57 lines
1.7 KiB
Rust
57 lines
1.7 KiB
Rust
use criterion::{criterion_group, criterion_main, Criterion};
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use ordinary_diffeq::prelude::*;
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use nalgebra::Vector1;
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fn bench_simple_1d(c: &mut Criterion) {
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type Params = (f64,);
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let params = (0.1,);
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fn derivative(_t: f64, y: Vector1<f64>, p: &Params) -> Vector1<f64> {
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Vector1::new(-p.0 * y[0])
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}
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let y0 = Vector1::new(1.0);
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// Set up the problem (ODE, Integrator, Controller, and Callbacks)
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let ode = ODE::new(&derivative, 0.0, 10.0, y0, params);
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let dp45 = DormandPrince45::new().a_tol(1e-6).r_tol(1e-6);
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let controller = PIController::default();
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c.bench_function("bench_simple_1d", |b| {
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b.iter(|| {
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std::hint::black_box({
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Problem::new(ode, dp45, controller).solve();
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});
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});
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});
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}
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fn bench_interpolation_1d(c: &mut Criterion) {
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type Params = (f64,);
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let params = (0.1,);
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fn derivative(_t: f64, y: Vector1<f64>, p: &Params) -> Vector1<f64> {
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Vector1::new(-p.0 * y[0])
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}
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let y0 = Vector1::new(1.0);
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// Set up the problem (ODE, Integrator, Controller, and Callbacks)
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let ode = ODE::new(&derivative, 0.0, 10.0, y0, params);
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let dp45 = DormandPrince45::new().a_tol(1e-6).r_tol(1e-6);
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let controller = PIController::default();
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c.bench_function("bench_interpolation_1d", |b| {
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b.iter(|| {
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std::hint::black_box({
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let solution = Problem::new(ode, dp45, controller).solve();
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let _ = (0..100).map(|t| solution.interpolate(t as f64 * 0.1)[0]);
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});
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});
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});
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}
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criterion_group!(benches, bench_simple_1d, bench_interpolation_1d,);
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criterion_main!(benches);
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