android-abx 0.4.0

Android Binary XML (ABX) parser using winnow
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42

//! `cargo bench --bench encoding`

use android_abx::{AbxParser, events_to_abx};
use criterion::{BenchmarkId, Criterion, Throughput, criterion_group, criterion_main};
use std::hint::black_box;

mod common;
use common::synthetic_events;

const SIZES: [usize; 3] = [100, 1_000, 10_000];

fn bench_events_to_abx(c: &mut Criterion) {
    let mut group = c.benchmark_group("events_to_abx");
    for &n in &SIZES {
        let events = synthetic_events(n);
        let bytes_len = events_to_abx(&events).unwrap().len();
        group.throughput(Throughput::Bytes(bytes_len as u64));

        group.bench_with_input(BenchmarkId::new("AbxWriter", n), &events, |b, events| {
            b.iter(|| black_box(events_to_abx(black_box(events)).unwrap()));
        });
    }
    group.finish();
}

fn bench_encode_real_fixture(c: &mut Criterion) {
    let data = include_bytes!("../tests/fixtures/aosp_verify.abx");
    let events = AbxParser::new(data).unwrap().collect_events().unwrap();
    assert_eq!(events_to_abx(&events).unwrap(), data);

    let mut group = c.benchmark_group("encode_real_fixture");
    group.throughput(Throughput::Bytes(data.len() as u64));

    group.bench_function(BenchmarkId::new("AbxWriter", "aosp_verify"), |b| {
        b.iter(|| black_box(events_to_abx(black_box(&events)).unwrap()));
    });

    group.finish();
}

criterion_group!(benches, bench_events_to_abx, bench_encode_real_fixture);
criterion_main!(benches);