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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
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
// This file was adapted from https://github.com/zbraniecki/tinystr
mod common;
use common::*;
use criterion::black_box;
use criterion::criterion_group;
use criterion::criterion_main;
use criterion::Bencher;
use criterion::Criterion;
use tinystr::TinyAsciiStr;
fn construct_from_str(c: &mut Criterion) {
macro_rules! cfs {
($r:ty, $inputs:expr) => {
|b: &mut Bencher| {
b.iter(|| {
for s in $inputs {
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, $inputs:expr) => {
|b| {
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 mut group4 = c.benchmark_group("construct_from_bytes/4");
group4.bench_function("TinyAsciiStr<4>", cfu!(TinyAsciiStr<4>, STRINGS_4));
group4.bench_function(
"tinystr_old::TinyStr4",
cfu!(tinystr_old::TinyStr4, STRINGS_4),
);
group4.bench_function("TinyAsciiStr<8>", cfu!(TinyAsciiStr<8>, STRINGS_4));
group4.bench_function(
"tinystr_old::TinyStr8",
cfu!(tinystr_old::TinyStr8, STRINGS_4),
);
group4.bench_function("TinyAsciiStr<16>", cfu!(TinyAsciiStr<16>, STRINGS_4));
group4.bench_function(
"tinystr_old::TinyStr16",
cfu!(tinystr_old::TinyStr16, STRINGS_4),
);
group4.finish();
let mut group8 = c.benchmark_group("construct_from_bytes/8");
group8.bench_function("TinyAsciiStr<8>", cfu!(TinyAsciiStr<8>, STRINGS_8));
group8.bench_function(
"tinystr_old::TinyStr8",
cfu!(tinystr_old::TinyStr8, STRINGS_8),
);
group8.bench_function("TinyAsciiStr<16>", cfu!(TinyAsciiStr<16>, STRINGS_8));
group8.bench_function(
"tinystr_old::TinyStr16",
cfu!(tinystr_old::TinyStr16, STRINGS_8),
);
group8.finish();
let mut group16 = c.benchmark_group("construct_from_bytes/16");
group16.bench_function("TinyAsciiStr<16>", cfu!(TinyAsciiStr<16>, STRINGS_16));
group16.bench_function(
"tinystr_old::TinyStr16",
cfu!(tinystr_old::TinyStr16, STRINGS_16),
);
group16.finish();
}
criterion_group!(benches, construct_from_str, construct_from_bytes,);
criterion_main!(benches);
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