63 lines
1.4 KiB
Rust
63 lines
1.4 KiB
Rust
#![feature(test)]
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extern crate test;
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extern crate rand;
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use test::{black_box, Bencher};
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use rand::{Rng, weak_rng};
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use rand::seq::*;
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#[bench]
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fn misc_shuffle_100(b: &mut Bencher) {
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let mut rng = weak_rng();
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let x : &mut [usize] = &mut [1; 100];
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b.iter(|| {
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rng.shuffle(x);
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black_box(&x);
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})
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}
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#[bench]
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fn misc_sample_iter_10_of_100(b: &mut Bencher) {
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let mut rng = weak_rng();
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let x : &[usize] = &[1; 100];
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b.iter(|| {
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black_box(sample_iter(&mut rng, x, 10).unwrap_or_else(|e| e));
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})
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}
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#[bench]
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fn misc_sample_slice_10_of_100(b: &mut Bencher) {
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let mut rng = weak_rng();
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let x : &[usize] = &[1; 100];
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b.iter(|| {
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black_box(sample_slice(&mut rng, x, 10));
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})
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}
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#[bench]
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fn misc_sample_slice_ref_10_of_100(b: &mut Bencher) {
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let mut rng = weak_rng();
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let x : &[usize] = &[1; 100];
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b.iter(|| {
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black_box(sample_slice_ref(&mut rng, x, 10));
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})
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}
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macro_rules! sample_indices {
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($name:ident, $amount:expr, $length:expr) => {
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#[bench]
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fn $name(b: &mut Bencher) {
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let mut rng = weak_rng();
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b.iter(|| {
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black_box(sample_indices(&mut rng, $length, $amount));
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})
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}
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}
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}
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sample_indices!(misc_sample_indices_10_of_1k, 10, 1000);
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sample_indices!(misc_sample_indices_50_of_1k, 50, 1000);
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sample_indices!(misc_sample_indices_100_of_1k, 100, 1000);
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