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John Doty 2024-03-08 11:03:01 -08:00
parent 5deceec006
commit 977e3c17e5
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114
third-party/vendor/winnow/benches/contains_token.rs vendored Normal file
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use criterion::black_box;
use winnow::combinator::alt;
use winnow::combinator::repeat;
use winnow::prelude::*;
use winnow::token::take_till;
use winnow::token::take_while;
fn contains_token(c: &mut criterion::Criterion) {
let data = [
("contiguous", CONTIGUOUS),
("interleaved", INTERLEAVED),
("canada", CANADA),
];
let mut group = c.benchmark_group("contains_token");
for (name, sample) in data {
let len = sample.len();
group.throughput(criterion::Throughput::Bytes(len as u64));
group.bench_with_input(criterion::BenchmarkId::new("slice", name), &len, |b, _| {
b.iter(|| black_box(parser_slice.parse_peek(black_box(sample)).unwrap()));
});
group.bench_with_input(criterion::BenchmarkId::new("array", name), &len, |b, _| {
b.iter(|| black_box(parser_array.parse_peek(black_box(sample)).unwrap()));
});
group.bench_with_input(criterion::BenchmarkId::new("tuple", name), &len, |b, _| {
b.iter(|| black_box(parser_tuple.parse_peek(black_box(sample)).unwrap()));
});
group.bench_with_input(
criterion::BenchmarkId::new("closure-or", name),
&len,
|b, _| {
b.iter(|| black_box(parser_closure_or.parse_peek(black_box(sample)).unwrap()));
},
);
group.bench_with_input(
criterion::BenchmarkId::new("closure-matches", name),
&len,
|b, _| {
b.iter(|| {
black_box(
parser_closure_matches
.parse_peek(black_box(sample))
.unwrap(),
)
});
},
);
}
group.finish();
}
fn parser_slice(input: &mut &str) -> PResult<usize> {
let contains = &['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'][..];
repeat(
0..,
alt((take_while(1.., contains), take_till(1.., contains))),
)
.parse_next(input)
}
fn parser_array(input: &mut &str) -> PResult<usize> {
let contains = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'];
repeat(
0..,
alt((take_while(1.., contains), take_till(1.., contains))),
)
.parse_next(input)
}
fn parser_tuple(input: &mut &str) -> PResult<usize> {
let contains = ('0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
repeat(
0..,
alt((take_while(1.., contains), take_till(1.., contains))),
)
.parse_next(input)
}
fn parser_closure_or(input: &mut &str) -> PResult<usize> {
let contains = |c: char| {
c == '0'
|| c == '1'
|| c == '2'
|| c == '3'
|| c == '4'
|| c == '5'
|| c == '6'
|| c == '7'
|| c == '8'
|| c == '9'
};
repeat(
0..,
alt((take_while(1.., contains), take_till(1.., contains))),
)
.parse_next(input)
}
fn parser_closure_matches(input: &mut &str) -> PResult<usize> {
let contains = |c: char| matches!(c, '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9');
repeat(
0..,
alt((take_while(1.., contains), take_till(1.., contains))),
)
.parse_next(input)
}
const CONTIGUOUS: &str = "012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789";
const INTERLEAVED: &str = "0123456789abc0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab0123456789ab";
const CANADA: &str = include_str!("../third_party/nativejson-benchmark/data/canada.json");
criterion::criterion_group!(benches, contains_token);
criterion::criterion_main!(benches);