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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /vendor/phf_generator/benches | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/phf_generator/benches')
-rw-r--r-- | vendor/phf_generator/benches/benches.rs | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/phf_generator/benches/benches.rs b/vendor/phf_generator/benches/benches.rs new file mode 100644 index 000000000..179c8627b --- /dev/null +++ b/vendor/phf_generator/benches/benches.rs @@ -0,0 +1,58 @@ +use criterion::measurement::Measurement; +use criterion::{criterion_group, criterion_main, Bencher, BenchmarkId, Criterion}; + +use rand::distributions::Standard; +use rand::rngs::SmallRng; +use rand::{Rng, SeedableRng}; + +use phf_generator::generate_hash; + +fn gen_vec(len: usize) -> Vec<u64> { + SmallRng::seed_from_u64(0xAAAAAAAAAAAAAAAA) + .sample_iter(Standard) + .take(len) + .collect() +} + +fn bench_hash<M: Measurement>(b: &mut Bencher<M>, len: &usize) { + let vec = gen_vec(*len); + b.iter(|| generate_hash(&vec)) +} + +fn gen_hash_small(c: &mut Criterion) { + let sizes = vec![0, 1, 2, 5, 10, 25, 50, 75]; + for size in &sizes { + c.bench_with_input(BenchmarkId::new("gen_hash_small", *size), size, bench_hash); + } +} + +fn gen_hash_med(c: &mut Criterion) { + let sizes = vec![100, 250, 500, 1000, 2500, 5000, 7500]; + for size in &sizes { + c.bench_with_input(BenchmarkId::new("gen_hash_medium", *size), size, bench_hash); + } +} + +fn gen_hash_large(c: &mut Criterion) { + let sizes = vec![10_000, 25_000, 50_000, 75_000]; + for size in &sizes { + c.bench_with_input(BenchmarkId::new("gen_hash_large", *size), size, bench_hash); + } +} + +fn gen_hash_xlarge(c: &mut Criterion) { + let sizes = vec![100_000, 250_000, 500_000, 750_000, 1_000_000]; + for size in &sizes { + c.bench_with_input(BenchmarkId::new("gen_hash_xlarge", *size), size, bench_hash); + } +} + +criterion_group!( + benches, + gen_hash_small, + gen_hash_med, + gen_hash_large, + gen_hash_xlarge +); + +criterion_main!(benches); |