benches/lzw_encode.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

use criterion::{black_box, criterion_group, criterion_main, Criterion};
use gifed::LZW;
use rand::{thread_rng, Rng};
use weezl::{encode::Encoder, BitOrder};

pub fn criterion_benchmark(c: &mut Criterion) {
    let mut random = [0u8; 2048];
    thread_rng().fill(&mut random[..]);

    c.bench_function("lzw encode 255bytes", |b| {
        b.iter(|| LZW::encode(8, black_box(&random)))
    });
    c.bench_function("weezl encode 255bytes", |b| {
        b.iter(|| {
            Encoder::new(BitOrder::Msb, 8)
                .encode(black_box(&random))
                .unwrap()
        })
    });
}

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