53 lines
1.2 KiB
Rust
53 lines
1.2 KiB
Rust
#![feature(test)]
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#![allow(non_snake_case)]
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extern crate itoa;
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extern crate test;
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macro_rules! benches {
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($($name:ident($value:expr),)*) => {
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mod bench_itoa {
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use test::{Bencher, black_box};
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$(
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#[bench]
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fn $name(b: &mut Bencher) {
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use itoa;
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let mut buf = Vec::with_capacity(20);
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b.iter(|| {
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buf.clear();
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itoa::write(&mut buf, black_box($value)).unwrap()
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});
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}
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)*
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}
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mod bench_fmt {
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use test::{Bencher, black_box};
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$(
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#[bench]
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fn $name(b: &mut Bencher) {
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use std::io::Write;
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let mut buf = Vec::with_capacity(20);
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b.iter(|| {
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buf.clear();
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write!(&mut buf, "{}", black_box($value)).unwrap()
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});
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}
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)*
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}
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}
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}
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benches!(
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bench_0u64(0u64),
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bench_HALFu64(<u32>::max_value() as u64),
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bench_MAXu64(<u64>::max_value()),
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bench_0i16(0i16),
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bench_MINi16(<i16>::min_value()),
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);
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