openethereum/ethash/benches/progpow.rs

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ethash: implement Progpow (#9762) * ethash: initial implementation of progpow * progpow: use wrapping arithmetic * progpow: cleanup comments * progpow: fix keccak_f800 * progpow: reorder definitions * progpow: general fixing * progpow: add basic tests from geth * progpow: generate c_dag and add test * progpow: fix progpow_init and progpow_loop * progpow: fix and add new test * progpow: tabify * progpow: add shared testvectors from geth and aleth * progpow: add benchmarks * progpow: don't read bytes from dag * ethash: use criterion for progpow benchmarks * progpow: dont borrow hash on fnv1a_hash * progpow: don't borrow operand on progpow merge * progpow: hardcode dag lookup function we only support light verification anyway * progpow: read double words directly from the dag * progpow: inline some small functions * progpow: remove some bounds checking from the main loop * progpow: remove unreachable match cases * progpow: remove bounds check in keccak_f800_round * progpow: fix ptr::swap * progpow: force loop unroll in keccak_f800_round * progpow: remove unnecessary branching in progpow_loop * progpow: force loop unroll in fill_mix * progpow: silence unused warning * progpow: dont run last keccak_f800_round out of the loop rustc generates the same assembly, it unrolls the loop * progpow: fix output of keccak_f800_short * ethcore: support progpow in ethash engine * ethash: fix typo * ethcore, ethash: fix tests * json: fix ethash spec tests * ethash: update quick_get_difficulty for progpow * ethash: drop light cache on progpow transition block * ethash: fix quick_get_difficulty tests * progpow: update to spec v0.9.0 * progpow: update to spec v0.9.1 * progpow: update to spec v0.9.2 * ethash: rename progpow benchmarks * fix Cargo.lock bad merge * ethash: only export modules for benchmarks * ethash: progpow: remove unsafe unchecked indexing * ethash: create enum for pow algorithm * ethash: box the progpow cdag * ethash: skip slow progpow test vectors on ci * ethash: don't skip progpow test vectors they don't take too long when running in release mode which is the case for CI. * ethash: progpow: update copyright date Co-Authored-By: andresilva <andre.beat@gmail.com> * ethcore: remove verification of ci-skip-tests on non-test builds
2019-02-20 10:05:11 +01:00
#[macro_use]
extern crate criterion;
extern crate ethash;
extern crate rustc_hex;
extern crate tempdir;
use criterion::Criterion;
use ethash::progpow;
use ethash::{compute::light_compute, NodeCacheBuilder, OptimizeFor};
use rustc_hex::FromHex;
use tempdir::TempDir;
fn bench_hashimoto_light(c: &mut Criterion) {
let builder = NodeCacheBuilder::new(OptimizeFor::Memory, u64::max_value());
let tempdir = TempDir::new("").unwrap();
let light = builder.light(&tempdir.path(), 1);
let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
.unwrap();
let mut hash = [0; 32];
hash.copy_from_slice(&h);
c.bench_function("hashimoto_light", move |b| {
b.iter(|| light_compute(&light, &hash, 0))
});
}
fn bench_progpow_light(c: &mut Criterion) {
let builder = NodeCacheBuilder::new(OptimizeFor::Memory, u64::max_value());
let tempdir = TempDir::new("").unwrap();
let cache = builder.new_cache(tempdir.into_path(), 0);
let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
.unwrap();
let mut hash = [0; 32];
hash.copy_from_slice(&h);
c.bench_function("progpow_light", move |b| {
b.iter(|| {
let c_dag = progpow::generate_cdag(cache.as_ref());
progpow::progpow(hash, 0, 0, cache.as_ref(), &c_dag);
})
});
}
fn bench_progpow_optimal_light(c: &mut Criterion) {
let builder = NodeCacheBuilder::new(OptimizeFor::Memory, u64::max_value());
let tempdir = TempDir::new("").unwrap();
let cache = builder.new_cache(tempdir.into_path(), 0);
let c_dag = progpow::generate_cdag(cache.as_ref());
let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f")
.unwrap();
let mut hash = [0; 32];
hash.copy_from_slice(&h);
c.bench_function("progpow_optimal_light", move |b| {
b.iter(|| {
progpow::progpow(hash, 0, 0, cache.as_ref(), &c_dag);
})
});
}
fn bench_keccak_f800_long(c: &mut Criterion) {
c.bench_function("keccak_f800_long(0, 0, 0)", |b| {
b.iter(|| progpow::keccak_f800_long([0; 32], 0, [0; 8]))
});
}
criterion_group!(
benches,
bench_hashimoto_light,
bench_progpow_light,
bench_progpow_optimal_light,
bench_keccak_f800_long,
);
criterion_main!(benches);