272 lines
7.8 KiB
Rust
272 lines
7.8 KiB
Rust
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use std::hint::black_box;
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use criterion::Bencher;
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use time::ext::{NumericalDuration, NumericalStdDuration};
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use time::macros::time;
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use time::Time;
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setup_benchmark! {
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"Time",
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fn from_hms(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::from_hms(1, 2, 3));
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}
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fn from_hms_milli(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::from_hms_milli(1, 2, 3, 4));
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}
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fn from_hms_micro(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::from_hms_micro(1, 2, 3, 4));
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}
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fn from_hms_nano(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::from_hms_nano(1, 2, 3, 4));
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}
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fn as_hms(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.as_hms());
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}
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fn as_hms_milli(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.as_hms_milli());
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}
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fn as_hms_micro(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.as_hms_micro());
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}
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fn as_hms_nano(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.as_hms_nano());
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}
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fn hour(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.hour());
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}
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fn minute(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.minute());
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}
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fn second(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.second());
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}
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fn millisecond(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.millisecond());
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}
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fn microsecond(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.microsecond());
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}
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fn nanosecond(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT.nanosecond());
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}
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fn add_duration(ben: &mut Bencher<'_>) {
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let a = 1.milliseconds();
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let b = 1.seconds();
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let c = 1.minutes();
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let d = 1.hours();
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let e = 1.days();
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ben.iter(|| Time::MIDNIGHT + a);
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ben.iter(|| Time::MIDNIGHT + b);
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ben.iter(|| Time::MIDNIGHT + c);
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ben.iter(|| Time::MIDNIGHT + d);
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ben.iter(|| Time::MIDNIGHT + e);
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}
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fn add_assign_duration(ben: &mut Bencher<'_>) {
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let a = 1.milliseconds();
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let b = 1.seconds();
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let c = 1.minutes();
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let d = 1.hours();
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let e = 1.days();
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iter_batched_ref!(
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ben,
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|| Time::MIDNIGHT,
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[
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|time| *time += a,
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|time| *time += b,
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|time| *time += c,
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|time| *time += d,
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|time| *time += e,
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]
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);
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}
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fn sub_duration(ben: &mut Bencher<'_>) {
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let a = 1.milliseconds();
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let b = 1.seconds();
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let c = 1.minutes();
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let d = 1.hours();
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let e = 1.days();
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ben.iter(|| Time::MIDNIGHT - a);
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ben.iter(|| Time::MIDNIGHT - b);
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ben.iter(|| Time::MIDNIGHT - c);
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ben.iter(|| Time::MIDNIGHT - d);
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ben.iter(|| Time::MIDNIGHT - e);
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}
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fn sub_assign_duration(ben: &mut Bencher<'_>) {
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let a = 1.milliseconds();
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let b = 1.seconds();
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let c = 1.minutes();
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let d = 1.hours();
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let e = 1.days();
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iter_batched_ref!(
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ben,
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|| Time::MIDNIGHT,
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[
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|time| *time -= a,
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|time| *time -= b,
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|time| *time -= c,
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|time| *time -= d,
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|time| *time -= e,
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]
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);
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}
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fn add_std_duration(ben: &mut Bencher<'_>) {
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let a = 1.std_milliseconds();
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let b = 1.std_seconds();
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let c = 1.std_minutes();
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let d = 1.std_hours();
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let e = 1.std_days();
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ben.iter(|| Time::MIDNIGHT + a);
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ben.iter(|| Time::MIDNIGHT + b);
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ben.iter(|| Time::MIDNIGHT + c);
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ben.iter(|| Time::MIDNIGHT + d);
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ben.iter(|| Time::MIDNIGHT + e);
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}
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fn add_assign_std_duration(ben: &mut Bencher<'_>) {
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let a = 1.std_milliseconds();
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let b = 1.std_seconds();
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let c = 1.std_minutes();
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let d = 1.std_hours();
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let e = 1.std_days();
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iter_batched_ref!(
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ben,
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|| Time::MIDNIGHT,
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[
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|time| *time += a,
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|time| *time += b,
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|time| *time += c,
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|time| *time += d,
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|time| *time += e,
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]
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);
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}
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fn sub_std_duration(ben: &mut Bencher<'_>) {
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let a = 1.std_milliseconds();
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let b = 1.std_seconds();
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let c = 1.std_minutes();
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let d = 1.std_hours();
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let e = 1.std_days();
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ben.iter(|| Time::MIDNIGHT - a);
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ben.iter(|| Time::MIDNIGHT - b);
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ben.iter(|| Time::MIDNIGHT - c);
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ben.iter(|| Time::MIDNIGHT - d);
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ben.iter(|| Time::MIDNIGHT - e);
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}
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fn sub_assign_std_duration(ben: &mut Bencher<'_>) {
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let a = 1.std_milliseconds();
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let b = 1.std_seconds();
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let c = 1.std_minutes();
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let d = 1.std_hours();
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let e = 1.std_days();
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iter_batched_ref!(
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ben,
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|| Time::MIDNIGHT,
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[
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|time| *time -= a,
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|time| *time -= b,
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|time| *time -= c,
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|time| *time -= d,
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|time| *time -= e,
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]
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);
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}
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fn sub_time(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT - time!(0:00:01));
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ben.iter(|| time!(1:00) - Time::MIDNIGHT);
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ben.iter(|| time!(1:00) - time!(0:00:01));
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}
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fn ordering(ben: &mut Bencher<'_>) {
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ben.iter(|| Time::MIDNIGHT < time!(0:00:00.000_000_001));
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ben.iter(|| Time::MIDNIGHT < time!(0:00:01));
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ben.iter(|| time!(12:00) > time!(11:00));
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ben.iter(|| Time::MIDNIGHT == time!(0:00:00.000_000_001));
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}
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fn sort_align_8(ben: &mut Bencher<'_>) {
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ben.iter_batched_ref(
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|| {
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#[repr(C,align(8))]
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struct Padder {
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arr: [Time;4096],
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}
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let mut res = Padder {
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arr: [Time::MIDNIGHT;4096]
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};
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let mut last = Time::MIDNIGHT;
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let mut last_hour = 0;
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for t in &mut res.arr {
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*t = last;
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t.replace_hour(last_hour).expect("failed to replace hour");
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last += 997.std_milliseconds();
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last_hour = (last_hour + 5) % 24;
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}
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res.arr.sort_unstable_by_key(|t|
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(t.nanosecond(),t.second(),t.minute(),t.hour())
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);
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res
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},
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|v| black_box(v).arr.sort_unstable(),
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criterion::BatchSize::SmallInput
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)
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}
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fn sort_align_4(ben: &mut Bencher<'_>) {
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ben.iter_batched_ref(
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|| {
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#[repr(C,align(8))]
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struct Padder {
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pad: u32,
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arr: [Time;4096],
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}
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let mut res = Padder {
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pad: 0,
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arr: [Time::MIDNIGHT;4096]
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};
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let mut last = Time::MIDNIGHT;
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let mut last_hour = 0;
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for t in &mut res.arr {
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*t = last;
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t.replace_hour(last_hour).expect("failed to replace hour");
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last += 997.std_milliseconds();
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last_hour = (last_hour + 5) % 24;
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}
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res.arr.sort_unstable_by_key(|t|
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(t.nanosecond(),t.second(),t.minute(),t.hour())
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);
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res
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},
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|v| black_box(v).arr.sort_unstable(),
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criterion::BatchSize::SmallInput
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)
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}
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fn duration_until(ben: &mut Bencher<'_>) {
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let a = black_box(time!(1:02:03.004_005_006));
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let b = black_box(time!(4:05:06.007_008_009));
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ben.iter(|| black_box(a.duration_until(b)));
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}
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}
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