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bench: add benchmark for printing a civil datetime

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Andrew Gallant 2024-07-23 13:56:10 -04:00
parent 08dfdde204
commit a083a2700a
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1 changed files with 21 additions and 0 deletions
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bench/src/bench.rs
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@ -423,6 +423,26 @@ fn parse_civil_datetime(c: &mut Criterion) {
});
}
/// Benchmarks the amount of time it takes to print a civil datetime.
///
/// This attempts to use the fastest possible API for the corresponding crate.
fn print_civil_datetime(c: &mut Criterion) {
const NAME: &str = "print_civil_datetime";
const EXPECTED: &str = "2024-06-30T09:46:00";
let dt = jiff::civil::date(2024, 6, 30).at(9, 46, 0, 0);
let mut buf = String::new();
c.bench_function(&format!("jiff/{NAME}"), |b| {
b.iter(|| {
static PRINTER: jiff::fmt::temporal::DateTimePrinter =
jiff::fmt::temporal::DateTimePrinter::new();
buf.clear();
PRINTER.print_datetime(bb(&dt), &mut buf).unwrap();
assert_eq!(buf, EXPECTED);
})
});
}
/// Benchmarks the amount of time it takes to parse an RFC 2822 datetime as a
/// timestamp.
fn parse_rfc2822(c: &mut Criterion) {
@ -559,5 +579,6 @@ criterion::criterion_group!(
parse_civil_datetime,
parse_rfc2822,
parse_strptime,
print_civil_datetime,
);
criterion::criterion_main!(benches);