grassrootseconomics/openethereum
8
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

u256*u256->u512

Browse Source
This commit is contained in:
Nikolay Volf
2016-02-29 18:57:46 +03:00
parent 06623333d9
commit 1a4e95a9dc
2 changed files with 270 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
util/benches/bigint.rs
View File

@@ -74,6 +74,19 @@ fn u256_mul(b: &mut Bencher) {
}
#[bench]
fn u256_full_mul(b: &mut Bencher) {
b.iter(|| {
let n = black_box(10000);
(0..n).fold(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]),
|old, new| {
let U512(ref u512words) = old.full_mul(U256([rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>(), rand::random::<u64>()]));
U256([u512words[0], u512words[2], u512words[2], u512words[3]])
})
});
}
#[bench]
fn u128_mul(b: &mut Bencher) {
b.iter(|| {