4dc5a8ed14
* Update criterion requirement from 0.5.1 to 0.6.0 Updates the requirements on [criterion](https://github.com/bheisler/criterion.rs) to permit the latest version. - [Changelog](https://github.com/bheisler/criterion.rs/blob/master/CHANGELOG.md) - [Commits](https://github.com/bheisler/criterion.rs/compare/0.5.1...0.6.0) --- updated-dependencies: - dependency-name: criterion dependency-version: 0.6.0 dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> * clippy * undo / too modern * clip --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Dominik Maier <dmnk@google.com>
45 lines
1.3 KiB
Rust
45 lines
1.3 KiB
Rust
//! Compare the speed of rust hash implementations
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use core::{
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hash::{BuildHasher, Hasher},
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hint::black_box,
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num::NonZero,
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};
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use criterion::{Criterion, criterion_group, criterion_main};
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use libafl_bolts::rands::{Rand, StdRand};
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//use xxhash_rust::const_xxh3;
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use xxhash_rust::xxh3;
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fn criterion_benchmark(c: &mut Criterion) {
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let mut rand = StdRand::with_seed(0);
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let mut bench_vec: Vec<u8> = vec![];
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for _ in 0..2 << 16 {
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bench_vec.push(rand.below(NonZero::new(256).unwrap()) as u8);
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}
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c.bench_function("xxh3", |b| {
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b.iter(|| black_box(xxh3::xxh3_64_with_seed(&bench_vec, 0)));
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});
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/*c.bench_function("const_xxh3", |b| {
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b.iter(|| const_xxh3::xxh3_64_with_seed(black_box(&bench_vec), 0))
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});*/
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c.bench_function("ahash", |b| {
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b.iter(|| {
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let mut hasher = ahash::RandomState::with_seeds(123, 456, 789, 123).build_hasher();
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hasher.write(black_box(&bench_vec));
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black_box(hasher.finish());
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});
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});
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c.bench_function("fxhash", |b| {
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b.iter(|| {
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let mut hasher = rustc_hash::FxHasher::default();
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hasher.write(black_box(&bench_vec));
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black_box(hasher.finish());
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});
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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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