104 lines
2.7 KiB
Rust
104 lines
2.7 KiB
Rust
// Copyright 2015-2017 Parity Technologies
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! benchmarking for rlp
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//! should be started with:
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//! ```bash
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//! multirust run nightly cargo bench
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//! ```
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#![feature(test)]
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extern crate ethereum_types;
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extern crate rlp;
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extern crate test;
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use ethereum_types::U256;
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use rlp::{RlpStream, Rlp};
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use test::Bencher;
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#[bench]
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fn bench_stream_u64_value(b: &mut Bencher) {
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b.iter(|| {
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// u64
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let mut stream = RlpStream::new();
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stream.append(&0x1023456789abcdefu64);
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let _ = stream.out();
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});
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}
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#[bench]
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fn bench_decode_u64_value(b: &mut Bencher) {
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b.iter(|| {
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// u64
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let data = vec![0x88, 0x10, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef];
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let rlp = Rlp::new(&data);
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let _: u64 = rlp.as_val().unwrap();
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});
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}
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#[bench]
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fn bench_stream_u256_value(b: &mut Bencher) {
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b.iter(|| {
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// u256
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let mut stream = RlpStream::new();
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let uint: U256 = "8090a0b0c0d0e0f00910203040506077000000000000000100000000000012f0".into();
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stream.append(&uint);
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let _ = stream.out();
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});
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}
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#[bench]
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fn bench_decode_u256_value(b: &mut Bencher) {
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b.iter(|| {
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// u256
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let data = vec![0xa0, 0x80, 0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, 0x09, 0x10, 0x20,
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0x30, 0x40, 0x50, 0x60, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0xf0];
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let rlp = Rlp::new(&data);
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let _ : U256 = rlp.as_val().unwrap();
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});
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}
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#[bench]
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fn bench_stream_nested_empty_lists(b: &mut Bencher) {
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b.iter(|| {
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// [ [], [[]], [ [], [[]] ] ]
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let mut stream = RlpStream::new_list(3);
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stream.begin_list(0);
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stream.begin_list(1).begin_list(0);
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stream.begin_list(2).begin_list(0).begin_list(1).begin_list(0);
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let _ = stream.out();
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});
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}
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#[bench]
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fn bench_decode_nested_empty_lists(b: &mut Bencher) {
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b.iter(|| {
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// [ [], [[]], [ [], [[]] ] ]
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let data = vec![0xc7, 0xc0, 0xc1, 0xc0, 0xc3, 0xc0, 0xc1, 0xc0];
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let rlp = Rlp::new(&data);
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let _v0: Vec<u16> = rlp.at(0).unwrap().as_list().unwrap();
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let _v1: Vec<u16> = rlp.at(1).unwrap().at(0).unwrap().as_list().unwrap();
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let nested_rlp = rlp.at(2).unwrap();
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let _v2a: Vec<u16> = nested_rlp.at(0).unwrap().as_list().unwrap();
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let _v2b: Vec<u16> = nested_rlp.at(1).unwrap().at(0).unwrap().as_list().unwrap();
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});
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}
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#[bench]
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fn bench_stream_1000_empty_lists(b: &mut Bencher) {
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b.iter(|| {
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let mut stream = RlpStream::new_list(1000);
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for _ in 0..1000 {
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stream.begin_list(0);
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}
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let _ = stream.out();
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});
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}
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