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|
use criterion::black_box;
use criterion::criterion_group;
use criterion::criterion_main;
use criterion::Bencher;
use criterion::Criterion;
use criterion::Fun;
use tinystr::{TinyStr16, TinyStr4, TinyStr8};
static STRINGS_4: &[&str] = &[
"US", "GB", "AR", "Hans", "CN", "AT", "PL", "FR", "AT", "Cyrl", "SR", "NO", "FR", "MK", "UK",
];
static STRINGS_8: &[&str] = &[
"Latn", "windows", "AR", "Hans", "macos", "AT", "pl", "FR", "en", "Cyrl", "SR", "NO", "419",
"und", "UK",
];
static STRINGS_16: &[&str] = &[
"Latn",
"windows",
"AR",
"Hans",
"macos",
"AT",
"infiniband",
"FR",
"en",
"Cyrl",
"FromIntegral",
"NO",
"419",
"MacintoshOSX2019",
"UK",
];
macro_rules! bench_block {
($c:expr, $name:expr, $action:ident) => {
let funcs = vec![
Fun::new("String", $action!(String)),
Fun::new("TinyStr4", $action!(TinyStr4)),
Fun::new("TinyStr8", $action!(TinyStr8)),
Fun::new("TinyStr16", $action!(TinyStr16)),
];
$c.bench_functions(&format!("{}/4", $name), funcs, STRINGS_4);
let funcs = vec![
Fun::new("String", $action!(String)),
Fun::new("TinyStr8", $action!(TinyStr8)),
Fun::new("TinyStr16", $action!(TinyStr16)),
];
$c.bench_functions(&format!("{}/8", $name), funcs, STRINGS_8);
let funcs = vec![
Fun::new("String", $action!(String)),
Fun::new("TinyStr16", $action!(TinyStr16)),
];
$c.bench_functions(&format!("{}/16", $name), funcs, STRINGS_16);
};
}
fn construct_from_str(c: &mut Criterion) {
macro_rules! cfs {
($r:ty) => {
|b: &mut Bencher, strings: &&[&str]| {
b.iter(|| {
for s in *strings {
let _: $r = black_box(s.parse().unwrap());
}
})
}
};
};
bench_block!(c, "construct_from_str", cfs);
}
fn construct_from_bytes(c: &mut Criterion) {
macro_rules! cfu {
($r:ty) => {
|b, inputs: &&[&str]| {
let raw: Vec<&[u8]> = inputs.iter().map(|s| s.as_bytes()).collect();
b.iter(move || {
for u in &raw {
let _ = black_box(<$r>::from_bytes(*u).unwrap());
}
})
}
};
};
let funcs = vec![
Fun::new("TinyStr4", cfu!(TinyStr4)),
Fun::new("TinyStr8", cfu!(TinyStr8)),
Fun::new("TinyStr16", cfu!(TinyStr16)),
];
c.bench_functions("construct_from_bytes/4", funcs, STRINGS_4);
let funcs = vec![
Fun::new("TinyStr8", cfu!(TinyStr8)),
Fun::new("TinyStr16", cfu!(TinyStr16)),
];
c.bench_functions("construct_from_bytes/8", funcs, STRINGS_8);
let funcs = vec![Fun::new("TinyStr16", cfu!(TinyStr16))];
c.bench_functions("construct_from_bytes/16", funcs, STRINGS_16);
}
fn construct_unchecked(c: &mut Criterion) {
macro_rules! cu {
($tty:ty, $rty:ty) => {
|b, inputs: &&[&str]| {
let raw: Vec<$rty> = inputs
.iter()
.map(|s| s.parse::<$tty>().unwrap().into())
.collect();
b.iter(move || {
for num in &raw {
let _ = unsafe { <$tty>::new_unchecked(black_box(*num)) };
}
})
}
};
};
let funcs = vec![Fun::new("TinyStr4", cu!(TinyStr4, u32))];
c.bench_functions("construct_unchecked/4", funcs, STRINGS_4);
let funcs = vec![Fun::new("TinyStr8", cu!(TinyStr8, u64))];
c.bench_functions("construct_unchecked/8", funcs, STRINGS_8);
let funcs = vec![Fun::new("TinyStr16", cu!(TinyStr16, u128))];
c.bench_functions("construct_unchecked/16", funcs, STRINGS_16);
}
criterion_group!(
benches,
construct_from_str,
construct_from_bytes,
construct_unchecked,
);
criterion_main!(benches);
|
