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-rw-r--r--third_party/rust/fxhash/bench.rs78
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