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use criterion::{black_box, criterion_group, criterion_main, Criterion};
use rand::Rng;
use multibase::{decode, encode, Base};
fn bench_encode(c: &mut Criterion) {
let mut rng = rand::thread_rng();
let data: Vec<u8> = (0..1024).map(|_| rng.gen()).collect();
let mut group = c.benchmark_group("encode");
group.bench_function("base32", |b| {
b.iter(|| {
let _ = black_box(encode(Base::Base32Upper, &data));
})
});
group.bench_function("base58btc", |b| {
b.iter(|| {
let _ = black_box(encode(Base::Base58Btc, &data));
})
});
group.bench_function("base64", |b| {
b.iter(|| {
let _ = black_box(encode(Base::Base64, &data));
})
});
group.finish();
}
fn bench_decode(c: &mut Criterion) {
let mut rng = rand::thread_rng();
let data: Vec<usize> = (0..1024).map(|_| rng.gen()).collect();
let base32 = b"ABCDEFGHIJKLMNOPQRSTUVWXYZ234567";
let base58 = b"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";
let base64 = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
let mut base32_data = data
.iter()
.map(|i| base32[i % 31] as char)
.collect::<String>();
base32_data.insert(0, Base::Base32Upper.code());
let mut base58_data = data
.iter()
.map(|i| base58[i % 57] as char)
.collect::<String>();
base58_data.insert(0, Base::Base58Btc.code());
let mut base64_data = data
.iter()
.map(|i| base64[i % 64] as char)
.collect::<String>();
base64_data.insert(0, Base::Base64.code());
let mut group = c.benchmark_group("decode");
group.bench_function("base32", |b| {
b.iter(|| {
let _ = black_box(decode(&base32_data).unwrap());
})
});
group.bench_function("base58btc", |b| {
b.iter(|| {
let _ = black_box(decode(&base58_data).unwrap());
})
});
group.bench_function("base64", |b| {
b.iter(|| {
let _ = black_box(decode(&base64_data).unwrap());
})
});
group.finish();
}
criterion_group!(benches, bench_encode, bench_decode);
criterion_main!(benches);
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