fparkan/vendor/rdrand/benches/rdrand.rs
Valentin Popov 1b6a04ca55
Initial vendor packages
Signed-off-by: Valentin Popov <valentin@popov.link>
2024-01-08 01:21:28 +04:00

50 lines
926 B
Rust

#![feature(test)]
extern crate rand_core;
extern crate rdrand;
extern crate test;
use rand_core::RngCore;
use test::Bencher;
#[bench]
fn bench_u16(b : &mut Bencher) {
if let Ok(gen) = rdrand::RdRand::new() {
b.bytes = 2;
b.iter(|| {
gen.try_next_u16().unwrap()
});
}
}
#[bench]
fn bench_u32(b : &mut Bencher) {
if let Ok(mut gen) = rdrand::RdRand::new() {
b.bytes = 4;
b.iter(|| {
gen.next_u32()
});
}
}
#[bench]
fn bench_u64(b : &mut Bencher) {
if let Ok(mut gen) = rdrand::RdRand::new() {
b.bytes = 8;
b.iter(|| {
gen.next_u64()
});
}
}
#[bench]
fn bench_fill(b : &mut Bencher) {
if let Ok(mut gen) = rdrand::RdRand::new() {
let mut buffer = [0; 128];
b.bytes = 128;
b.iter(|| {
gen.fill_bytes(&mut buffer);
buffer
});
}
}