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|
use ahash::{CallHasher, RandomState};
use criterion::*;
use fxhash::FxHasher;
use std::collections::hash_map::DefaultHasher;
use std::hash::{Hash, Hasher};
#[cfg(any(
all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)),
all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd")
))]
fn aeshash<H: Hash>(b: &H) -> u64 {
let build_hasher = RandomState::with_seeds(1, 2, 3, 4);
H::get_hash(b, &build_hasher)
}
#[cfg(not(any(
all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)),
all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd")
)))]
fn aeshash<H: Hash>(_b: &H) -> u64 {
panic!("aes must be enabled")
}
#[cfg(not(any(
all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)),
all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd")
)))]
fn fallbackhash<H: Hash>(b: &H) -> u64 {
let build_hasher = RandomState::with_seeds(1, 2, 3, 4);
H::get_hash(b, &build_hasher)
}
#[cfg(any(
all(any(target_arch = "x86", target_arch = "x86_64"), target_feature = "aes", not(miri)),
all(any(target_arch = "arm", target_arch = "aarch64"), target_feature = "crypto", not(miri), feature = "stdsimd")
))]
fn fallbackhash<H: Hash>(_b: &H) -> u64 {
panic!("aes must be disabled")
}
fn fnvhash<H: Hash>(b: &H) -> u64 {
let mut hasher = fnv::FnvHasher::default();
b.hash(&mut hasher);
hasher.finish()
}
fn siphash<H: Hash>(b: &H) -> u64 {
let mut hasher = DefaultHasher::default();
b.hash(&mut hasher);
hasher.finish()
}
fn fxhash<H: Hash>(b: &H) -> u64 {
let mut hasher = FxHasher::default();
b.hash(&mut hasher);
hasher.finish()
}
fn seahash<H: Hash>(b: &H) -> u64 {
let mut hasher = seahash::SeaHasher::default();
b.hash(&mut hasher);
hasher.finish()
}
const STRING_LENGTHS: [u32; 12] = [1, 3, 4, 7, 8, 15, 16, 24, 33, 68, 132, 1024];
fn gen_strings() -> Vec<String> {
STRING_LENGTHS
.iter()
.map(|len| {
let mut string = String::default();
for pos in 1..=*len {
let c = (48 + (pos % 10) as u8) as char;
string.push(c);
}
string
})
.collect()
}
const U8_VALUE: u8 = 123;
const U16_VALUE: u16 = 1234;
const U32_VALUE: u32 = 12345678;
const U64_VALUE: u64 = 1234567890123456;
const U128_VALUE: u128 = 12345678901234567890123456789012;
fn bench_ahash(c: &mut Criterion) {
let mut group = c.benchmark_group("aeshash");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(aeshash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(aeshash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(aeshash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(aeshash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(aeshash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(aeshash(s))));
}
fn bench_fallback(c: &mut Criterion) {
let mut group = c.benchmark_group("fallback");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fallbackhash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fallbackhash(s))));
}
fn bench_fx(c: &mut Criterion) {
let mut group = c.benchmark_group("fx");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fxhash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fxhash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fxhash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fxhash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fxhash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fxhash(s))));
}
fn bench_fnv(c: &mut Criterion) {
let mut group = c.benchmark_group("fnv");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(fnvhash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(fnvhash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(fnvhash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(fnvhash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(fnvhash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(fnvhash(s))));
}
fn bench_sea(c: &mut Criterion) {
let mut group = c.benchmark_group("sea");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(seahash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(seahash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(seahash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(seahash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(seahash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(seahash(s))));
}
fn bench_sip(c: &mut Criterion) {
let mut group = c.benchmark_group("sip");
group.bench_with_input("u8", &U8_VALUE, |b, s| b.iter(|| black_box(siphash(s))));
group.bench_with_input("u16", &U16_VALUE, |b, s| b.iter(|| black_box(siphash(s))));
group.bench_with_input("u32", &U32_VALUE, |b, s| b.iter(|| black_box(siphash(s))));
group.bench_with_input("u64", &U64_VALUE, |b, s| b.iter(|| black_box(siphash(s))));
group.bench_with_input("u128", &U128_VALUE, |b, s| b.iter(|| black_box(siphash(s))));
group.bench_with_input("string", &gen_strings(), |b, s| b.iter(|| black_box(siphash(s))));
}
criterion_main!(benches);
criterion_group!(
benches,
bench_ahash,
bench_fallback,
bench_fx,
bench_fnv,
bench_sea,
bench_sip
);
|
