54 lines
1.3 KiB
Rust
54 lines
1.3 KiB
Rust
#![feature(test)]
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extern crate dtoa;
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extern crate test;
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macro_rules! benches {
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($($name:ident($value:expr),)*) => {
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mod bench_dtoa {
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use test::{Bencher, black_box};
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$(
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#[bench]
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fn $name(b: &mut Bencher) {
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use dtoa;
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let mut buf = Vec::with_capacity(20);
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b.iter(|| {
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buf.clear();
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dtoa::write(&mut buf, black_box($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_0_f64(0f64),
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bench_short_f64(0.1234f64),
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bench_e_f64(2.718281828459045f64),
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bench_max_f64(::std::f64::MAX),
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bench_0_f32(0f32),
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bench_short_f32(0.1234f32),
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bench_e_f32(2.718281828459045f32),
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bench_max_f32(::std::f32::MAX),
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);
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