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use criterion::{black_box, criterion_group, criterion_main, Criterion};
fn bench(c: &mut Criterion) {
use std::sync::atomic::{AtomicUsize, Ordering};
let mut group = c.benchmark_group("comparison");
group.bench_function("relaxed_load", |b| {
let foo = AtomicUsize::new(1);
b.iter(|| black_box(foo.load(Ordering::Relaxed)));
});
group.bench_function("acquire_load", |b| {
let foo = AtomicUsize::new(1);
b.iter(|| black_box(foo.load(Ordering::Acquire)))
});
group.bench_function("log", |b| {
b.iter(|| {
log::log!(log::Level::Info, "log");
})
});
group.finish();
}
criterion_group!(benches, bench);
criterion_main!(benches);