// Copyright 2018 Parity Technologies (UK) Ltd. // // Permission is hereby granted, free of charge, to any person obtaining a copy of // this software and associated documentation files (the "Software"), to deal in // the Software without restriction, including without limitation the rights to // use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of // the Software, and to permit persons to whom the Software is furnished to do so, // subject to the following conditions: // // The above copyright notice and this permission notice shall be included in all // copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS // FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS // OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. use criterion::{criterion_group, criterion_main, Criterion}; use std::u64; use unsigned_varint::{decode, encode}; fn bench_decode(c: &mut Criterion) { let mut buf = [0; 10]; let len = encode::u64(u64::MAX, &mut buf).len(); c.bench_function("decode", move |b| b.iter(|| { assert_eq!(u64::MAX, decode::u64(&buf[.. len]).unwrap().0) })); } fn bench_encode(c: &mut Criterion) { let mut buf = [0; 10]; let encoded = [0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 1]; c.bench_function("encode", move |b| b.iter(|| { assert_eq!(&encoded, encode::u64(u64::MAX, &mut buf)); })); } #[cfg(feature = "codec")] fn bench_codec(c: &mut Criterion) { use bytes::{Bytes, BytesMut}; use tokio_util::codec::{Decoder, Encoder}; use unsigned_varint::codec::UviBytes; let data = Bytes::from(vec![1; 8192]); let mut bytes = BytesMut::with_capacity(9000); let mut uvi_bytes = UviBytes::default(); c.bench_function("codec", move |b| b.iter(|| { uvi_bytes.encode(data.clone(), &mut bytes).unwrap(); assert_eq!(data, uvi_bytes.decode(&mut bytes.split_to(bytes.len())).unwrap().unwrap()) })); } #[cfg(feature = "codec")] criterion_group!(benches, bench_encode, bench_decode, bench_codec); #[cfg(not(feature = "codec"))] criterion_group!(benches, bench_encode, bench_decode); criterion_main!(benches);