From 1e827d6b8a030eea2bdd49c950fdea4e8b1b4e88 Mon Sep 17 00:00:00 2001
From: cscherr <Christoph.Scherr@newtec.de>
Date: Tue, 22 Jul 2025 11:12:56 +0200
Subject: [PATCH] feat(alg): host benches for hash

---
 crates/algorithms/benches/crc32bench.rs     | 14 +++++++++---
 crates/algorithms/benches/crc32bench_iai.rs | 25 ++++++++++++++++-----
 crates/algorithms/src/hash/mod.rs           |  2 ++
 3 files changed, 32 insertions(+), 9 deletions(-)

diff --git a/crates/algorithms/benches/crc32bench.rs b/crates/algorithms/benches/crc32bench.rs
index de7338e..73adc43 100755
--- a/crates/algorithms/benches/crc32bench.rs
+++ b/crates/algorithms/benches/crc32bench.rs
@@ -1,12 +1,20 @@
-use algorithms::crc::{CHECK_DATA, Crc, Crc32, ffi};
+use algorithms::crc::{self, Crc};
+use algorithms::hash;
 use criterion::{Criterion, black_box, criterion_group, criterion_main};
 
 pub fn criterion_benchmark(c: &mut Criterion) {
     c.bench_function("crc32", |b| {
-        b.iter(|| Crc32::checksum(black_box(&CHECK_DATA)))
+        b.iter(|| crc::Crc32::checksum(black_box(&crc::CHECK_DATA)))
     });
     c.bench_function("ffi::crc32", |b| {
-        b.iter(|| ffi::Crc32::checksum(black_box(&CHECK_DATA)))
+        b.iter(|| crc::ffi::Crc32::checksum(black_box(&crc::CHECK_DATA)))
+    });
+
+    c.bench_function("sha2_256", |b| {
+        b.iter(|| hash::sha2_256_oneshot(black_box(hash::HASH_EXAMPLE_DATA)))
+    });
+    c.bench_function("ffi::sha2_256", |b| {
+        b.iter(|| hash::ffi::sha2_256_oneshot(black_box(hash::HASH_EXAMPLE_DATA)))
     });
 }
 
diff --git a/crates/algorithms/benches/crc32bench_iai.rs b/crates/algorithms/benches/crc32bench_iai.rs
index 56c6bc3..5c3af16 100755
--- a/crates/algorithms/benches/crc32bench_iai.rs
+++ b/crates/algorithms/benches/crc32bench_iai.rs
@@ -1,11 +1,24 @@
-use algorithms::crc::{CHECK_DATA, Crc, Crc32, ffi};
+use algorithms::crc::{self, Crc};
+use algorithms::hash;
 use iai::black_box;
 
-fn iai_benchmark_native() -> <Crc32 as Crc>::Checksum {
-    Crc32::checksum(black_box(&CHECK_DATA))
+fn crc_benchmark_native() -> <crc::Crc32 as Crc>::Checksum {
+    crc::Crc32::checksum(black_box(&crc::CHECK_DATA))
 }
-fn iai_benchmark_ffi() -> <Crc32 as Crc>::Checksum {
-    ffi::Crc32::checksum(black_box(&CHECK_DATA))
+fn crc_benchmark_ffi() -> <crc::ffi::Crc32 as Crc>::Checksum {
+    crc::ffi::Crc32::checksum(black_box(&crc::CHECK_DATA))
 }
 
-iai::main!(iai_benchmark_native, iai_benchmark_ffi);
+fn hash_benchmark_native() -> hash::Digest256 {
+    hash::sha2_256_oneshot(hash::HASH_EXAMPLE_DATA).unwrap()
+}
+fn hash_benchmark_ffi() -> hash::Digest256 {
+    hash::ffi::sha2_256_oneshot(hash::HASH_EXAMPLE_DATA).unwrap()
+}
+
+iai::main!(
+    crc_benchmark_native,
+    crc_benchmark_ffi,
+    hash_benchmark_native,
+    hash_benchmark_ffi
+);
diff --git a/crates/algorithms/src/hash/mod.rs b/crates/algorithms/src/hash/mod.rs
index 2647f85..349a7bb 100644
--- a/crates/algorithms/src/hash/mod.rs
+++ b/crates/algorithms/src/hash/mod.rs
@@ -2,3 +2,5 @@ pub mod ffi;
 
 mod sha2;
 pub use sha2::*;
+
+pub const HASH_EXAMPLE_DATA: &[u8] = b"lalilolela";