openethereum/ethash/benches/basic.rs

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// Copyright 2015-2019 Parity Technologies (UK) Ltd.
// This file is part of Parity Ethereum.
// Parity Ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity Ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
#[macro_use]
extern crate criterion;
extern crate ethash;
use criterion::Criterion;
use ethash::{NodeCacheBuilder, OptimizeFor};
const HASH: [u8; 32] = [0xf5, 0x7e, 0x6f, 0x3a, 0xcf, 0xc0, 0xdd, 0x4b, 0x5b, 0xf2, 0xbe,
0xe4, 0x0a, 0xb3, 0x35, 0x8a, 0xa6, 0x87, 0x73, 0xa8, 0xd0, 0x9f,
0x5e, 0x59, 0x5e, 0xab, 0x55, 0x94, 0x05, 0x52, 0x7d, 0x72];
const NONCE: u64 = 0xd7b3ac70a301a249;
criterion_group!(
basic,
bench_light_compute_memmap,
bench_light_compute_memory,
bench_light_new_round_trip_memmap,
bench_light_new_round_trip_memory,
bench_light_from_file_round_trip_memory,
bench_light_from_file_round_trip_memmap
);
criterion_main!(basic);
fn bench_light_compute_memmap(b: &mut Criterion) {
use std::env;
let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
let light = builder.light(&env::temp_dir(), 486382);
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| light.compute(&HASH, NONCE)));
}
fn bench_light_compute_memory(b: &mut Criterion) {
use std::env;
let builder = NodeCacheBuilder::new(OptimizeFor::Cpu);
let light = builder.light(&env::temp_dir(), 486382);
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| light.compute(&HASH, NONCE)));
}
fn bench_light_new_round_trip_memmap(b: &mut Criterion) {
use std::env;
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| {
let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
let light = builder.light(&env::temp_dir(), 486382);
light.compute(&HASH, NONCE);
}));
}
fn bench_light_new_round_trip_memory(b: &mut Criterion) {
use std::env;
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| {
let builder = NodeCacheBuilder::new(OptimizeFor::Cpu);
let light = builder.light(&env::temp_dir(), 486382);
light.compute(&HASH, NONCE);
}));
}
fn bench_light_from_file_round_trip_memory(b: &mut Criterion) {
use std::env;
let dir = env::temp_dir();
let height = 486382;
{
let builder = NodeCacheBuilder::new(OptimizeFor::Cpu);
let mut dummy = builder.light(&dir, height);
dummy.to_file().unwrap();
}
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| {
let builder = NodeCacheBuilder::new(OptimizeFor::Cpu);
let light = builder.light_from_file(&dir, 486382).unwrap();
light.compute(&HASH, NONCE);
}));
}
fn bench_light_from_file_round_trip_memmap(b: &mut Criterion) {
use std::env;
let dir = env::temp_dir();
let height = 486382;
{
let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
let mut dummy = builder.light(&dir, height);
dummy.to_file().unwrap();
}
b.bench_function("bench_light_compute_memmap", move |b| b.iter(|| {
let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
let light = builder.light_from_file(&dir, 486382).unwrap();
light.compute(&HASH, NONCE);
}));
}