79 lines
2.1 KiB
Rust
79 lines
2.1 KiB
Rust
use std::hint::black_box;
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use codspeed_criterion_compat::{criterion_group, criterion_main, Bencher, Criterion};
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use pyo3::prelude::*;
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use pyo3::types::{PyList, PySequence};
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fn iter_list(b: &mut Bencher<'_>) {
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Python::with_gil(|py| {
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const LEN: usize = 100_000;
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let list = PyList::new_bound(py, 0..LEN);
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let mut sum = 0;
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b.iter(|| {
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for x in &list {
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let i: u64 = x.extract().unwrap();
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sum += i;
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}
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});
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});
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}
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fn list_new(b: &mut Bencher<'_>) {
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Python::with_gil(|py| {
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const LEN: usize = 50_000;
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b.iter_with_large_drop(|| PyList::new_bound(py, 0..LEN));
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});
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}
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fn list_get_item(b: &mut Bencher<'_>) {
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Python::with_gil(|py| {
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const LEN: usize = 50_000;
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let list = PyList::new_bound(py, 0..LEN);
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let mut sum = 0;
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b.iter(|| {
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for i in 0..LEN {
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sum += list.get_item(i).unwrap().extract::<usize>().unwrap();
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}
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});
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});
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}
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#[cfg(not(Py_LIMITED_API))]
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fn list_get_item_unchecked(b: &mut Bencher<'_>) {
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Python::with_gil(|py| {
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const LEN: usize = 50_000;
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let list = PyList::new_bound(py, 0..LEN);
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let mut sum = 0;
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b.iter(|| {
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for i in 0..LEN {
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unsafe {
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sum += list.get_item_unchecked(i).extract::<usize>().unwrap();
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}
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}
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});
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});
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}
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#[cfg(not(codspeed))]
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fn sequence_from_list(b: &mut Bencher<'_>) {
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Python::with_gil(|py| {
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const LEN: usize = 50_000;
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let list = &PyList::new_bound(py, 0..LEN);
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b.iter(|| black_box(list).downcast::<PySequence>().unwrap());
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});
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}
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fn criterion_benchmark(c: &mut Criterion) {
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c.bench_function("iter_list", iter_list);
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c.bench_function("list_new", list_new);
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c.bench_function("list_get_item", list_get_item);
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#[cfg(not(Py_LIMITED_API))]
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c.bench_function("list_get_item_unchecked", list_get_item_unchecked);
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#[cfg(not(codspeed))]
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c.bench_function("sequence_from_list", sequence_from_list);
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}
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criterion_group!(benches, criterion_benchmark);
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criterion_main!(benches);
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