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random init for benches

This commit is contained in:
Nikolay Volf 2016-02-25 22:48:34 +03:00
parent e946e2ab18
commit 4b0ec64299
1 changed files with 4 additions and 3 deletions
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7
util/benches/bigint.rs
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@ -25,6 +25,7 @@
extern crate test;
extern crate ethcore_util;
extern crate rand;
use test::{Bencher, black_box};
use ethcore_util::uint::*;
@ -33,7 +34,7 @@ use ethcore_util::uint::*;
fn u256_add(b: &mut Bencher) {
b.iter(|| {
let n = black_box(10000);
(0..n).fold(U256([12345u64, 0u64, 0u64, 0u64]), |old, new| { old.overflowing_add(U256::from(new)).0 })
(0..n).fold(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]), |old, new| { old.overflowing_add(U256::from(new)).0 })
});
}
@ -42,7 +43,7 @@ fn u256_add(b: &mut Bencher) {
fn u256_sub(b: &mut Bencher) {
b.iter(|| {
let n = black_box(10000);
(0..n).fold(U256([::std::u64::MAX, 0u64, 0u64, 0u64]), |old, new| { old.overflowing_sub(U256::from(new)).0 })
(0..n).fold(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]), |old, new| { old.overflowing_sub(U256::from(new)).0 })
});
}
@ -50,7 +51,7 @@ fn u256_sub(b: &mut Bencher) {
fn u256_mul(b: &mut Bencher) {
b.iter(|| {
let n = black_box(10000);
(0..n).fold(U256([12345u64, 0u64, 0u64, 0u64]), |old, new| { old.overflowing_mul(U256::from(new)).0 })
(0..n).fold(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]), |old, new| { old.overflowing_mul(U256::from(new)).0 })
});
}