gitoid 0.9.0

Git Object Identifiers in Rust
Documentation 
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//! Benchmarks comparing cryptography backends.

use criterion::{black_box, criterion_group, criterion_main, Criterion};
use gitoid::{Blob, GitOid};

#[cfg(all(feature = "backend-boringssl"))]
use gitoid::boringssl::{Sha1 as BoringSha1, Sha256 as BoringSha256};

#[cfg(all(feature = "backend-openssl"))]
use gitoid::openssl::{Sha1 as OpenSSLSha1, Sha256 as OpenSSLSha256};

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha1"))]
use gitoid::rustcrypto::Sha1 as RustSha1;

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha256"))]
use gitoid::rustcrypto::Sha256 as RustSha256;

#[cfg(not(any(
    feature = "backend-rustcrypto",
    feature = "backend-boringssl",
    feature = "backend-openssl"
)))]
compile_error!(
    r#"At least one cryptography backend must be active: "#
    r#""backend-rustcrypto", "backend-boringssl", "backend-openssl""#
);

/*===============================================================================================
 * BENCHMARK FUNCTIONS
 *
 * Define the benchmark functions based on the selected features.
 */

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha1"))]
fn bench_rustcrypto_sha1_small(c: &mut Criterion) {
    let name = "GitOid RustCrypto SHA-1 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<RustSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-boringssl")]
fn bench_boring_sha1_small(c: &mut Criterion) {
    let name = "GitOid BoringSSL SHA-1 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<BoringSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-openssl")]
fn bench_openssl_sha1_small(c: &mut Criterion) {
    let name = "GitOid OpenSSL SHA-1 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<OpenSSLSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha256"))]
fn bench_rustcrypto_sha256_small(c: &mut Criterion) {
    let name = "GitOid RustCrypto SHA-256 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<RustSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-boringssl")]
fn bench_boring_sha256_small(c: &mut Criterion) {
    let name = "GitOid BoringSSL SHA-256 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<BoringSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-openssl")]
fn bench_openssl_sha256_small(c: &mut Criterion) {
    let name = "GitOid OpenSSL SHA-256 11B";
    let input = b"hello world";
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<OpenSSLSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha1"))]
fn bench_rustcrypto_sha1_large(c: &mut Criterion) {
    let name = "GitOid RustCrypto SHA-1 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<RustSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-boringssl")]
fn bench_boring_sha1_large(c: &mut Criterion) {
    let name = "GitOid BoringSSL SHA-1 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<BoringSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-openssl")]
fn bench_openssl_sha1_large(c: &mut Criterion) {
    let name = "GitOid OpenSSL SHA-1 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<OpenSSLSha1, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(all(feature = "backend-rustcrypto", feature = "hash-sha256"))]
fn bench_rustcrypto_sha256_large(c: &mut Criterion) {
    let name = "GitOid RustCrypto SHA-256 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<RustSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-boringssl")]
fn bench_boring_sha256_large(c: &mut Criterion) {
    let name = "GitOid BoringSSL SHA-256 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<BoringSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

#[cfg(feature = "backend-openssl")]
fn bench_openssl_sha256_large(c: &mut Criterion) {
    let name = "GitOid OpenSSL SHA-256 100MB";
    let input = &[0; 1024 * 1024 * 100]; // 100 MB
    c.bench_function(name, |b| {
        b.iter(|| {
            let _ = GitOid::<OpenSSLSha256, Blob>::id_bytes(black_box(input));
        })
    });
}

/*===============================================================================================
 * BENCHMARK GROUPS
 *
 * Define the benchmark groups based on the selected features.
 */

#[cfg(all(
    feature = "backend-rustcrypto",
    feature = "hash-sha1",
    feature = "hash-sha256"
))]
criterion_group!(
    name = rustcrypto_benches;
    config = Criterion::default();
    targets = bench_rustcrypto_sha1_small,
    bench_rustcrypto_sha256_small,
    bench_rustcrypto_sha1_large,
    bench_rustcrypto_sha256_large
);

#[cfg(all(
    feature = "backend-rustcrypto",
    not(feature = "hash-sha1"),
    feature = "hash-sha256"
))]
criterion_group!(
    name = rustcrypto_benches;
    config = Criterion::default();
    targets = bench_rustcrypto_sha256_small,
    bench_rustcrypto_sha256_large
);

#[cfg(feature = "backend-boringssl")]
criterion_group!(
    name = boringssl_benches;
    config = Criterion::default();
    targets = bench_boring_sha1_small,
    bench_boring_sha256_small,
    bench_boring_sha1_large,
    bench_boring_sha256_large
);

#[cfg(feature = "backend-openssl")]
criterion_group!(
    name = openssl_benches;
    config = Criterion::default();
    targets = bench_openssl_sha1_small,
    bench_openssl_sha256_small,
    bench_openssl_sha1_large,
    bench_openssl_sha256_large
);

/*===============================================================================================
 * MAIN FUNCTION
 *
 * Use conditional compilation to select the main function, incorporating the defined benchmark
 * groups based on the selected features.
 */

#[cfg(all(
    feature = "backend-rustcrypto",
    feature = "backend-boringssl",
    feature = "backend-openssl"
))]
criterion_main!(rustcrypto_benches, boringssl_benches, openssl_benches);

#[cfg(all(
    feature = "backend-rustcrypto",
    feature = "backend-boringssl",
    not(feature = "backend-openssl")
))]
criterion_main!(rustcrypto_benches, boringssl_benches);

#[cfg(all(
    not(feature = "backend-rustcrypto"),
    feature = "backend-boringssl",
    feature = "backend-openssl"
))]
criterion_main!(boringssl_benches, openssl_benches());

#[cfg(all(
    feature = "backend-rustcrypto",
    not(feature = "backend-boringssl"),
    feature = "backend-openssl"
))]
criterion_main!(rustcrypto_benches, openssl_benches);

#[cfg(all(
    feature = "backend-rustcrypto",
    not(feature = "backend-boringssl"),
    not(feature = "backend-openssl"),
))]
criterion_main!(rustcrypto_benches);

#[cfg(all(
    not(feature = "backend-rustcrypto"),
    feature = "backend-boringssl",
    not(feature = "backend-openssl")
))]
criterion_main!(boringssl_benches);

#[cfg(all(
    not(feature = "backend-rustcrypto"),
    not(feature = "backend-boringssl"),
    feature = "backend-openssl"
))]
criterion_main!(openssl_benches);