pyo3/pyo3-benches/benches/bench_bigint.rs
2023-08-17 08:15:50 +01:00

84 lines
2.4 KiB
Rust

use criterion::{black_box, criterion_group, criterion_main, Bencher, Criterion};
use pyo3::{types::PyDict, PyAny, Python};
use num_bigint::BigInt;
fn extract_bigint_extract_fail(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let d = PyDict::new(py) as &PyAny;
bench.iter(|| match black_box(d).extract::<BigInt>() {
Ok(v) => panic!("should err {}", v),
Err(e) => black_box(e),
});
});
}
fn extract_bigint_small(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let int = py.eval("-42", None, None).unwrap();
bench.iter(|| {
let v = black_box(int).extract::<BigInt>().unwrap();
black_box(v);
});
});
}
fn extract_bigint_big_negative(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let int = py.eval("-10**300", None, None).unwrap();
bench.iter(|| {
let v = black_box(int).extract::<BigInt>().unwrap();
black_box(v);
});
});
}
fn extract_bigint_big_positive(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let int = py.eval("10**300", None, None).unwrap();
bench.iter(|| {
let v = black_box(int).extract::<BigInt>().unwrap();
black_box(v);
});
});
}
fn extract_bigint_huge_negative(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let int = py.eval("-10**3000", None, None).unwrap();
bench.iter(|| {
let v = black_box(int).extract::<BigInt>().unwrap();
black_box(v);
});
});
}
fn extract_bigint_huge_positive(bench: &mut Bencher<'_>) {
Python::with_gil(|py| {
let int = py.eval("10**3000", None, None).unwrap();
bench.iter(|| {
let v = black_box(int).extract::<BigInt>().unwrap();
black_box(v);
});
});
}
fn criterion_benchmark(c: &mut Criterion) {
c.bench_function("extract_bigint_extract_fail", extract_bigint_extract_fail);
c.bench_function("extract_bigint_small", extract_bigint_small);
c.bench_function("extract_bigint_big_negative", extract_bigint_big_negative);
c.bench_function("extract_bigint_big_positive", extract_bigint_big_positive);
c.bench_function("extract_bigint_huge_negative", extract_bigint_huge_negative);
c.bench_function("extract_bigint_huge_positive", extract_bigint_huge_positive);
}
criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);