84 lines
2.6 KiB
Rust
84 lines
2.6 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Benchmarking RlpNodeCodec decoding performance
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extern crate criterion;
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extern crate patricia_trie_ethereum as ethtrie;
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extern crate trie_db;
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extern crate ethereum_types;
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extern crate rlp;
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use criterion::{Criterion, criterion_group, criterion_main};
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use ethereum_types::H256;
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use ethtrie::RlpNodeCodec;
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use rlp::RlpStream;
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use trie_db::NodeCodec;
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fn decoding(c: &mut Criterion) {
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c.bench_function("decode leaf (inline)", |b| {
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let mut stream = RlpStream::new_list(2);
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stream.append(&"cat").append(&"dog");
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data) });
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});
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c.bench_function("decode extension (inline)", |b| {
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let mut stream = RlpStream::new_list(2);
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let payload = vec![0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9u8];
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stream.append(&"").append(&payload);
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data) });
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});
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c.bench_function("decode extension (hash)", |b| {
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let mut stream = RlpStream::new_list(2);
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let payload = H256::random();
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stream.append(&"").append(&payload);
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data) });
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});
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c.bench_function("decode branch (hash)", |b| {
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let mut stream = RlpStream::new_list(17);
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for _ in 0..17 {
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stream.append(&H256::random());
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}
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data) });
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});
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c.bench_function("decode branch (inline)", |b| {
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let mut stream = RlpStream::new_list(17);
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for _ in 0..17 {
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stream.append(&[&H256::random().as_bytes(), H256::random().as_bytes()].concat());
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}
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data) });
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});
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c.bench_function("decode empty data", |b| {
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let mut stream = RlpStream::new();
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stream.append_empty_data();
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let data = stream.out();
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b.iter(|| { RlpNodeCodec::decode(&data)});
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});
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}
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criterion_group!(benches, decoding);
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criterion_main!(benches);
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