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use criterion::{black_box, BatchSize, BenchmarkId, Criterion, Throughput};
use std::collections::{BTreeSet, BinaryHeap, HashSet};
use crate::util::{
self,
hash::{HashbrownSet, IdentityHashSet, IdentityHashbrownSet},
rand::shuffled_bytes,
Bool256,
};
use byte_set::ByteSet;
pub fn benches(criterion: &mut Criterion) {
let mut group = criterion.benchmark_group("Insert");
let mut rng = rand::thread_rng();
for &size in util::SIZES {
group.throughput(Throughput::Bytes(size as u64));
group.bench_function(BenchmarkId::new("ByteSet", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, ByteSet::new()))
},
|(bytes, byte_set)| {
for &byte in &bytes[..size] {
byte_set.insert(byte);
}
black_box(byte_set);
},
BatchSize::SmallInput,
)
});
group.bench_function(BenchmarkId::new("[bool; 256]", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, Bool256::new()))
},
|(bytes, bool256)| {
for &byte in &bytes[..size] {
bool256.insert(byte);
}
black_box(bool256);
},
BatchSize::SmallInput,
)
});
group.bench_function(BenchmarkId::new("HashSet<u8>", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, HashSet::<u8>::new()))
},
|(bytes, hash_set)| {
for &byte in &bytes[..size] {
hash_set.insert(byte);
}
black_box(hash_set);
},
BatchSize::SmallInput,
)
});
group.bench_function(
BenchmarkId::new("HashSet<u8> (Identity Hash)", size),
|b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, IdentityHashSet::<u8>::default()))
},
|(bytes, hash_set)| {
for &byte in &bytes[..size] {
hash_set.insert(byte);
}
black_box(hash_set);
},
BatchSize::SmallInput,
)
},
);
group.bench_function(
BenchmarkId::new("hashbrown::HashSet<u8>", size),
|b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, HashbrownSet::<u8>::new()))
},
|(bytes, hash_set)| {
for &byte in &bytes[..size] {
hash_set.insert(byte);
}
black_box(hash_set);
},
BatchSize::SmallInput,
)
},
);
group.bench_function(
BenchmarkId::new("hashbrown::HashSet<u8> (Identity Hash)", size),
|b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((
bytes,
IdentityHashbrownSet::<u8>::default(),
))
},
|(bytes, hash_set)| {
for &byte in &bytes[..size] {
hash_set.insert(byte);
}
black_box(hash_set);
},
BatchSize::SmallInput,
)
},
);
group.bench_function(
BenchmarkId::new("fixedbitset::FixedBitSet", size),
|b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, fixedbitset::FixedBitSet::default()))
},
|(bytes, fixed_bit_set)| {
for &byte in &bytes[..size] {
let byte = byte as usize;
fixed_bit_set.grow(byte);
fixed_bit_set.insert(byte);
}
black_box(fixed_bit_set);
},
BatchSize::SmallInput,
)
},
);
group.bench_function(BenchmarkId::new("BTreeSet<u8>", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, BTreeSet::<u8>::new()))
},
|(bytes, btree_set)| {
for &byte in &bytes[..size] {
btree_set.insert(byte);
}
black_box(btree_set);
},
BatchSize::SmallInput,
)
});
group.bench_function(BenchmarkId::new("Vec<u8>", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, Vec::<u8>::new()))
},
|(bytes, vec)| {
for &byte in &bytes[..size] {
vec.push(byte);
}
black_box(vec);
},
BatchSize::SmallInput,
)
});
group.bench_function(
BenchmarkId::new("Vec<u8> (Binary Search)", size),
|b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, Vec::<u8>::new()))
},
|(bytes, vec)| {
for byte in &bytes[..size] {
if let Err(index) = vec.binary_search(byte) {
vec.insert(index, *byte);
}
}
black_box(vec);
},
BatchSize::SmallInput,
)
},
);
group.bench_function(BenchmarkId::new("BinaryHeap<u8>", size), |b| {
b.iter_batched_ref(
|| {
let bytes = shuffled_bytes(&mut rng);
black_box((bytes, BinaryHeap::<u8>::new()))
},
|(bytes, binary_heap)| {
for &byte in &bytes[..size] {
binary_heap.push(byte);
}
black_box(binary_heap);
},
BatchSize::SmallInput,
)
});
}
group.finish();
}