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path: root/benches/hittebench.rs
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use criterion::{black_box, criterion_group, criterion_main, BatchSize, Criterion};

use hittekaart::{
    gpx,
    renderer::{self, heatmap, marktile, tilehunt, Renderer},
};

static BENCH_DATA: &str = include_str!("bench.gpx");

fn benchmark<R>(c: &mut Criterion, name: &str, renderer: R)
where
    R: Renderer,
    R::Prepared: Clone,
{
    let data = vec![gpx::extract_from_str(BENCH_DATA).unwrap()];

    c.bench_function(&format!("{name}/Renderer::prepare"), |b| {
        b.iter(|| renderer::prepare(&renderer, 19, &data, || Ok(())).unwrap());
    });

    let prepared = renderer::prepare(&renderer, 19, &data, || Ok(())).unwrap();

    c.bench_function(&format!("{name}/Renderer::colorize"), |b| {
        b.iter_batched(
            || prepared.clone(),
            |prepared| {
                renderer::colorize(&renderer, prepared, |tile| {
                    black_box(tile);
                    Ok(())
                })
                .unwrap();
            },
            BatchSize::SmallInput,
        );
    });
}

fn criterion_benchmark(c: &mut Criterion) {
    c.bench_function("extract_from_str", |b| {
        b.iter(|| gpx::extract_from_str(BENCH_DATA).unwrap())
    });

    benchmark(c, "heatmap", heatmap::Renderer);
    benchmark(c, "marktile", marktile::Renderer);
    benchmark(c, "tilehunt", tilehunt::Renderer::new(19));
}

criterion_group!(benches, criterion_benchmark);
criterion_main!(benches);