74 lines
2.0 KiB
Rust
74 lines
2.0 KiB
Rust
#[macro_use]
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extern crate criterion;
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use cached_tree_hash::TreeHashCache;
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use criterion::black_box;
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use criterion::{Benchmark, Criterion};
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use ethereum_types::H256 as Hash256;
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use hashing::hash;
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use tree_hash::TreeHash;
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fn criterion_benchmark(c: &mut Criterion) {
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let n = 1024;
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let source_vec: Vec<Hash256> = (0..n).map(|_| Hash256::random()).collect();
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let mut source_modified_vec = source_vec.clone();
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source_modified_vec[n - 1] = Hash256::random();
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let modified_vec = source_modified_vec.clone();
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c.bench(
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&format!("vec_of_{}_hashes", n),
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Benchmark::new("standard", move |b| {
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b.iter_with_setup(
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|| modified_vec.clone(),
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|modified_vec| black_box(modified_vec.tree_hash_root()),
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)
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})
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.sample_size(100),
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);
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let modified_vec = source_modified_vec.clone();
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c.bench(
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&format!("vec_of_{}_hashes", n),
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Benchmark::new("build_cache", move |b| {
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b.iter_with_setup(
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|| modified_vec.clone(),
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|vec| black_box(TreeHashCache::new(&vec, 0)),
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)
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})
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.sample_size(100),
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);
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let vec = source_vec.clone();
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let modified_vec = source_modified_vec.clone();
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c.bench(
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&format!("vec_of_{}_hashes", n),
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Benchmark::new("cache_update", move |b| {
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b.iter_with_setup(
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|| {
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let cache = TreeHashCache::new(&vec, 0).unwrap();
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(cache, modified_vec.clone())
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},
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|(mut cache, modified_vec)| black_box(cache.update(&modified_vec)),
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)
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})
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.sample_size(100),
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);
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c.bench(
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&format!("{}_hashes", n),
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Benchmark::new("hash_64_bytes", move |b| {
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b.iter(|| {
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for _ in 0..n {
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let _digest = hash(&[42; 64]);
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}
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})
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})
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.sample_size(100),
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);
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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