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Add gxhash in bench #488

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0a85615
Add gxhash in bench
ogxd Dec 6, 2023
2f015ec
Try black_box lookup input
ogxd Dec 9, 2023
ffd8de7
Update gxhash
ogxd Dec 24, 2023
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1 change: 1 addition & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ serde_test = "1.0"
doc-comment = "0.3.1"
bumpalo = { version = "3.13.0", features = ["allocator-api2"] }
rkyv = { version = "0.7.42", features = ["validation"] }
gxhash = "3.0.0"

[features]
default = ["ahash", "inline-more", "allocator-api2"]
Expand Down
321 changes: 174 additions & 147 deletions benches/bench.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,8 @@ type AHashMap<K, V> = HashMap<K, V, DefaultHashBuilder>;
// This uses the hashmap from this crate with the default hasher of the stdlib.
type StdHashMap<K, V> = HashMap<K, V, RandomState>;

type GxHashMap<K, V> = HashMap<K, V, gxhash::GxBuildHasher>;

// A random key iterator.
#[derive(Clone, Copy)]
struct RandomKeys {
Expand Down Expand Up @@ -58,11 +60,17 @@ impl Drop for DropType {
}

macro_rules! bench_suite {
($bench_macro:ident, $bench_ahash_serial:ident, $bench_std_serial:ident,
$bench_ahash_highbits:ident, $bench_std_highbits:ident,
$bench_ahash_random:ident, $bench_std_random:ident) => {
($bench_macro:ident, $bench_gxhash_serial:ident, $bench_ahash_serial:ident, $bench_std_serial:ident,
$bench_gxhash_highbits:ident, $bench_ahash_highbits:ident, $bench_std_highbits:ident,
$bench_gxhash_random:ident, $bench_ahash_random:ident, $bench_std_random:ident) => {
$bench_macro!($bench_gxhash_serial, GxHashMap, 0..);
$bench_macro!($bench_ahash_serial, AHashMap, 0..);
$bench_macro!($bench_std_serial, StdHashMap, 0..);
$bench_macro!(
$bench_gxhash_highbits,
GxHashMap,
(0..).map(usize::swap_bytes)
);
$bench_macro!(
$bench_ahash_highbits,
AHashMap,
Expand All @@ -73,98 +81,108 @@ macro_rules! bench_suite {
StdHashMap,
(0..).map(usize::swap_bytes)
);
$bench_macro!($bench_gxhash_random, GxHashMap, RandomKeys::new());
$bench_macro!($bench_ahash_random, AHashMap, RandomKeys::new());
$bench_macro!($bench_std_random, StdHashMap, RandomKeys::new());
};
}

macro_rules! bench_insert {
($name:ident, $maptype:ident, $keydist:expr) => {
#[bench]
fn $name(b: &mut Bencher) {
let mut m = $maptype::with_capacity_and_hasher(SIZE, Default::default());
b.iter(|| {
m.clear();
for i in ($keydist).take(SIZE) {
m.insert(i, (DropType(i), [i; 20]));
}
black_box(&mut m);
});
eprintln!("{}", SIDE_EFFECT.load(atomic::Ordering::SeqCst));
}
};
}

bench_suite!(
bench_insert,
insert_ahash_serial,
insert_std_serial,
insert_ahash_highbits,
insert_std_highbits,
insert_ahash_random,
insert_std_random
);

macro_rules! bench_grow_insert {
($name:ident, $maptype:ident, $keydist:expr) => {
#[bench]
fn $name(b: &mut Bencher) {
b.iter(|| {
let mut m = $maptype::default();
for i in ($keydist).take(SIZE) {
m.insert(i, DropType(i));
}
black_box(&mut m);
})
}
};
}

bench_suite!(
bench_grow_insert,
grow_insert_ahash_serial,
grow_insert_std_serial,
grow_insert_ahash_highbits,
grow_insert_std_highbits,
grow_insert_ahash_random,
grow_insert_std_random
);

macro_rules! bench_insert_erase {
($name:ident, $maptype:ident, $keydist:expr) => {
#[bench]
fn $name(b: &mut Bencher) {
let mut base = $maptype::default();
for i in ($keydist).take(SIZE) {
base.insert(i, DropType(i));
}
let skip = $keydist.skip(SIZE);
b.iter(|| {
let mut m = base.clone();
let mut add_iter = skip.clone();
let mut remove_iter = $keydist;
// While keeping the size constant,
// replace the first keydist with the second.
for (add, remove) in (&mut add_iter).zip(&mut remove_iter).take(SIZE) {
m.insert(add, DropType(add));
black_box(m.remove(&remove));
}
black_box(m);
});
eprintln!("{}", SIDE_EFFECT.load(atomic::Ordering::SeqCst));
}
};
}

bench_suite!(
bench_insert_erase,
insert_erase_ahash_serial,
insert_erase_std_serial,
insert_erase_ahash_highbits,
insert_erase_std_highbits,
insert_erase_ahash_random,
insert_erase_std_random
);
// macro_rules! bench_insert {
// ($name:ident, $maptype:ident, $keydist:expr) => {
// #[bench]
// fn $name(b: &mut Bencher) {
// let mut m = $maptype::with_capacity_and_hasher(SIZE, Default::default());
// b.iter(|| {
// m.clear();
// for i in ($keydist).take(SIZE) {
// m.insert(i, (DropType(i), [i; 20]));
// }
// black_box(&mut m);
// });
// eprintln!("{}", SIDE_EFFECT.load(atomic::Ordering::SeqCst));
// }
// };
// }

// bench_suite!(
// bench_insert,
// insert_gxhash_serial,
// insert_ahash_serial,
// insert_std_serial,
// insert_gxhash_highbits,
// insert_ahash_highbits,
// insert_std_highbits,
// insert_gxhash_random,
// insert_ahash_random,
// insert_std_random
// );

// macro_rules! bench_grow_insert {
// ($name:ident, $maptype:ident, $keydist:expr) => {
// #[bench]
// fn $name(b: &mut Bencher) {
// b.iter(|| {
// let mut m = $maptype::default();
// for i in ($keydist).take(SIZE) {
// m.insert(i, DropType(i));
// }
// black_box(&mut m);
// })
// }
// };
// }

// bench_suite!(
// bench_grow_insert,
// grow_insert_gxhash_serial,
// grow_insert_ahash_serial,
// grow_insert_std_serial,
// grow_insert_gxhash_highbits,
// grow_insert_ahash_highbits,
// grow_insert_std_highbits,
// grow_insert_gxhash_random,
// grow_insert_ahash_random,
// grow_insert_std_random
// );

// macro_rules! bench_insert_erase {
// ($name:ident, $maptype:ident, $keydist:expr) => {
// #[bench]
// fn $name(b: &mut Bencher) {
// let mut base = $maptype::default();
// for i in ($keydist).take(SIZE) {
// base.insert(i, DropType(i));
// }
// let skip = $keydist.skip(SIZE);
// b.iter(|| {
// let mut m = base.clone();
// let mut add_iter = skip.clone();
// let mut remove_iter = $keydist;
// // While keeping the size constant,
// // replace the first keydist with the second.
// for (add, remove) in (&mut add_iter).zip(&mut remove_iter).take(SIZE) {
// m.insert(add, DropType(add));
// black_box(m.remove(&remove));
// }
// black_box(m);
// });
// eprintln!("{}", SIDE_EFFECT.load(atomic::Ordering::SeqCst));
// }
// };
// }

// bench_suite!(
// bench_insert_erase,
// insert_erase_gxhash_serial,
// insert_erase_ahash_serial,
// insert_erase_std_serial,
// insert_erase_gxhash_highbits,
// insert_erase_ahash_highbits,
// insert_erase_std_highbits,
// insert_erase_gxhash_random,
// insert_erase_ahash_random,
// insert_erase_std_random
// );

macro_rules! bench_lookup {
($name:ident, $maptype:ident, $keydist:expr) => {
Expand All @@ -177,7 +195,7 @@ macro_rules! bench_lookup {

b.iter(|| {
for i in $keydist.take(SIZE) {
black_box(m.get(&i));
black_box(m.get(black_box(&i)));
}
});
eprintln!("{}", SIDE_EFFECT.load(atomic::Ordering::SeqCst));
Expand All @@ -187,70 +205,79 @@ macro_rules! bench_lookup {

bench_suite!(
bench_lookup,
lookup_gxhash_serial,
lookup_ahash_serial,
lookup_std_serial,
lookup_gxhash_highbits,
lookup_ahash_highbits,
lookup_std_highbits,
lookup_gxhash_random,
lookup_ahash_random,
lookup_std_random
);

macro_rules! bench_lookup_fail {
($name:ident, $maptype:ident, $keydist:expr) => {
#[bench]
fn $name(b: &mut Bencher) {
let mut m = $maptype::default();
let mut iter = $keydist;
for i in (&mut iter).take(SIZE) {
m.insert(i, DropType(i));
}

b.iter(|| {
for i in (&mut iter).take(SIZE) {
black_box(m.get(&i));
}
})
}
};
}

bench_suite!(
bench_lookup_fail,
lookup_fail_ahash_serial,
lookup_fail_std_serial,
lookup_fail_ahash_highbits,
lookup_fail_std_highbits,
lookup_fail_ahash_random,
lookup_fail_std_random
);

macro_rules! bench_iter {
($name:ident, $maptype:ident, $keydist:expr) => {
#[bench]
fn $name(b: &mut Bencher) {
let mut m = $maptype::default();
for i in ($keydist).take(SIZE) {
m.insert(i, DropType(i));
}

b.iter(|| {
for i in &m {
black_box(i);
}
})
}
};
}

bench_suite!(
bench_iter,
iter_ahash_serial,
iter_std_serial,
iter_ahash_highbits,
iter_std_highbits,
iter_ahash_random,
iter_std_random
);
// macro_rules! bench_lookup_fail {
// ($name:ident, $maptype:ident, $keydist:expr) => {
// #[bench]
// fn $name(b: &mut Bencher) {
// let mut m = $maptype::default();
// let mut iter = $keydist;
// for i in (&mut iter).take(SIZE) {
// m.insert(i, DropType(i));
// }

// b.iter(|| {
// for i in (&mut iter).take(SIZE) {
// black_box(m.get(&i));
// }
// })
// }
// };
// }

// bench_suite!(
// bench_lookup_fail,
// lookup_fail_gxhash_serial,
// lookup_fail_ahash_serial,
// lookup_fail_std_serial,
// lookup_fail_gxhash_highbits,
// lookup_fail_ahash_highbits,
// lookup_fail_std_highbits,
// lookup_fail_gxhash_random,
// lookup_fail_ahash_random,
// lookup_fail_std_random
// );

// macro_rules! bench_iter {
// ($name:ident, $maptype:ident, $keydist:expr) => {
// #[bench]
// fn $name(b: &mut Bencher) {
// let mut m = $maptype::default();
// for i in ($keydist).take(SIZE) {
// m.insert(i, DropType(i));
// }

// b.iter(|| {
// for i in &m {
// black_box(i);
// }
// })
// }
// };
// }

// bench_suite!(
// bench_iter,
// iter_gxhash_serial,
// iter_ahash_serial,
// iter_std_serial,
// iter_gxhash_highbits,
// iter_ahash_highbits,
// iter_std_highbits,
// iter_gxhash_random,
// iter_ahash_random,
// iter_std_random
// );

#[bench]
fn clone_small(b: &mut Bencher) {
Expand Down