58 lines
1.5 KiB
Rust
58 lines
1.5 KiB
Rust
use criterion::measurement::Measurement;
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use criterion::{criterion_group, criterion_main, Bencher, BenchmarkId, Criterion};
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use rand::distributions::Standard;
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use rand::rngs::SmallRng;
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use rand::{Rng, SeedableRng};
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use phf_generator::generate_hash;
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fn gen_vec(len: usize) -> Vec<u64> {
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SmallRng::seed_from_u64(0xAAAAAAAAAAAAAAAA)
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.sample_iter(Standard)
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.take(len)
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.collect()
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}
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fn bench_hash<M: Measurement>(b: &mut Bencher<M>, len: &usize) {
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let vec = gen_vec(*len);
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b.iter(|| generate_hash(&vec))
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}
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fn gen_hash_small(c: &mut Criterion) {
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let sizes = vec![0, 1, 2, 5, 10, 25, 50, 75];
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for size in &sizes {
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c.bench_with_input(BenchmarkId::new("gen_hash_small", *size), size, bench_hash);
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}
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}
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fn gen_hash_med(c: &mut Criterion) {
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let sizes = vec![100, 250, 500, 1000, 2500, 5000, 7500];
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for size in &sizes {
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c.bench_with_input(BenchmarkId::new("gen_hash_medium", *size), size, bench_hash);
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}
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}
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fn gen_hash_large(c: &mut Criterion) {
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let sizes = vec![10_000, 25_000, 50_000, 75_000];
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for size in &sizes {
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c.bench_with_input(BenchmarkId::new("gen_hash_large", *size), size, bench_hash);
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}
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}
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fn gen_hash_xlarge(c: &mut Criterion) {
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let sizes = vec![100_000, 250_000, 500_000, 750_000, 1_000_000];
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for size in &sizes {
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c.bench_with_input(BenchmarkId::new("gen_hash_xlarge", *size), size, bench_hash);
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}
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}
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criterion_group!(
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benches,
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gen_hash_small,
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gen_hash_med,
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gen_hash_large,
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gen_hash_xlarge
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);
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criterion_main!(benches);
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