50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
// Copyright 2023 Brian Smith.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#![allow(missing_docs)]
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use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
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use ring::digest;
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static ALGORITHMS: &[(&str, &digest::Algorithm)] = &[
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("sha256", &digest::SHA256),
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("sha384", &digest::SHA384),
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("sha512", &digest::SHA512),
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];
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const INPUT_LENGTHS: &[usize] = &[
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// Benchmark that emphasizes overhead.
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0,
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];
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fn oneshot(c: &mut Criterion) {
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for &(alg_name, algorithm) in ALGORITHMS {
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for input_len in INPUT_LENGTHS {
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c.bench_with_input(
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BenchmarkId::new(format!("digest::oneshot::{alg_name}"), 0),
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input_len,
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|b, &input_len| {
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let input = vec![0u8; input_len];
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b.iter(|| -> usize {
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let digest = digest::digest(algorithm, &input);
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black_box(digest.as_ref().len())
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})
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},
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);
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}
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}
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}
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criterion_group!(digest, oneshot);
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criterion_main!(digest);
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