Vendor things

third-party/vendor/winnow/examples/ini/bench.rs

@@ -0,0 +1,61 @@
+use winnow::combinator::repeat;
+use winnow::prelude::*;
+
+mod parser;
+mod parser_str;
+
+fn bench_ini(c: &mut criterion::Criterion) {
+    let str = "[owner]
+name=John Doe
+organization=Acme Widgets Inc.
+
+[database]
+server=192.0.2.62
+port=143
+file=payroll.dat
+\0";
+
+    let mut group = c.benchmark_group("ini");
+    group.throughput(criterion::Throughput::Bytes(str.len() as u64));
+    group.bench_function(criterion::BenchmarkId::new("bytes", str.len()), |b| {
+        b.iter(|| parser::categories.parse_peek(str.as_bytes()).unwrap());
+    });
+    group.bench_function(criterion::BenchmarkId::new("str", str.len()), |b| {
+        b.iter(|| parser_str::categories.parse_peek(str).unwrap())
+    });
+}
+
+fn bench_ini_keys_and_values(c: &mut criterion::Criterion) {
+    let str = "server=192.0.2.62
+port=143
+file=payroll.dat
+\0";
+
+    fn acc<'s>(i: &mut parser::Stream<'s>) -> PResult<Vec<(&'s str, &'s str)>> {
+        repeat(0.., parser::key_value).parse_next(i)
+    }
+
+    let mut group = c.benchmark_group("ini keys and values");
+    group.throughput(criterion::Throughput::Bytes(str.len() as u64));
+    group.bench_function(criterion::BenchmarkId::new("bytes", str.len()), |b| {
+        b.iter(|| acc.parse_peek(str.as_bytes()).unwrap());
+    });
+}
+
+fn bench_ini_key_value(c: &mut criterion::Criterion) {
+    let str = "server=192.0.2.62\n";
+
+    let mut group = c.benchmark_group("ini key value");
+    group.throughput(criterion::Throughput::Bytes(str.len() as u64));
+    group.bench_function(criterion::BenchmarkId::new("bytes", str.len()), |b| {
+        b.iter(|| parser::key_value.parse_peek(str.as_bytes()).unwrap());
+    });
+}
+
+criterion::criterion_group!(
+    benches,
+    bench_ini,
+    bench_ini_keys_and_values,
+    bench_ini_key_value
+);
+criterion::criterion_main!(benches);