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use criterion::{criterion_group, criterion_main, Criterion};
use digest::{generic_array::GenericArray, Digest};
use rand::prelude::*;
use tor_cell::relaycell::RelayCellFormatV0;
use tor_llcrypto::d::{Sha1, Sha3_256};
use tor_proto::bench_utils::RelayBody;
mod cpu_time;
use cpu_time::*;
/// Create a random inbound cell with the digest computed.
fn create_random_cell(rng: &mut ThreadRng) -> RelayBody {
let mut cell = [0u8; 509];
rng.fill(&mut cell[..]);
cell.into()
}
/// Benchmark the `client_decrypt` function.
pub fn cell_set_digest_benchmark(c: &mut Criterion<CpuTime>) {
let mut group = c.benchmark_group("cell_set_digest");
group.throughput(criterion::Throughput::Bytes(509));
group.bench_function("cell_set_digest_Tor1RelayCrypto", |b| {
b.iter_batched_ref(
|| {
let mut rng = rand::rng();
let cell = create_random_cell(&mut rng);
(cell, Sha1::new(), GenericArray::default())
},
|(cell, d, used_digest)| {
cell.set_digest::<_, RelayCellFormatV0>(d, used_digest);
},
criterion::BatchSize::SmallInput,
);
});
group.bench_function("cell_set_digest_Tor1Hsv3RelayCrypto", |b| {
b.iter_batched_ref(
|| {
let mut rng = rand::rng();
let cell = create_random_cell(&mut rng);
(cell, Sha3_256::new(), GenericArray::default())
},
|(cell, d, used_digest)| {
cell.set_digest::<_, RelayCellFormatV0>(d, used_digest);
},
criterion::BatchSize::SmallInput,
);
});
group.finish();
}
criterion_group!(
name = cell_set_digest;
config = Criterion::default()
.with_measurement(CpuTime)
.sample_size(5000);
targets = cell_set_digest_benchmark);
criterion_main!(cell_set_digest);
|
