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Code Issues Releases Wiki Activity

Use itoa in the content-length helper

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This commit is contained in:
Nick Kolpinskiy
2020-05-21 22:25:34 +03:00
parent b9e268e95f
commit 7d8fb631a0
3 changed files with 33 additions and 93 deletions
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24
actix-http/benches/content-length.rs
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@ -25,6 +25,13 @@ fn bench_write_content_length(c: &mut Criterion) {
_new::write_content_length(i, &mut b)
})
});
group.bench_with_input(BenchmarkId::new("itoa", i), i, |b, &i| {
b.iter(|| {
let mut b = BytesMut::with_capacity(35);
_itoa::write_content_length(i, &mut b)
})
});
}
group.finish();
@ -33,6 +40,23 @@ fn bench_write_content_length(c: &mut Criterion) {
criterion_group!(benches, bench_write_content_length);
criterion_main!(benches);
mod _itoa {
use bytes::{BufMut, BytesMut};
pub fn write_content_length(n: usize, bytes: &mut BytesMut) {
if n == 0 {
bytes.put_slice(b"\r\ncontent-length: 0\r\n");
return;
}
let mut buf = itoa::Buffer::new();
bytes.put_slice(b"\r\ncontent-length: ");
bytes.put_slice(buf.format(n).as_bytes());
bytes.put_slice(b"\r\n");
}
}
mod _new {
use bytes::{BufMut, BytesMut};