43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
#![cfg_attr(feature = "cargo-clippy", allow(float_cmp, map_clone))]
|
|
|
|
#[macro_use] extern crate bencher;
|
|
extern crate rand;
|
|
|
|
extern crate average;
|
|
extern crate stats;
|
|
|
|
use bencher::Bencher;
|
|
|
|
/// Create a random vector by sampling from a normal distribution.
|
|
fn initialize_vec() -> Vec<f64> {
|
|
use rand::distributions::{Normal, IndependentSample};
|
|
use rand::{XorShiftRng, SeedableRng};
|
|
let normal = Normal::new(2.0, 3.0);
|
|
let n = 1_000_000;
|
|
let mut values = Vec::with_capacity(n);
|
|
let mut rng = XorShiftRng::from_seed([1, 2, 3, 4]);
|
|
for _ in 0..n {
|
|
values.push(normal.ind_sample(&mut rng));
|
|
}
|
|
values
|
|
}
|
|
|
|
fn bench_average(b: &mut Bencher) {
|
|
let values = initialize_vec();
|
|
b.iter(|| {
|
|
let m: average::MeanWithError = values.iter().map(|x| *x).collect();
|
|
m
|
|
});
|
|
}
|
|
|
|
fn bench_stats(b: &mut Bencher) {
|
|
let values = initialize_vec();
|
|
b.iter(|| {
|
|
let m: stats::OnlineStats = values.iter().map(|x| *x).collect();
|
|
m
|
|
});
|
|
}
|
|
|
|
benchmark_group!(benches, bench_average, bench_stats);
|
|
benchmark_main!(benches);
|