90 lines
1.9 KiB
Rust
90 lines
1.9 KiB
Rust
|
||
extern crate arrayvec;
|
||
#[macro_use] extern crate bencher;
|
||
|
||
use arrayvec::ArrayString;
|
||
|
||
use bencher::Bencher;
|
||
|
||
fn try_push_c(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
b.iter(|| {
|
||
v.clear();
|
||
while v.try_push('c').is_ok() {
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
fn try_push_alpha(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
b.iter(|| {
|
||
v.clear();
|
||
while v.try_push('α').is_ok() {
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
// Yes, pushing a string char-by-char is slow. Use .push_str.
|
||
fn try_push_string(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
let input = "abcαβγ“”";
|
||
b.iter(|| {
|
||
v.clear();
|
||
for ch in input.chars().cycle() {
|
||
if !v.try_push(ch).is_ok() {
|
||
break;
|
||
}
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
fn push_c(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
b.iter(|| {
|
||
v.clear();
|
||
while !v.is_full() {
|
||
v.push('c');
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
fn push_alpha(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
b.iter(|| {
|
||
v.clear();
|
||
while !v.is_full() {
|
||
v.push('α');
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
fn push_string(b: &mut Bencher) {
|
||
let mut v = ArrayString::<512>::new();
|
||
let input = "abcαβγ“”";
|
||
b.iter(|| {
|
||
v.clear();
|
||
for ch in input.chars().cycle() {
|
||
if !v.is_full() {
|
||
v.push(ch);
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
v.len()
|
||
});
|
||
b.bytes = v.capacity() as u64;
|
||
}
|
||
|
||
benchmark_group!(benches, try_push_c, try_push_alpha, try_push_string, push_c,
|
||
push_alpha, push_string);
|
||
benchmark_main!(benches);
|