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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
mod fixtures;
use criterion::{
black_box, criterion_group, criterion_main, measurement::WallTime, BenchmarkGroup, Criterion,
};
use fixtures::DateFixture;
use icu_calendar::{AsCalendar, Calendar, DateDuration, DateTime, Time};
fn bench_datetime<A: AsCalendar>(datetime: &mut DateTime<A>) {
// black_box used to avoid compiler optimization.
// Arithmetic.
datetime.date.add(DateDuration::new(
black_box(1),
black_box(2),
black_box(3),
black_box(4),
));
datetime.time = Time::try_new(black_box(14), black_box(30), black_box(0), black_box(0))
.expect("Failed to initialize Time instance.");
// Retrieving vals
let _ = black_box(datetime.date.year().number);
let _ = black_box(datetime.date.month().ordinal);
let _ = black_box(datetime.date.day_of_month().0);
let _ = black_box(datetime.time.hour);
let _ = black_box(datetime.time.minute);
let _ = black_box(datetime.time.second);
// Conversion to ISO.
let _ = black_box(datetime.to_iso());
}
fn bench_calendar<C: Clone + Calendar>(
group: &mut BenchmarkGroup<WallTime>,
name: &str,
fxs: &DateFixture,
calendar: C,
calendar_datetime_init: impl Fn(i32, u8, u8, u8, u8, u8) -> DateTime<C>,
) {
group.bench_function(name, |b| {
b.iter(|| {
for fx in &fxs.0 {
// Instantion from int
let mut instantiated_datetime_calendar = calendar_datetime_init(
fx.year, fx.month, fx.day, fx.hour, fx.minute, fx.second,
);
// Conversion from ISO
let datetime_iso = DateTime::try_new_iso_datetime(
fx.year, fx.month, fx.day, fx.hour, fx.minute, fx.second,
)
.unwrap();
let mut converted_datetime_calendar =
DateTime::new_from_iso(datetime_iso, calendar.clone());
bench_datetime(&mut instantiated_datetime_calendar);
bench_datetime(&mut converted_datetime_calendar);
}
})
});
}
fn datetime_benches(c: &mut Criterion) {
let mut group = c.benchmark_group("datetime");
let fxs = serde_json::from_str::<DateFixture>(include_str!("fixtures/datetimes.json")).unwrap();
bench_calendar(
&mut group,
"calendar/overview",
&fxs,
icu::calendar::iso::Iso,
|y, m, d, h, min, s| DateTime::try_new_iso_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/buddhist",
&fxs,
icu::calendar::buddhist::Buddhist,
|y, m, d, h, min, s| DateTime::try_new_buddhist_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/coptic",
&fxs,
icu::calendar::coptic::Coptic,
|y, m, d, h, min, s| DateTime::try_new_coptic_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/ethiopic",
&fxs,
icu::calendar::ethiopian::Ethiopian::new(),
|y, m, d, h, min, s| {
DateTime::try_new_ethiopian_datetime(
icu::calendar::ethiopian::EthiopianEraStyle::AmeteMihret,
y,
m,
d,
h,
min,
s,
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/chinese_calculating",
&fxs,
icu::calendar::chinese::Chinese::new_always_calculating(),
|y, m, d, h, min, s| {
DateTime::try_new_chinese_datetime_with_calendar(
y,
m,
d,
h,
min,
s,
icu::calendar::chinese::Chinese::new_always_calculating(),
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/chinese_cached",
&fxs,
icu::calendar::chinese::Chinese::new(),
|y, m, d, h, min, s| {
DateTime::try_new_chinese_datetime_with_calendar(
y,
m,
d,
h,
min,
s,
icu::calendar::chinese::Chinese::new(),
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/gregorian",
&fxs,
icu::calendar::gregorian::Gregorian,
|y, m, d, h, min, s| DateTime::try_new_gregorian_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/indian",
&fxs,
icu::calendar::indian::Indian,
|y, m, d, h, min, s| DateTime::try_new_indian_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/julian",
&fxs,
icu::calendar::julian::Julian,
|y, m, d, h, min, s| DateTime::try_new_julian_datetime(y, m, d, h, min, s).unwrap(),
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/islamic/civil",
&fxs,
icu::calendar::islamic::IslamicCivil::new(),
|y, m, d, h, min, s| {
DateTime::try_new_islamic_civil_datetime_with_calendar(
y,
m,
d,
h,
min,
s,
icu::calendar::islamic::IslamicCivil::new(),
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/islamic/tabular",
&fxs,
icu::calendar::islamic::IslamicTabular::new(),
|y, m, d, h, min, s| {
DateTime::try_new_islamic_tabular_datetime_with_calendar(
y,
m,
d,
h,
min,
s,
icu::calendar::islamic::IslamicTabular::new(),
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/islamic/ummalqura",
&fxs,
icu::calendar::islamic::IslamicUmmAlQura::new_always_calculating(),
|y, m, d, h, min, s| {
DateTime::try_new_ummalqura_datetime(
y,
m,
d,
h,
min,
s,
icu::calendar::islamic::IslamicUmmAlQura::new_always_calculating(),
)
.unwrap()
},
);
#[cfg(feature = "bench")]
bench_calendar(
&mut group,
"calendar/islamic/observational",
&fxs,
icu::calendar::islamic::IslamicObservational::new_always_calculating(),
|y, m, d, h, min, s| {
DateTime::try_new_observational_islamic_datetime(
y,
m,
d,
h,
min,
s,
icu::calendar::islamic::IslamicObservational::new_always_calculating(),
)
.unwrap()
},
);
group.finish();
}
criterion_group!(benches, datetime_benches);
criterion_main!(benches);