nalgebra/benches/linalg/hessenberg.rs

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use na::{DMatrix, Hessenberg, Matrix4};
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#[path = "../common/macros.rs"]
mod macros;
// Without unpack.
fn hessenberg_decompose_4x4(bh: &mut criterion::Criterion) {
let m = Matrix4::<f64>::new_random();
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bh.bench_function("hessenberg_decompose_4x4", move |bh| {
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bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
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});
}
fn hessenberg_decompose_100x100(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(100, 100);
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bh.bench_function("hessenberg_decompose_100x100", move |bh| {
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bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
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});
}
fn hessenberg_decompose_200x200(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(200, 200);
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bh.bench_function("hessenberg_decompose_200x200", move |bh| {
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bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
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});
}
fn hessenberg_decompose_500x500(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(500, 500);
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bh.bench_function("hessenberg_decompose_500x500", move |bh| {
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bh.iter(|| std::hint::black_box(Hessenberg::new(m.clone())))
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});
}
// With unpack.
fn hessenberg_decompose_unpack_100x100(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(100, 100);
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bh.bench_function("hessenberg_decompose_unpack_100x100", move |bh| {
bh.iter(|| {
let hess = Hessenberg::new(m.clone());
let _ = hess.unpack();
})
});
}
fn hessenberg_decompose_unpack_200x200(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(200, 200);
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bh.bench_function("hessenberg_decompose_unpack_200x200", move |bh| {
bh.iter(|| {
let hess = Hessenberg::new(m.clone());
let _ = hess.unpack();
})
});
}
fn hessenberg_decompose_unpack_500x500(bh: &mut criterion::Criterion) {
let m = DMatrix::<f64>::new_random(500, 500);
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bh.bench_function("hessenberg_decompose_unpack_500x500", move |bh| {
bh.iter(|| {
let hess = Hessenberg::new(m.clone());
let _ = hess.unpack();
})
});
}
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criterion_group!(
hessenberg,
hessenberg_decompose_4x4,
hessenberg_decompose_100x100,
hessenberg_decompose_200x200,
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// hessenberg_decompose_500x500,
hessenberg_decompose_unpack_100x100,
hessenberg_decompose_unpack_200x200,
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// hessenberg_decompose_unpack_500x500
);