diff options
Diffstat (limited to 'third_party/rust/fxhash/bench.rs')
| -rw-r--r-- | third_party/rust/fxhash/bench.rs | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/third_party/rust/fxhash/bench.rs b/third_party/rust/fxhash/bench.rs new file mode 100644 index 0000000000..b54395497c --- /dev/null +++ b/third_party/rust/fxhash/bench.rs @@ -0,0 +1,78 @@ +#![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", +);
\ No newline at end of file |