benchmarks

ethcore/benches/evm.rs

@@ -0,0 +1,57 @@
+// Copyright 2015-2017 Parity Technologies (UK) Ltd.
+// This file is part of Parity.
+
+// Parity is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Parity is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+
+#![feature(test)]
+
+extern crate test;
+extern crate ethcore_util as util;
+extern crate rand;
+extern crate bn;
+
+use self::test::{Bencher};
+use rand::{StdRng};
+
+
+#[bench]
+fn bn_128_pairing(b: &mut Bencher) {
+	use bn::{pairing, G1, G2, Fr, Group};
+
+	let rng = &mut ::rand::thread_rng();
+
+	let sk0 = Fr::random(rng);
+	let sk1 = Fr::random(rng);
+
+	let pk0 = G1::one() * sk0;
+	let pk1 = G2::one() * sk1;
+
+	b.iter(|| {
+		let _ = pairing(pk0, pk1);
+	});
+}
+
+#[bench]
+fn bn_128_mul(b: &mut Bencher) {
+	use bn::{AffineG1, G1, Fr, Group};
+
+	let mut rng = StdRng::new().unwrap();
+	let p: G1 = G1::random(&mut rng);
+	let fr = Fr::random(&mut rng);
+
+	b.iter(|| {
+		let _ = AffineG1::from_jacobian(p * fr);
+	});
+}
+

ethcore/src/builtin.rs

@@ -346,8 +346,7 @@ fn read_point(reader: &mut io::Chain<&[u8], io::Repeat>) -> Result<::bn::G1, Err
 	let px = Fq::from_slice(&buf[0..32]).map_err(|_| Error::from("Invalid point x coordinate"))?;
 
 	reader.read_exact(&mut buf[..]).expect("reading from zero-extended memory cannot fail; qed");
-	let py = Fq::from_slice(&buf[0..32]).map_err(|_| Error::from("Invalid point x coordinate"))?;
-
+	let py = Fq::from_slice(&buf[0..32]).map_err(|_| Error::from("Invalid point y coordinate"))?;
 	Ok(
 		if px == Fq::zero() && py == Fq::zero() {
 			G1::zero()