Option to disable "Warning: Unable to complete 10 samples in 5.0s. You may wish to increase target time to 89.5s." about criterion.rs

[adsick]

I have the same problem, except it does not complete in reasonable time, the code:

use criterion::{black_box, criterion_group, criterion_main, BenchmarkId, Criterion};
use rand::prelude::*;

pub fn lookup(c: &mut Criterion) {
    let mut group = c.benchmark_group("lookup");

    for size in (0..4*1024*1024).step_by(1024*1024) {
        let mut rng = thread_rng();
        let mut data: Vec<u64> = vec![0; size];
        rng.fill(&mut data[..]);

        let mut keys = data.clone();
        keys.shuffle(&mut rng);

        group.bench_with_input(BenchmarkId::new("linear", size), &size, |b, size| {
            b.iter(|| {
                for key in &keys {
                    black_box(data.contains(key));
                }
            });
        });

        let mut rng = thread_rng();
        let mut data: Vec<u64> = vec![0; size];
        rng.fill(&mut data[..]);

        let mut keys = data.clone();
        keys.shuffle(&mut rng);

        group.bench_with_input(BenchmarkId::new("constant", size), &size, |b, size| {
            b.iter(|| {
                for key in &keys {
                    black_box(data.contains(key));
                }
            });
        });
    }
    group.finish();
}

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

I tried to reduce number of samples and confidence level like this: group.confidence_level(0.6).sample_size(12); but it didn't really help.

[adsick]

Warning: Unable to complete 100 samples in 5.0s. You may wish to increase target time to 15150.2s, or reduce sample count to 10.
Benchmarking lookup/linear/1048576: Collecting 100 samples in estimated  15150 s (100 iterations)