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