97 lines
2.4 KiB
Rust
97 lines
2.4 KiB
Rust
//! 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 test;
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extern crate ethcore_util;
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use test::Bencher;
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use std::str::FromStr;
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use ethcore_util::rlp::{RlpStream, Rlp, Decodable};
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use ethcore_util::uint::U256;
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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::decode(&rlp);
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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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stream.append(&U256::from_str("8090a0b0c0d0e0f009102030405060770000000000000001000000000\
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00012f0")
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.unwrap());
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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::decode(&rlp);
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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.append_list(0);
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stream.append_list(1).append_list(0);
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stream.append_list(2).append_list(0).append_list(1).append_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> = Decodable::decode(&rlp.at(0));
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let _v1: Vec<Vec<u16>> = Decodable::decode(&rlp.at(1));
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let nested_rlp = rlp.at(2);
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let _v2a: Vec<u16> = Decodable::decode(&nested_rlp.at(0));
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let _v2b: Vec<Vec<u16>> = Decodable::decode(&nested_rlp.at(1));
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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.append_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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