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-rw-r--r--benches/number.rs70
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);