ethash: implement Progpow

ethash/Cargo.toml

@@ -14,7 +14,14 @@ parking_lot = "0.6"
 primal = "0.2.3"
 
 [dev-dependencies]
+criterion = "0.2"
+rustc-hex = "1.0"
+serde_json = "1.0"
 tempdir = "0.3"
 
 [features]
 benches = []
+
+[[bench]]
+name = "ethash"
+harness = false

ethash/benches/ethash.rs

@@ -0,0 +1,87 @@
+#[macro_use]
+extern crate criterion;
+extern crate ethash;
+extern crate rustc_hex;
+extern crate tempdir;
+
+use criterion::Criterion;
+use ethash::progpow;
+
+
+use tempdir::TempDir;
+use rustc_hex::FromHex;
+use ethash::{NodeCacheBuilder, OptimizeFor};
+use ethash::compute::light_compute;
+
+fn bench_hashimoto_light(c: &mut Criterion) {
+	let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
+	let tempdir = TempDir::new("").unwrap();
+	let light = builder.light(&tempdir.path(), 1);
+	let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f").unwrap();
+	let mut hash = [0; 32];
+	hash.copy_from_slice(&h);
+
+    c.bench_function("hashimoto_light", move |b| {
+		b.iter(|| light_compute(&light, &hash, 0))
+	});
+}
+
+fn bench_progpow_light(c: &mut Criterion) {
+	let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
+	let tempdir = TempDir::new("").unwrap();
+	let cache = builder.new_cache(tempdir.into_path(), 0);
+
+	let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f").unwrap();
+	let mut hash = [0; 32];
+	hash.copy_from_slice(&h);
+
+    c.bench_function("progpow_light", move |b| {
+		b.iter(|| {
+			let c_dag = progpow::generate_cdag(cache.as_ref());
+			progpow::progpow(
+				hash,
+				0,
+				0,
+				cache.as_ref(),
+				&c_dag,
+			);
+		})
+	});
+}
+
+fn bench_progpow_optimal_light(c: &mut Criterion) {
+	let builder = NodeCacheBuilder::new(OptimizeFor::Memory);
+	let tempdir = TempDir::new("").unwrap();
+	let cache = builder.new_cache(tempdir.into_path(), 0);
+	let c_dag = progpow::generate_cdag(cache.as_ref());
+
+	let h = FromHex::from_hex("c9149cc0386e689d789a1c2f3d5d169a61a6218ed30e74414dc736e442ef3d1f").unwrap();
+	let mut hash = [0; 32];
+	hash.copy_from_slice(&h);
+
+    c.bench_function("progpow_optimal_light", move |b| {
+		b.iter(|| {
+			progpow::progpow(
+				hash,
+				0,
+				0,
+				cache.as_ref(),
+				&c_dag,
+			);
+		})
+	});
+}
+
+fn bench_keccak_f800_long(c: &mut Criterion) {
+    c.bench_function("keccak_f800_long(0, 0, 0)", |b| {
+		b.iter(|| progpow::keccak_f800_long([0; 32], 0, [0; 8]))
+	});
+}
+
+criterion_group!(benches,
+	bench_hashimoto_light,
+	bench_progpow_light,
+	bench_progpow_optimal_light,
+	bench_keccak_f800_long,
+);
+criterion_main!(benches);