fparkan/vendor/rand/benches/bench.rs

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#![feature(test)]
extern crate test;
extern crate rand;
const RAND_BENCH_N: u64 = 1000;
mod distributions;
use std::mem::size_of;
use test::{black_box, Bencher};
use rand::{StdRng, Rng};
#[bench]
fn rand_f32(b: &mut Bencher) {
let mut rng = StdRng::new().unwrap();
b.iter(|| {
for _ in 0..RAND_BENCH_N {
black_box(rng.next_f32());
}
});
b.bytes = size_of::<f32>() as u64 * RAND_BENCH_N;
}
#[bench]
fn rand_f64(b: &mut Bencher) {
let mut rng = StdRng::new().unwrap();
b.iter(|| {
for _ in 0..RAND_BENCH_N {
black_box(rng.next_f64());
}
});
b.bytes = size_of::<f64>() as u64 * RAND_BENCH_N;
}