char_to_lowercase(b: &mut Bencher) { + b.iter(|| (0..=127).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count()) +} + +#[bench] +fn bench_non_ascii_char_to_uppercase(b: &mut Bencher) { + b.iter(|| (128..=255).cycle().take(10_000).map(|b| char::from(b).to_uppercase()).count()) +} + +#[bench] +fn bench_non_ascii_char_to_lowercase(b: &mut Bencher) { + b.iter(|| (128..=255).cycle().take(10_000).map(|b| char::from(b).to_lowercase()).count()) +} diff --git a/library/core/benches/char/mod.rs b/library/core/benches/char/mod.rs new file mode 100644 index 000000000..9ca51a768 --- /dev/null +++ b/library/core/benches/char/mod.rs @@ -0,0 +1 @@ +mod methods; |