diff options
Diffstat (limited to 'benches/number.rs')
-rw-r--r-- | benches/number.rs | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/benches/number.rs b/benches/number.rs new file mode 100644 index 0000000..d35d65c --- /dev/null +++ b/benches/number.rs @@ -0,0 +1,70 @@ +#[macro_use] +extern crate criterion; + +use criterion::Criterion; + +use winnow::ascii::float; +use winnow::binary::be_u64; +use winnow::error::ErrMode; +use winnow::error::ErrorKind; +use winnow::error::InputError; +use winnow::error::ParserError; +use winnow::prelude::*; +use winnow::stream::ParseSlice; + +type Stream<'i> = &'i [u8]; + +fn parser(i: &mut Stream<'_>) -> PResult<u64> { + be_u64.parse_next(i) +} + +fn number(c: &mut Criterion) { + let data = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]; + + parser + .parse_peek(&data[..]) + .expect("should parse correctly"); + c.bench_function("number", move |b| { + b.iter(|| parser.parse_peek(&data[..]).unwrap()); + }); +} + +fn float_bytes(c: &mut Criterion) { + println!( + "float_bytes result: {:?}", + float::<_, f64, InputError<_>>.parse_peek(&b"-1.234E-12"[..]) + ); + c.bench_function("float bytes", |b| { + b.iter(|| float::<_, f64, InputError<_>>.parse_peek(&b"-1.234E-12"[..])); + }); +} + +fn float_str(c: &mut Criterion) { + println!( + "float_str result: {:?}", + float::<_, f64, InputError<_>>.parse_peek("-1.234E-12") + ); + c.bench_function("float str", |b| { + b.iter(|| float::<_, f64, InputError<_>>.parse_peek("-1.234E-12")); + }); +} + +fn std_float(input: &mut &[u8]) -> PResult<f64> { + match input.parse_slice() { + Some(n) => Ok(n), + None => Err(ErrMode::from_error_kind(input, ErrorKind::Slice)), + } +} + +fn std_float_bytes(c: &mut Criterion) { + println!( + "std_float_bytes result: {:?}", + std_float.parse_peek(&b"-1.234E-12"[..]) + ); + c.bench_function("std_float bytes", |b| { + b.iter(|| std_float.parse_peek(&b"-1.234E-12"[..])); + }); +} + +criterion_group!(benches, number, float_bytes, std_float_bytes, float_str); +criterion_main!(benches); |