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#![feature(test)]
extern crate test;
extern crate fnv;
extern crate fxhash;
extern crate seahash;
use std::hash::{Hash, Hasher};
use test::{Bencher, black_box};
fn fnvhash<H: Hash>(b: H) -> u64 {
let mut hasher = fnv::FnvHasher::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()
}
macro_rules! generate_benches {
($($fx:ident, $fx32:ident, $fx64:ident, $fnv:ident, $sea:ident, $s:expr),* $(,)*) => (
$(
#[bench]
fn $fx(b: &mut Bencher) {
let s = black_box($s);
b.iter(|| {
fxhash::hash(&s)
})
}
#[bench]
fn $fx32(b: &mut Bencher) {
let s = black_box($s);
b.iter(|| {
fxhash::hash32(&s)
})
}
#[bench]
fn $fx64(b: &mut Bencher) {
let s = black_box($s);
b.iter(|| {
fxhash::hash64(&s)
})
}
#[bench]
fn $fnv(b: &mut Bencher) {
let s = black_box($s);
b.iter(|| {
fnvhash(&s)
})
}
#[bench]
fn $sea(b: &mut Bencher) {
let s = black_box($s);
b.iter(|| {
seahash(&s)
})
}
)*
)
}
generate_benches!(
bench_fx_003, bench_fx32_003, bench_fx64_003, bench_fnv_003, bench_seahash_003, "123",
bench_fx_004, bench_fx32_004, bench_fx64_004, bench_fnv_004, bench_seahash_004, "1234",
bench_fx_011, bench_fx32_011, bench_fx64_011, bench_fnv_011, bench_seahash_011, "12345678901",
bench_fx_012, bench_fx32_012, bench_fx64_012, bench_fnv_012, bench_seahash_012, "123456789012",
bench_fx_023, bench_fx32_023, bench_fx64_023, bench_fnv_023, bench_seahash_023, "12345678901234567890123",
bench_fx_024, bench_fx32_024, bench_fx64_024, bench_fnv_024, bench_seahash_024, "123456789012345678901234",
bench_fx_068, bench_fx32_068, bench_fx64_068, bench_fnv_068, bench_seahash_068, "11234567890123456789012345678901234567890123456789012345678901234567",
bench_fx_132, bench_fx32_132, bench_fx64_132, bench_fnv_132, bench_seahash_132, "112345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901",
);
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