56 lines
1.3 KiB
Rust
56 lines
1.3 KiB
Rust
|
#![feature(test)]
|
||
|
|
#![allow(non_snake_case)]
|
||
|
|
#![allow(clippy::cast_lossless)]
|
||
|
|
|
||
|
|
extern crate test;
|
||
|
|
|
||
|
|
macro_rules! benches {
|
||
|
|
($($name:ident($value:expr))*) => {
|
||
|
|
mod bench_itoa_format {
|
||
|
|
use test::{Bencher, black_box};
|
||
|
|
|
||
|
|
$(
|
||
|
|
#[bench]
|
||
|
|
fn $name(b: &mut Bencher) {
|
||
|
|
let mut buffer = itoa::Buffer::new();
|
||
|
|
|
||
|
|
b.iter(|| {
|
||
|
|
let printed = buffer.format(black_box($value));
|
||
|
|
black_box(printed);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
)*
|
||
|
|
}
|
||
|
|
|
||
|
|
mod bench_std_fmt {
|
||
|
|
use std::io::Write;
|
||
|
|
use test::{Bencher, black_box};
|
||
|
|
|
||
|
|
$(
|
||
|
|
#[bench]
|
||
|
|
fn $name(b: &mut Bencher) {
|
||
|
|
let mut buf = Vec::with_capacity(40);
|
||
|
|
|
||
|
|
b.iter(|| {
|
||
|
|
buf.clear();
|
||
|
|
write!(&mut buf, "{}", black_box($value)).unwrap();
|
||
|
|
black_box(&buf);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
)*
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
benches! {
|
||
|
|
bench_u64_0(0u64)
|
||
|
|
bench_u64_half(u32::max_value() as u64)
|
||
|
|
bench_u64_max(u64::max_value())
|
||
|
|
|
||
|
|
bench_i16_0(0i16)
|
||
|
|
bench_i16_min(i16::min_value())
|
||
|
|
|
||
|
|
bench_u128_0(0u128)
|
||
|
|
bench_u128_max(u128::max_value())
|
||
|
|
}
|