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#![expect(deprecated)]
use std::time::Instant as StdInstant;
use criterion::Bencher;
use time::ext::NumericalDuration;
use time::{Duration, Instant};
setup_benchmark! {
"Instant",
fn checked_add(ben: &mut Bencher<'_>) {
let instant = Instant::now();
let dt = 5.seconds();
ben.iter(|| instant.checked_add(dt));
}
fn checked_sub(ben: &mut Bencher<'_>) {
let instant = Instant::now();
let dt = 5.seconds();
ben.iter(|| instant.checked_sub(dt));
}
fn sub(ben: &mut Bencher<'_>) {
let start: Instant = Instant::now();
let end: Instant = start + 1.milliseconds();
ben.iter(|| end - start);
}
fn add_duration(ben: &mut Bencher<'_>) {
let start = Instant::now();
let dt: Duration = 1.seconds();
ben.iter(|| start + dt);
}
fn std_add_duration(ben: &mut Bencher<'_>) {
let start = StdInstant::now();
let dt: Duration = 1.milliseconds();
ben.iter(|| start + dt);
}
fn add_assign_duration(ben: &mut Bencher<'_>) {
let dt: Duration = 1.milliseconds();
iter_batched_ref!(
ben,
Instant::now,
[|start| *start += dt]
);
}
fn std_add_assign_duration(ben: &mut Bencher<'_>) {
let dt: Duration = 1.milliseconds();
iter_batched_ref!(
ben,
StdInstant::now,
[|start| *start += dt]
);
}
fn sub_duration(ben: &mut Bencher<'_>) {
let instant = Instant::now();
let dt: Duration = 100.milliseconds();
ben.iter(|| instant - dt);
}
fn std_sub_duration(ben: &mut Bencher<'_>) {
let instant = StdInstant::now();
let dt: Duration = 100.milliseconds();
ben.iter(|| instant - dt);
}
fn sub_assign_duration(ben: &mut Bencher<'_>) {
let dt: Duration = 100.milliseconds();
iter_batched_ref!(
ben,
Instant::now,
[|instant| *instant -= dt]
);
}
fn std_sub_assign_duration(ben: &mut Bencher<'_>) {
let dt: Duration = 100.milliseconds();
iter_batched_ref!(
ben,
StdInstant::now,
[|instant| *instant -= dt]
);
}
}